Decompiled source of RiskOfRumble v1.1.0

plugins/System.Numerics.Vectors.dll

Decompiled a year ago
using System;
using System.Diagnostics;
using System.Globalization;
using System.Numerics.Hashing;
using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Permissions;
using System.Text;
using FxResources.System.Numerics.Vectors;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: NeutralResourcesLanguage("en-US")]
[assembly: AssemblyTitle("System.Numerics.Vectors")]
[assembly: AssemblyDescription("System.Numerics.Vectors")]
[assembly: AssemblyDefaultAlias("System.Numerics.Vectors")]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyProduct("Microsoft® .NET Framework")]
[assembly: AssemblyCopyright("© Microsoft Corporation.  All rights reserved.")]
[assembly: AssemblyFileVersion("4.6.26515.06")]
[assembly: AssemblyInformationalVersion("4.6.26515.06 @BuiltBy: dlab-DDVSOWINAGE059 @Branch: release/2.1 @SrcCode: https://github.com/dotnet/corefx/tree/30ab651fcb4354552bd4891619a0bdd81e0ebdbf")]
[assembly: CLSCompliant(true)]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: AssemblyMetadata("PreferInbox", "True")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("4.1.4.0")]
[module: UnverifiableCode]
namespace FxResources.System.Numerics.Vectors
{
	internal static class SR
	{
	}
}
namespace System
{
	internal static class MathF
	{
		public const float PI = 3.1415927f;

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static float Abs(float x)
		{
			return Math.Abs(x);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static float Acos(float x)
		{
			return (float)Math.Acos(x);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static float Cos(float x)
		{
			return (float)Math.Cos(x);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static float IEEERemainder(float x, float y)
		{
			return (float)Math.IEEERemainder(x, y);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static float Pow(float x, float y)
		{
			return (float)Math.Pow(x, y);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static float Sin(float x)
		{
			return (float)Math.Sin(x);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static float Sqrt(float x)
		{
			return (float)Math.Sqrt(x);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static float Tan(float x)
		{
			return (float)Math.Tan(x);
		}
	}
	internal static class SR
	{
		private static ResourceManager s_resourceManager;

		private static ResourceManager ResourceManager => s_resourceManager ?? (s_resourceManager = new ResourceManager(ResourceType));

		internal static Type ResourceType { get; } = typeof(SR);


		internal static string Arg_ArgumentOutOfRangeException => GetResourceString("Arg_ArgumentOutOfRangeException", null);

		internal static string Arg_ElementsInSourceIsGreaterThanDestination => GetResourceString("Arg_ElementsInSourceIsGreaterThanDestination", null);

		internal static string Arg_NullArgumentNullRef => GetResourceString("Arg_NullArgumentNullRef", null);

		internal static string Arg_TypeNotSupported => GetResourceString("Arg_TypeNotSupported", null);

		internal static string Arg_InsufficientNumberOfElements => GetResourceString("Arg_InsufficientNumberOfElements", null);

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static bool UsingResourceKeys()
		{
			return false;
		}

		internal static string GetResourceString(string resourceKey, string defaultString)
		{
			string text = null;
			try
			{
				text = ResourceManager.GetString(resourceKey);
			}
			catch (MissingManifestResourceException)
			{
			}
			if (defaultString != null && resourceKey.Equals(text, StringComparison.Ordinal))
			{
				return defaultString;
			}
			return text;
		}

		internal static string Format(string resourceFormat, params object[] args)
		{
			if (args != null)
			{
				if (UsingResourceKeys())
				{
					return resourceFormat + string.Join(", ", args);
				}
				return string.Format(resourceFormat, args);
			}
			return resourceFormat;
		}

		internal static string Format(string resourceFormat, object p1)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1);
			}
			return string.Format(resourceFormat, p1);
		}

		internal static string Format(string resourceFormat, object p1, object p2)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2);
			}
			return string.Format(resourceFormat, p1, p2);
		}

		internal static string Format(string resourceFormat, object p1, object p2, object p3)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2, p3);
			}
			return string.Format(resourceFormat, p1, p2, p3);
		}
	}
}
namespace System.Runtime.CompilerServices
{
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method | AttributeTargets.Field, Inherited = false)]
	internal sealed class IntrinsicAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.All)]
	internal class __BlockReflectionAttribute : Attribute
	{
	}
}
namespace System.Numerics
{
	internal class ConstantHelper
	{
		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static byte GetByteWithAllBitsSet()
		{
			byte result = 0;
			result = byte.MaxValue;
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static sbyte GetSByteWithAllBitsSet()
		{
			sbyte result = 0;
			result = -1;
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static ushort GetUInt16WithAllBitsSet()
		{
			ushort result = 0;
			result = ushort.MaxValue;
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static short GetInt16WithAllBitsSet()
		{
			short result = 0;
			result = -1;
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static uint GetUInt32WithAllBitsSet()
		{
			uint result = 0u;
			result = uint.MaxValue;
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int GetInt32WithAllBitsSet()
		{
			int result = 0;
			result = -1;
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static ulong GetUInt64WithAllBitsSet()
		{
			ulong result = 0uL;
			result = ulong.MaxValue;
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static long GetInt64WithAllBitsSet()
		{
			long result = 0L;
			result = -1L;
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public unsafe static float GetSingleWithAllBitsSet()
		{
			float result = 0f;
			*(int*)(&result) = -1;
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public unsafe static double GetDoubleWithAllBitsSet()
		{
			double result = 0.0;
			*(long*)(&result) = -1L;
			return result;
		}
	}
	[StructLayout(LayoutKind.Explicit)]
	internal struct Register
	{
		[FieldOffset(0)]
		internal byte byte_0;

		[FieldOffset(1)]
		internal byte byte_1;

		[FieldOffset(2)]
		internal byte byte_2;

		[FieldOffset(3)]
		internal byte byte_3;

		[FieldOffset(4)]
		internal byte byte_4;

		[FieldOffset(5)]
		internal byte byte_5;

		[FieldOffset(6)]
		internal byte byte_6;

		[FieldOffset(7)]
		internal byte byte_7;

		[FieldOffset(8)]
		internal byte byte_8;

		[FieldOffset(9)]
		internal byte byte_9;

		[FieldOffset(10)]
		internal byte byte_10;

		[FieldOffset(11)]
		internal byte byte_11;

		[FieldOffset(12)]
		internal byte byte_12;

		[FieldOffset(13)]
		internal byte byte_13;

		[FieldOffset(14)]
		internal byte byte_14;

		[FieldOffset(15)]
		internal byte byte_15;

		[FieldOffset(0)]
		internal sbyte sbyte_0;

		[FieldOffset(1)]
		internal sbyte sbyte_1;

		[FieldOffset(2)]
		internal sbyte sbyte_2;

		[FieldOffset(3)]
		internal sbyte sbyte_3;

		[FieldOffset(4)]
		internal sbyte sbyte_4;

		[FieldOffset(5)]
		internal sbyte sbyte_5;

		[FieldOffset(6)]
		internal sbyte sbyte_6;

		[FieldOffset(7)]
		internal sbyte sbyte_7;

		[FieldOffset(8)]
		internal sbyte sbyte_8;

		[FieldOffset(9)]
		internal sbyte sbyte_9;

		[FieldOffset(10)]
		internal sbyte sbyte_10;

		[FieldOffset(11)]
		internal sbyte sbyte_11;

		[FieldOffset(12)]
		internal sbyte sbyte_12;

		[FieldOffset(13)]
		internal sbyte sbyte_13;

		[FieldOffset(14)]
		internal sbyte sbyte_14;

		[FieldOffset(15)]
		internal sbyte sbyte_15;

		[FieldOffset(0)]
		internal ushort uint16_0;

		[FieldOffset(2)]
		internal ushort uint16_1;

		[FieldOffset(4)]
		internal ushort uint16_2;

		[FieldOffset(6)]
		internal ushort uint16_3;

		[FieldOffset(8)]
		internal ushort uint16_4;

		[FieldOffset(10)]
		internal ushort uint16_5;

		[FieldOffset(12)]
		internal ushort uint16_6;

		[FieldOffset(14)]
		internal ushort uint16_7;

		[FieldOffset(0)]
		internal short int16_0;

		[FieldOffset(2)]
		internal short int16_1;

		[FieldOffset(4)]
		internal short int16_2;

		[FieldOffset(6)]
		internal short int16_3;

		[FieldOffset(8)]
		internal short int16_4;

		[FieldOffset(10)]
		internal short int16_5;

		[FieldOffset(12)]
		internal short int16_6;

		[FieldOffset(14)]
		internal short int16_7;

		[FieldOffset(0)]
		internal uint uint32_0;

		[FieldOffset(4)]
		internal uint uint32_1;

		[FieldOffset(8)]
		internal uint uint32_2;

		[FieldOffset(12)]
		internal uint uint32_3;

		[FieldOffset(0)]
		internal int int32_0;

		[FieldOffset(4)]
		internal int int32_1;

		[FieldOffset(8)]
		internal int int32_2;

		[FieldOffset(12)]
		internal int int32_3;

		[FieldOffset(0)]
		internal ulong uint64_0;

		[FieldOffset(8)]
		internal ulong uint64_1;

		[FieldOffset(0)]
		internal long int64_0;

		[FieldOffset(8)]
		internal long int64_1;

		[FieldOffset(0)]
		internal float single_0;

		[FieldOffset(4)]
		internal float single_1;

		[FieldOffset(8)]
		internal float single_2;

		[FieldOffset(12)]
		internal float single_3;

		[FieldOffset(0)]
		internal double double_0;

		[FieldOffset(8)]
		internal double double_1;
	}
	[System.Runtime.CompilerServices.Intrinsic]
	public struct Vector<T> : IEquatable<Vector<T>>, IFormattable where T : struct
	{
		private struct VectorSizeHelper
		{
			internal Vector<T> _placeholder;

			internal byte _byte;
		}

		private System.Numerics.Register register;

		private static readonly int s_count = InitializeCount();

		private static readonly Vector<T> s_zero = default(Vector<T>);

		private static readonly Vector<T> s_one = new Vector<T>(GetOneValue());

		private static readonly Vector<T> s_allOnes = new Vector<T>(GetAllBitsSetValue());

		public static int Count
		{
			[System.Runtime.CompilerServices.Intrinsic]
			get
			{
				return s_count;
			}
		}

		public static Vector<T> Zero
		{
			[System.Runtime.CompilerServices.Intrinsic]
			get
			{
				return s_zero;
			}
		}

		public static Vector<T> One
		{
			[System.Runtime.CompilerServices.Intrinsic]
			get
			{
				return s_one;
			}
		}

		internal static Vector<T> AllOnes => s_allOnes;

		public unsafe T this[int index]
		{
			[System.Runtime.CompilerServices.Intrinsic]
			get
			{
				if (index >= Count || index < 0)
				{
					throw new IndexOutOfRangeException(System.SR.Format(System.SR.Arg_ArgumentOutOfRangeException, index));
				}
				if (typeof(T) == typeof(byte))
				{
					fixed (byte* ptr = &register.byte_0)
					{
						return (T)(object)ptr[index];
					}
				}
				if (typeof(T) == typeof(sbyte))
				{
					fixed (sbyte* ptr2 = &register.sbyte_0)
					{
						return (T)(object)ptr2[index];
					}
				}
				if (typeof(T) == typeof(ushort))
				{
					fixed (ushort* ptr3 = &register.uint16_0)
					{
						return (T)(object)ptr3[index];
					}
				}
				if (typeof(T) == typeof(short))
				{
					fixed (short* ptr4 = &register.int16_0)
					{
						return (T)(object)ptr4[index];
					}
				}
				if (typeof(T) == typeof(uint))
				{
					fixed (uint* ptr5 = &register.uint32_0)
					{
						return (T)(object)ptr5[index];
					}
				}
				if (typeof(T) == typeof(int))
				{
					fixed (int* ptr6 = &register.int32_0)
					{
						return (T)(object)ptr6[index];
					}
				}
				if (typeof(T) == typeof(ulong))
				{
					fixed (ulong* ptr7 = &register.uint64_0)
					{
						return (T)(object)ptr7[index];
					}
				}
				if (typeof(T) == typeof(long))
				{
					fixed (long* ptr8 = &register.int64_0)
					{
						return (T)(object)ptr8[index];
					}
				}
				if (typeof(T) == typeof(float))
				{
					fixed (float* ptr9 = &register.single_0)
					{
						return (T)(object)ptr9[index];
					}
				}
				if (typeof(T) == typeof(double))
				{
					fixed (double* ptr10 = &register.double_0)
					{
						return (T)(object)ptr10[index];
					}
				}
				throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
			}
		}

		private unsafe static int InitializeCount()
		{
			VectorSizeHelper vectorSizeHelper = default(VectorSizeHelper);
			byte* ptr = &vectorSizeHelper._placeholder.register.byte_0;
			byte* ptr2 = &vectorSizeHelper._byte;
			int num = (int)(ptr2 - ptr);
			int num2 = -1;
			if (typeof(T) == typeof(byte))
			{
				num2 = 1;
			}
			else if (typeof(T) == typeof(sbyte))
			{
				num2 = 1;
			}
			else if (typeof(T) == typeof(ushort))
			{
				num2 = 2;
			}
			else if (typeof(T) == typeof(short))
			{
				num2 = 2;
			}
			else if (typeof(T) == typeof(uint))
			{
				num2 = 4;
			}
			else if (typeof(T) == typeof(int))
			{
				num2 = 4;
			}
			else if (typeof(T) == typeof(ulong))
			{
				num2 = 8;
			}
			else if (typeof(T) == typeof(long))
			{
				num2 = 8;
			}
			else if (typeof(T) == typeof(float))
			{
				num2 = 4;
			}
			else
			{
				if (!(typeof(T) == typeof(double)))
				{
					throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
				}
				num2 = 8;
			}
			return num / num2;
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public unsafe Vector(T value)
		{
			this = default(Vector<T>);
			if (Vector.IsHardwareAccelerated)
			{
				if (typeof(T) == typeof(byte))
				{
					fixed (byte* ptr = &register.byte_0)
					{
						for (int i = 0; i < Count; i++)
						{
							ptr[i] = (byte)(object)value;
						}
					}
				}
				else if (typeof(T) == typeof(sbyte))
				{
					fixed (sbyte* ptr2 = &register.sbyte_0)
					{
						for (int j = 0; j < Count; j++)
						{
							ptr2[j] = (sbyte)(object)value;
						}
					}
				}
				else if (typeof(T) == typeof(ushort))
				{
					fixed (ushort* ptr3 = &register.uint16_0)
					{
						for (int k = 0; k < Count; k++)
						{
							ptr3[k] = (ushort)(object)value;
						}
					}
				}
				else if (typeof(T) == typeof(short))
				{
					fixed (short* ptr4 = &register.int16_0)
					{
						for (int l = 0; l < Count; l++)
						{
							ptr4[l] = (short)(object)value;
						}
					}
				}
				else if (typeof(T) == typeof(uint))
				{
					fixed (uint* ptr5 = &register.uint32_0)
					{
						for (int m = 0; m < Count; m++)
						{
							ptr5[m] = (uint)(object)value;
						}
					}
				}
				else if (typeof(T) == typeof(int))
				{
					fixed (int* ptr6 = &register.int32_0)
					{
						for (int n = 0; n < Count; n++)
						{
							ptr6[n] = (int)(object)value;
						}
					}
				}
				else if (typeof(T) == typeof(ulong))
				{
					fixed (ulong* ptr7 = &register.uint64_0)
					{
						for (int num = 0; num < Count; num++)
						{
							ptr7[num] = (ulong)(object)value;
						}
					}
				}
				else if (typeof(T) == typeof(long))
				{
					fixed (long* ptr8 = &register.int64_0)
					{
						for (int num2 = 0; num2 < Count; num2++)
						{
							ptr8[num2] = (long)(object)value;
						}
					}
				}
				else if (typeof(T) == typeof(float))
				{
					fixed (float* ptr9 = &register.single_0)
					{
						for (int num3 = 0; num3 < Count; num3++)
						{
							ptr9[num3] = (float)(object)value;
						}
					}
				}
				else
				{
					if (!(typeof(T) == typeof(double)))
					{
						return;
					}
					fixed (double* ptr10 = &register.double_0)
					{
						for (int num4 = 0; num4 < Count; num4++)
						{
							ptr10[num4] = (double)(object)value;
						}
					}
				}
			}
			else if (typeof(T) == typeof(byte))
			{
				register.byte_0 = (byte)(object)value;
				register.byte_1 = (byte)(object)value;
				register.byte_2 = (byte)(object)value;
				register.byte_3 = (byte)(object)value;
				register.byte_4 = (byte)(object)value;
				register.byte_5 = (byte)(object)value;
				register.byte_6 = (byte)(object)value;
				register.byte_7 = (byte)(object)value;
				register.byte_8 = (byte)(object)value;
				register.byte_9 = (byte)(object)value;
				register.byte_10 = (byte)(object)value;
				register.byte_11 = (byte)(object)value;
				register.byte_12 = (byte)(object)value;
				register.byte_13 = (byte)(object)value;
				register.byte_14 = (byte)(object)value;
				register.byte_15 = (byte)(object)value;
			}
			else if (typeof(T) == typeof(sbyte))
			{
				register.sbyte_0 = (sbyte)(object)value;
				register.sbyte_1 = (sbyte)(object)value;
				register.sbyte_2 = (sbyte)(object)value;
				register.sbyte_3 = (sbyte)(object)value;
				register.sbyte_4 = (sbyte)(object)value;
				register.sbyte_5 = (sbyte)(object)value;
				register.sbyte_6 = (sbyte)(object)value;
				register.sbyte_7 = (sbyte)(object)value;
				register.sbyte_8 = (sbyte)(object)value;
				register.sbyte_9 = (sbyte)(object)value;
				register.sbyte_10 = (sbyte)(object)value;
				register.sbyte_11 = (sbyte)(object)value;
				register.sbyte_12 = (sbyte)(object)value;
				register.sbyte_13 = (sbyte)(object)value;
				register.sbyte_14 = (sbyte)(object)value;
				register.sbyte_15 = (sbyte)(object)value;
			}
			else if (typeof(T) == typeof(ushort))
			{
				register.uint16_0 = (ushort)(object)value;
				register.uint16_1 = (ushort)(object)value;
				register.uint16_2 = (ushort)(object)value;
				register.uint16_3 = (ushort)(object)value;
				register.uint16_4 = (ushort)(object)value;
				register.uint16_5 = (ushort)(object)value;
				register.uint16_6 = (ushort)(object)value;
				register.uint16_7 = (ushort)(object)value;
			}
			else if (typeof(T) == typeof(short))
			{
				register.int16_0 = (short)(object)value;
				register.int16_1 = (short)(object)value;
				register.int16_2 = (short)(object)value;
				register.int16_3 = (short)(object)value;
				register.int16_4 = (short)(object)value;
				register.int16_5 = (short)(object)value;
				register.int16_6 = (short)(object)value;
				register.int16_7 = (short)(object)value;
			}
			else if (typeof(T) == typeof(uint))
			{
				register.uint32_0 = (uint)(object)value;
				register.uint32_1 = (uint)(object)value;
				register.uint32_2 = (uint)(object)value;
				register.uint32_3 = (uint)(object)value;
			}
			else if (typeof(T) == typeof(int))
			{
				register.int32_0 = (int)(object)value;
				register.int32_1 = (int)(object)value;
				register.int32_2 = (int)(object)value;
				register.int32_3 = (int)(object)value;
			}
			else if (typeof(T) == typeof(ulong))
			{
				register.uint64_0 = (ulong)(object)value;
				register.uint64_1 = (ulong)(object)value;
			}
			else if (typeof(T) == typeof(long))
			{
				register.int64_0 = (long)(object)value;
				register.int64_1 = (long)(object)value;
			}
			else if (typeof(T) == typeof(float))
			{
				register.single_0 = (float)(object)value;
				register.single_1 = (float)(object)value;
				register.single_2 = (float)(object)value;
				register.single_3 = (float)(object)value;
			}
			else if (typeof(T) == typeof(double))
			{
				register.double_0 = (double)(object)value;
				register.double_1 = (double)(object)value;
			}
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public Vector(T[] values)
			: this(values, 0)
		{
		}

		public unsafe Vector(T[] values, int index)
		{
			this = default(Vector<T>);
			if (values == null)
			{
				throw new NullReferenceException(System.SR.Arg_NullArgumentNullRef);
			}
			if (index < 0 || values.Length - index < Count)
			{
				throw new IndexOutOfRangeException(System.SR.Format(System.SR.Arg_InsufficientNumberOfElements, Count, "values"));
			}
			if (Vector.IsHardwareAccelerated)
			{
				if (typeof(T) == typeof(byte))
				{
					fixed (byte* ptr = &register.byte_0)
					{
						for (int i = 0; i < Count; i++)
						{
							ptr[i] = (byte)(object)values[i + index];
						}
					}
				}
				else if (typeof(T) == typeof(sbyte))
				{
					fixed (sbyte* ptr2 = &register.sbyte_0)
					{
						for (int j = 0; j < Count; j++)
						{
							ptr2[j] = (sbyte)(object)values[j + index];
						}
					}
				}
				else if (typeof(T) == typeof(ushort))
				{
					fixed (ushort* ptr3 = &register.uint16_0)
					{
						for (int k = 0; k < Count; k++)
						{
							ptr3[k] = (ushort)(object)values[k + index];
						}
					}
				}
				else if (typeof(T) == typeof(short))
				{
					fixed (short* ptr4 = &register.int16_0)
					{
						for (int l = 0; l < Count; l++)
						{
							ptr4[l] = (short)(object)values[l + index];
						}
					}
				}
				else if (typeof(T) == typeof(uint))
				{
					fixed (uint* ptr5 = &register.uint32_0)
					{
						for (int m = 0; m < Count; m++)
						{
							ptr5[m] = (uint)(object)values[m + index];
						}
					}
				}
				else if (typeof(T) == typeof(int))
				{
					fixed (int* ptr6 = &register.int32_0)
					{
						for (int n = 0; n < Count; n++)
						{
							ptr6[n] = (int)(object)values[n + index];
						}
					}
				}
				else if (typeof(T) == typeof(ulong))
				{
					fixed (ulong* ptr7 = &register.uint64_0)
					{
						for (int num = 0; num < Count; num++)
						{
							ptr7[num] = (ulong)(object)values[num + index];
						}
					}
				}
				else if (typeof(T) == typeof(long))
				{
					fixed (long* ptr8 = &register.int64_0)
					{
						for (int num2 = 0; num2 < Count; num2++)
						{
							ptr8[num2] = (long)(object)values[num2 + index];
						}
					}
				}
				else if (typeof(T) == typeof(float))
				{
					fixed (float* ptr9 = &register.single_0)
					{
						for (int num3 = 0; num3 < Count; num3++)
						{
							ptr9[num3] = (float)(object)values[num3 + index];
						}
					}
				}
				else
				{
					if (!(typeof(T) == typeof(double)))
					{
						return;
					}
					fixed (double* ptr10 = &register.double_0)
					{
						for (int num4 = 0; num4 < Count; num4++)
						{
							ptr10[num4] = (double)(object)values[num4 + index];
						}
					}
				}
			}
			else if (typeof(T) == typeof(byte))
			{
				fixed (byte* ptr11 = &register.byte_0)
				{
					*ptr11 = (byte)(object)values[index];
					ptr11[1] = (byte)(object)values[1 + index];
					ptr11[2] = (byte)(object)values[2 + index];
					ptr11[3] = (byte)(object)values[3 + index];
					ptr11[4] = (byte)(object)values[4 + index];
					ptr11[5] = (byte)(object)values[5 + index];
					ptr11[6] = (byte)(object)values[6 + index];
					ptr11[7] = (byte)(object)values[7 + index];
					ptr11[8] = (byte)(object)values[8 + index];
					ptr11[9] = (byte)(object)values[9 + index];
					ptr11[10] = (byte)(object)values[10 + index];
					ptr11[11] = (byte)(object)values[11 + index];
					ptr11[12] = (byte)(object)values[12 + index];
					ptr11[13] = (byte)(object)values[13 + index];
					ptr11[14] = (byte)(object)values[14 + index];
					ptr11[15] = (byte)(object)values[15 + index];
				}
			}
			else if (typeof(T) == typeof(sbyte))
			{
				fixed (sbyte* ptr12 = &register.sbyte_0)
				{
					*ptr12 = (sbyte)(object)values[index];
					ptr12[1] = (sbyte)(object)values[1 + index];
					ptr12[2] = (sbyte)(object)values[2 + index];
					ptr12[3] = (sbyte)(object)values[3 + index];
					ptr12[4] = (sbyte)(object)values[4 + index];
					ptr12[5] = (sbyte)(object)values[5 + index];
					ptr12[6] = (sbyte)(object)values[6 + index];
					ptr12[7] = (sbyte)(object)values[7 + index];
					ptr12[8] = (sbyte)(object)values[8 + index];
					ptr12[9] = (sbyte)(object)values[9 + index];
					ptr12[10] = (sbyte)(object)values[10 + index];
					ptr12[11] = (sbyte)(object)values[11 + index];
					ptr12[12] = (sbyte)(object)values[12 + index];
					ptr12[13] = (sbyte)(object)values[13 + index];
					ptr12[14] = (sbyte)(object)values[14 + index];
					ptr12[15] = (sbyte)(object)values[15 + index];
				}
			}
			else if (typeof(T) == typeof(ushort))
			{
				fixed (ushort* ptr13 = &register.uint16_0)
				{
					*ptr13 = (ushort)(object)values[index];
					ptr13[1] = (ushort)(object)values[1 + index];
					ptr13[2] = (ushort)(object)values[2 + index];
					ptr13[3] = (ushort)(object)values[3 + index];
					ptr13[4] = (ushort)(object)values[4 + index];
					ptr13[5] = (ushort)(object)values[5 + index];
					ptr13[6] = (ushort)(object)values[6 + index];
					ptr13[7] = (ushort)(object)values[7 + index];
				}
			}
			else if (typeof(T) == typeof(short))
			{
				fixed (short* ptr14 = &register.int16_0)
				{
					*ptr14 = (short)(object)values[index];
					ptr14[1] = (short)(object)values[1 + index];
					ptr14[2] = (short)(object)values[2 + index];
					ptr14[3] = (short)(object)values[3 + index];
					ptr14[4] = (short)(object)values[4 + index];
					ptr14[5] = (short)(object)values[5 + index];
					ptr14[6] = (short)(object)values[6 + index];
					ptr14[7] = (short)(object)values[7 + index];
				}
			}
			else if (typeof(T) == typeof(uint))
			{
				fixed (uint* ptr15 = &register.uint32_0)
				{
					*ptr15 = (uint)(object)values[index];
					ptr15[1] = (uint)(object)values[1 + index];
					ptr15[2] = (uint)(object)values[2 + index];
					ptr15[3] = (uint)(object)values[3 + index];
				}
			}
			else if (typeof(T) == typeof(int))
			{
				fixed (int* ptr16 = &register.int32_0)
				{
					*ptr16 = (int)(object)values[index];
					ptr16[1] = (int)(object)values[1 + index];
					ptr16[2] = (int)(object)values[2 + index];
					ptr16[3] = (int)(object)values[3 + index];
				}
			}
			else if (typeof(T) == typeof(ulong))
			{
				fixed (ulong* ptr17 = &register.uint64_0)
				{
					*ptr17 = (ulong)(object)values[index];
					ptr17[1] = (ulong)(object)values[1 + index];
				}
			}
			else if (typeof(T) == typeof(long))
			{
				fixed (long* ptr18 = &register.int64_0)
				{
					*ptr18 = (long)(object)values[index];
					ptr18[1] = (long)(object)values[1 + index];
				}
			}
			else if (typeof(T) == typeof(float))
			{
				fixed (float* ptr19 = &register.single_0)
				{
					*ptr19 = (float)(object)values[index];
					ptr19[1] = (float)(object)values[1 + index];
					ptr19[2] = (float)(object)values[2 + index];
					ptr19[3] = (float)(object)values[3 + index];
				}
			}
			else if (typeof(T) == typeof(double))
			{
				fixed (double* ptr20 = &register.double_0)
				{
					*ptr20 = (double)(object)values[index];
					ptr20[1] = (double)(object)values[1 + index];
				}
			}
		}

		internal unsafe Vector(void* dataPointer)
			: this(dataPointer, 0)
		{
		}

		internal unsafe Vector(void* dataPointer, int offset)
		{
			this = default(Vector<T>);
			if (typeof(T) == typeof(byte))
			{
				byte* ptr = (byte*)dataPointer;
				ptr += offset;
				fixed (byte* ptr2 = &register.byte_0)
				{
					for (int i = 0; i < Count; i++)
					{
						ptr2[i] = ptr[i];
					}
				}
				return;
			}
			if (typeof(T) == typeof(sbyte))
			{
				sbyte* ptr3 = (sbyte*)dataPointer;
				ptr3 += offset;
				fixed (sbyte* ptr4 = &register.sbyte_0)
				{
					for (int j = 0; j < Count; j++)
					{
						ptr4[j] = ptr3[j];
					}
				}
				return;
			}
			if (typeof(T) == typeof(ushort))
			{
				ushort* ptr5 = (ushort*)dataPointer;
				ptr5 += offset;
				fixed (ushort* ptr6 = &register.uint16_0)
				{
					for (int k = 0; k < Count; k++)
					{
						ptr6[k] = ptr5[k];
					}
				}
				return;
			}
			if (typeof(T) == typeof(short))
			{
				short* ptr7 = (short*)dataPointer;
				ptr7 += offset;
				fixed (short* ptr8 = &register.int16_0)
				{
					for (int l = 0; l < Count; l++)
					{
						ptr8[l] = ptr7[l];
					}
				}
				return;
			}
			if (typeof(T) == typeof(uint))
			{
				uint* ptr9 = (uint*)dataPointer;
				ptr9 += offset;
				fixed (uint* ptr10 = &register.uint32_0)
				{
					for (int m = 0; m < Count; m++)
					{
						ptr10[m] = ptr9[m];
					}
				}
				return;
			}
			if (typeof(T) == typeof(int))
			{
				int* ptr11 = (int*)dataPointer;
				ptr11 += offset;
				fixed (int* ptr12 = &register.int32_0)
				{
					for (int n = 0; n < Count; n++)
					{
						ptr12[n] = ptr11[n];
					}
				}
				return;
			}
			if (typeof(T) == typeof(ulong))
			{
				ulong* ptr13 = (ulong*)dataPointer;
				ptr13 += offset;
				fixed (ulong* ptr14 = &register.uint64_0)
				{
					for (int num = 0; num < Count; num++)
					{
						ptr14[num] = ptr13[num];
					}
				}
				return;
			}
			if (typeof(T) == typeof(long))
			{
				long* ptr15 = (long*)dataPointer;
				ptr15 += offset;
				fixed (long* ptr16 = &register.int64_0)
				{
					for (int num2 = 0; num2 < Count; num2++)
					{
						ptr16[num2] = ptr15[num2];
					}
				}
				return;
			}
			if (typeof(T) == typeof(float))
			{
				float* ptr17 = (float*)dataPointer;
				ptr17 += offset;
				fixed (float* ptr18 = &register.single_0)
				{
					for (int num3 = 0; num3 < Count; num3++)
					{
						ptr18[num3] = ptr17[num3];
					}
				}
				return;
			}
			if (typeof(T) == typeof(double))
			{
				double* ptr19 = (double*)dataPointer;
				ptr19 += offset;
				fixed (double* ptr20 = &register.double_0)
				{
					for (int num4 = 0; num4 < Count; num4++)
					{
						ptr20[num4] = ptr19[num4];
					}
				}
				return;
			}
			throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
		}

		private Vector(ref System.Numerics.Register existingRegister)
		{
			register = existingRegister;
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public void CopyTo(T[] destination)
		{
			CopyTo(destination, 0);
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public unsafe void CopyTo(T[] destination, int startIndex)
		{
			if (destination == null)
			{
				throw new NullReferenceException(System.SR.Arg_NullArgumentNullRef);
			}
			if (startIndex < 0 || startIndex >= destination.Length)
			{
				throw new ArgumentOutOfRangeException("startIndex", System.SR.Format(System.SR.Arg_ArgumentOutOfRangeException, startIndex));
			}
			if (destination.Length - startIndex < Count)
			{
				throw new ArgumentException(System.SR.Format(System.SR.Arg_ElementsInSourceIsGreaterThanDestination, startIndex));
			}
			if (Vector.IsHardwareAccelerated)
			{
				if (typeof(T) == typeof(byte))
				{
					fixed (byte* ptr = (byte[])(object)destination)
					{
						for (int i = 0; i < Count; i++)
						{
							ptr[startIndex + i] = (byte)(object)this[i];
						}
					}
				}
				else if (typeof(T) == typeof(sbyte))
				{
					fixed (sbyte* ptr2 = (sbyte[])(object)destination)
					{
						for (int j = 0; j < Count; j++)
						{
							ptr2[startIndex + j] = (sbyte)(object)this[j];
						}
					}
				}
				else if (typeof(T) == typeof(ushort))
				{
					fixed (ushort* ptr3 = (ushort[])(object)destination)
					{
						for (int k = 0; k < Count; k++)
						{
							ptr3[startIndex + k] = (ushort)(object)this[k];
						}
					}
				}
				else if (typeof(T) == typeof(short))
				{
					fixed (short* ptr4 = (short[])(object)destination)
					{
						for (int l = 0; l < Count; l++)
						{
							ptr4[startIndex + l] = (short)(object)this[l];
						}
					}
				}
				else if (typeof(T) == typeof(uint))
				{
					fixed (uint* ptr5 = (uint[])(object)destination)
					{
						for (int m = 0; m < Count; m++)
						{
							ptr5[startIndex + m] = (uint)(object)this[m];
						}
					}
				}
				else if (typeof(T) == typeof(int))
				{
					fixed (int* ptr6 = (int[])(object)destination)
					{
						for (int n = 0; n < Count; n++)
						{
							ptr6[startIndex + n] = (int)(object)this[n];
						}
					}
				}
				else if (typeof(T) == typeof(ulong))
				{
					fixed (ulong* ptr7 = (ulong[])(object)destination)
					{
						for (int num = 0; num < Count; num++)
						{
							ptr7[startIndex + num] = (ulong)(object)this[num];
						}
					}
				}
				else if (typeof(T) == typeof(long))
				{
					fixed (long* ptr8 = (long[])(object)destination)
					{
						for (int num2 = 0; num2 < Count; num2++)
						{
							ptr8[startIndex + num2] = (long)(object)this[num2];
						}
					}
				}
				else if (typeof(T) == typeof(float))
				{
					fixed (float* ptr9 = (float[])(object)destination)
					{
						for (int num3 = 0; num3 < Count; num3++)
						{
							ptr9[startIndex + num3] = (float)(object)this[num3];
						}
					}
				}
				else
				{
					if (!(typeof(T) == typeof(double)))
					{
						return;
					}
					fixed (double* ptr10 = (double[])(object)destination)
					{
						for (int num4 = 0; num4 < Count; num4++)
						{
							ptr10[startIndex + num4] = (double)(object)this[num4];
						}
					}
				}
			}
			else if (typeof(T) == typeof(byte))
			{
				fixed (byte* ptr11 = (byte[])(object)destination)
				{
					ptr11[startIndex] = register.byte_0;
					ptr11[startIndex + 1] = register.byte_1;
					ptr11[startIndex + 2] = register.byte_2;
					ptr11[startIndex + 3] = register.byte_3;
					ptr11[startIndex + 4] = register.byte_4;
					ptr11[startIndex + 5] = register.byte_5;
					ptr11[startIndex + 6] = register.byte_6;
					ptr11[startIndex + 7] = register.byte_7;
					ptr11[startIndex + 8] = register.byte_8;
					ptr11[startIndex + 9] = register.byte_9;
					ptr11[startIndex + 10] = register.byte_10;
					ptr11[startIndex + 11] = register.byte_11;
					ptr11[startIndex + 12] = register.byte_12;
					ptr11[startIndex + 13] = register.byte_13;
					ptr11[startIndex + 14] = register.byte_14;
					ptr11[startIndex + 15] = register.byte_15;
				}
			}
			else if (typeof(T) == typeof(sbyte))
			{
				fixed (sbyte* ptr12 = (sbyte[])(object)destination)
				{
					ptr12[startIndex] = register.sbyte_0;
					ptr12[startIndex + 1] = register.sbyte_1;
					ptr12[startIndex + 2] = register.sbyte_2;
					ptr12[startIndex + 3] = register.sbyte_3;
					ptr12[startIndex + 4] = register.sbyte_4;
					ptr12[startIndex + 5] = register.sbyte_5;
					ptr12[startIndex + 6] = register.sbyte_6;
					ptr12[startIndex + 7] = register.sbyte_7;
					ptr12[startIndex + 8] = register.sbyte_8;
					ptr12[startIndex + 9] = register.sbyte_9;
					ptr12[startIndex + 10] = register.sbyte_10;
					ptr12[startIndex + 11] = register.sbyte_11;
					ptr12[startIndex + 12] = register.sbyte_12;
					ptr12[startIndex + 13] = register.sbyte_13;
					ptr12[startIndex + 14] = register.sbyte_14;
					ptr12[startIndex + 15] = register.sbyte_15;
				}
			}
			else if (typeof(T) == typeof(ushort))
			{
				fixed (ushort* ptr13 = (ushort[])(object)destination)
				{
					ptr13[startIndex] = register.uint16_0;
					ptr13[startIndex + 1] = register.uint16_1;
					ptr13[startIndex + 2] = register.uint16_2;
					ptr13[startIndex + 3] = register.uint16_3;
					ptr13[startIndex + 4] = register.uint16_4;
					ptr13[startIndex + 5] = register.uint16_5;
					ptr13[startIndex + 6] = register.uint16_6;
					ptr13[startIndex + 7] = register.uint16_7;
				}
			}
			else if (typeof(T) == typeof(short))
			{
				fixed (short* ptr14 = (short[])(object)destination)
				{
					ptr14[startIndex] = register.int16_0;
					ptr14[startIndex + 1] = register.int16_1;
					ptr14[startIndex + 2] = register.int16_2;
					ptr14[startIndex + 3] = register.int16_3;
					ptr14[startIndex + 4] = register.int16_4;
					ptr14[startIndex + 5] = register.int16_5;
					ptr14[startIndex + 6] = register.int16_6;
					ptr14[startIndex + 7] = register.int16_7;
				}
			}
			else if (typeof(T) == typeof(uint))
			{
				fixed (uint* ptr15 = (uint[])(object)destination)
				{
					ptr15[startIndex] = register.uint32_0;
					ptr15[startIndex + 1] = register.uint32_1;
					ptr15[startIndex + 2] = register.uint32_2;
					ptr15[startIndex + 3] = register.uint32_3;
				}
			}
			else if (typeof(T) == typeof(int))
			{
				fixed (int* ptr16 = (int[])(object)destination)
				{
					ptr16[startIndex] = register.int32_0;
					ptr16[startIndex + 1] = register.int32_1;
					ptr16[startIndex + 2] = register.int32_2;
					ptr16[startIndex + 3] = register.int32_3;
				}
			}
			else if (typeof(T) == typeof(ulong))
			{
				fixed (ulong* ptr17 = (ulong[])(object)destination)
				{
					ptr17[startIndex] = register.uint64_0;
					ptr17[startIndex + 1] = register.uint64_1;
				}
			}
			else if (typeof(T) == typeof(long))
			{
				fixed (long* ptr18 = (long[])(object)destination)
				{
					ptr18[startIndex] = register.int64_0;
					ptr18[startIndex + 1] = register.int64_1;
				}
			}
			else if (typeof(T) == typeof(float))
			{
				fixed (float* ptr19 = (float[])(object)destination)
				{
					ptr19[startIndex] = register.single_0;
					ptr19[startIndex + 1] = register.single_1;
					ptr19[startIndex + 2] = register.single_2;
					ptr19[startIndex + 3] = register.single_3;
				}
			}
			else if (typeof(T) == typeof(double))
			{
				fixed (double* ptr20 = (double[])(object)destination)
				{
					ptr20[startIndex] = register.double_0;
					ptr20[startIndex + 1] = register.double_1;
				}
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public override bool Equals(object obj)
		{
			if (!(obj is Vector<T>))
			{
				return false;
			}
			return Equals((Vector<T>)obj);
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public bool Equals(Vector<T> other)
		{
			if (Vector.IsHardwareAccelerated)
			{
				for (int i = 0; i < Count; i++)
				{
					if (!ScalarEquals(this[i], other[i]))
					{
						return false;
					}
				}
				return true;
			}
			if (typeof(T) == typeof(byte))
			{
				if (register.byte_0 == other.register.byte_0 && register.byte_1 == other.register.byte_1 && register.byte_2 == other.register.byte_2 && register.byte_3 == other.register.byte_3 && register.byte_4 == other.register.byte_4 && register.byte_5 == other.register.byte_5 && register.byte_6 == other.register.byte_6 && register.byte_7 == other.register.byte_7 && register.byte_8 == other.register.byte_8 && register.byte_9 == other.register.byte_9 && register.byte_10 == other.register.byte_10 && register.byte_11 == other.register.byte_11 && register.byte_12 == other.register.byte_12 && register.byte_13 == other.register.byte_13 && register.byte_14 == other.register.byte_14)
				{
					return register.byte_15 == other.register.byte_15;
				}
				return false;
			}
			if (typeof(T) == typeof(sbyte))
			{
				if (register.sbyte_0 == other.register.sbyte_0 && register.sbyte_1 == other.register.sbyte_1 && register.sbyte_2 == other.register.sbyte_2 && register.sbyte_3 == other.register.sbyte_3 && register.sbyte_4 == other.register.sbyte_4 && register.sbyte_5 == other.register.sbyte_5 && register.sbyte_6 == other.register.sbyte_6 && register.sbyte_7 == other.register.sbyte_7 && register.sbyte_8 == other.register.sbyte_8 && register.sbyte_9 == other.register.sbyte_9 && register.sbyte_10 == other.register.sbyte_10 && register.sbyte_11 == other.register.sbyte_11 && register.sbyte_12 == other.register.sbyte_12 && register.sbyte_13 == other.register.sbyte_13 && register.sbyte_14 == other.register.sbyte_14)
				{
					return register.sbyte_15 == other.register.sbyte_15;
				}
				return false;
			}
			if (typeof(T) == typeof(ushort))
			{
				if (register.uint16_0 == other.register.uint16_0 && register.uint16_1 == other.register.uint16_1 && register.uint16_2 == other.register.uint16_2 && register.uint16_3 == other.register.uint16_3 && register.uint16_4 == other.register.uint16_4 && register.uint16_5 == other.register.uint16_5 && register.uint16_6 == other.register.uint16_6)
				{
					return register.uint16_7 == other.register.uint16_7;
				}
				return false;
			}
			if (typeof(T) == typeof(short))
			{
				if (register.int16_0 == other.register.int16_0 && register.int16_1 == other.register.int16_1 && register.int16_2 == other.register.int16_2 && register.int16_3 == other.register.int16_3 && register.int16_4 == other.register.int16_4 && register.int16_5 == other.register.int16_5 && register.int16_6 == other.register.int16_6)
				{
					return register.int16_7 == other.register.int16_7;
				}
				return false;
			}
			if (typeof(T) == typeof(uint))
			{
				if (register.uint32_0 == other.register.uint32_0 && register.uint32_1 == other.register.uint32_1 && register.uint32_2 == other.register.uint32_2)
				{
					return register.uint32_3 == other.register.uint32_3;
				}
				return false;
			}
			if (typeof(T) == typeof(int))
			{
				if (register.int32_0 == other.register.int32_0 && register.int32_1 == other.register.int32_1 && register.int32_2 == other.register.int32_2)
				{
					return register.int32_3 == other.register.int32_3;
				}
				return false;
			}
			if (typeof(T) == typeof(ulong))
			{
				if (register.uint64_0 == other.register.uint64_0)
				{
					return register.uint64_1 == other.register.uint64_1;
				}
				return false;
			}
			if (typeof(T) == typeof(long))
			{
				if (register.int64_0 == other.register.int64_0)
				{
					return register.int64_1 == other.register.int64_1;
				}
				return false;
			}
			if (typeof(T) == typeof(float))
			{
				if (register.single_0 == other.register.single_0 && register.single_1 == other.register.single_1 && register.single_2 == other.register.single_2)
				{
					return register.single_3 == other.register.single_3;
				}
				return false;
			}
			if (typeof(T) == typeof(double))
			{
				if (register.double_0 == other.register.double_0)
				{
					return register.double_1 == other.register.double_1;
				}
				return false;
			}
			throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
		}

		public override int GetHashCode()
		{
			int num = 0;
			if (Vector.IsHardwareAccelerated)
			{
				if (typeof(T) == typeof(byte))
				{
					for (int i = 0; i < Count; i++)
					{
						num = HashHelpers.Combine(num, ((byte)(object)this[i]).GetHashCode());
					}
					return num;
				}
				if (typeof(T) == typeof(sbyte))
				{
					for (int j = 0; j < Count; j++)
					{
						num = HashHelpers.Combine(num, ((sbyte)(object)this[j]).GetHashCode());
					}
					return num;
				}
				if (typeof(T) == typeof(ushort))
				{
					for (int k = 0; k < Count; k++)
					{
						num = HashHelpers.Combine(num, ((ushort)(object)this[k]).GetHashCode());
					}
					return num;
				}
				if (typeof(T) == typeof(short))
				{
					for (int l = 0; l < Count; l++)
					{
						num = HashHelpers.Combine(num, ((short)(object)this[l]).GetHashCode());
					}
					return num;
				}
				if (typeof(T) == typeof(uint))
				{
					for (int m = 0; m < Count; m++)
					{
						num = HashHelpers.Combine(num, ((uint)(object)this[m]).GetHashCode());
					}
					return num;
				}
				if (typeof(T) == typeof(int))
				{
					for (int n = 0; n < Count; n++)
					{
						num = HashHelpers.Combine(num, ((int)(object)this[n]).GetHashCode());
					}
					return num;
				}
				if (typeof(T) == typeof(ulong))
				{
					for (int num2 = 0; num2 < Count; num2++)
					{
						num = HashHelpers.Combine(num, ((ulong)(object)this[num2]).GetHashCode());
					}
					return num;
				}
				if (typeof(T) == typeof(long))
				{
					for (int num3 = 0; num3 < Count; num3++)
					{
						num = HashHelpers.Combine(num, ((long)(object)this[num3]).GetHashCode());
					}
					return num;
				}
				if (typeof(T) == typeof(float))
				{
					for (int num4 = 0; num4 < Count; num4++)
					{
						num = HashHelpers.Combine(num, ((float)(object)this[num4]).GetHashCode());
					}
					return num;
				}
				if (typeof(T) == typeof(double))
				{
					for (int num5 = 0; num5 < Count; num5++)
					{
						num = HashHelpers.Combine(num, ((double)(object)this[num5]).GetHashCode());
					}
					return num;
				}
				throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
			}
			if (typeof(T) == typeof(byte))
			{
				num = HashHelpers.Combine(num, register.byte_0.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_1.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_2.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_3.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_4.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_5.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_6.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_7.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_8.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_9.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_10.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_11.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_12.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_13.GetHashCode());
				num = HashHelpers.Combine(num, register.byte_14.GetHashCode());
				return HashHelpers.Combine(num, register.byte_15.GetHashCode());
			}
			if (typeof(T) == typeof(sbyte))
			{
				num = HashHelpers.Combine(num, register.sbyte_0.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_1.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_2.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_3.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_4.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_5.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_6.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_7.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_8.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_9.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_10.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_11.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_12.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_13.GetHashCode());
				num = HashHelpers.Combine(num, register.sbyte_14.GetHashCode());
				return HashHelpers.Combine(num, register.sbyte_15.GetHashCode());
			}
			if (typeof(T) == typeof(ushort))
			{
				num = HashHelpers.Combine(num, register.uint16_0.GetHashCode());
				num = HashHelpers.Combine(num, register.uint16_1.GetHashCode());
				num = HashHelpers.Combine(num, register.uint16_2.GetHashCode());
				num = HashHelpers.Combine(num, register.uint16_3.GetHashCode());
				num = HashHelpers.Combine(num, register.uint16_4.GetHashCode());
				num = HashHelpers.Combine(num, register.uint16_5.GetHashCode());
				num = HashHelpers.Combine(num, register.uint16_6.GetHashCode());
				return HashHelpers.Combine(num, register.uint16_7.GetHashCode());
			}
			if (typeof(T) == typeof(short))
			{
				num = HashHelpers.Combine(num, register.int16_0.GetHashCode());
				num = HashHelpers.Combine(num, register.int16_1.GetHashCode());
				num = HashHelpers.Combine(num, register.int16_2.GetHashCode());
				num = HashHelpers.Combine(num, register.int16_3.GetHashCode());
				num = HashHelpers.Combine(num, register.int16_4.GetHashCode());
				num = HashHelpers.Combine(num, register.int16_5.GetHashCode());
				num = HashHelpers.Combine(num, register.int16_6.GetHashCode());
				return HashHelpers.Combine(num, register.int16_7.GetHashCode());
			}
			if (typeof(T) == typeof(uint))
			{
				num = HashHelpers.Combine(num, register.uint32_0.GetHashCode());
				num = HashHelpers.Combine(num, register.uint32_1.GetHashCode());
				num = HashHelpers.Combine(num, register.uint32_2.GetHashCode());
				return HashHelpers.Combine(num, register.uint32_3.GetHashCode());
			}
			if (typeof(T) == typeof(int))
			{
				num = HashHelpers.Combine(num, register.int32_0.GetHashCode());
				num = HashHelpers.Combine(num, register.int32_1.GetHashCode());
				num = HashHelpers.Combine(num, register.int32_2.GetHashCode());
				return HashHelpers.Combine(num, register.int32_3.GetHashCode());
			}
			if (typeof(T) == typeof(ulong))
			{
				num = HashHelpers.Combine(num, register.uint64_0.GetHashCode());
				return HashHelpers.Combine(num, register.uint64_1.GetHashCode());
			}
			if (typeof(T) == typeof(long))
			{
				num = HashHelpers.Combine(num, register.int64_0.GetHashCode());
				return HashHelpers.Combine(num, register.int64_1.GetHashCode());
			}
			if (typeof(T) == typeof(float))
			{
				num = HashHelpers.Combine(num, register.single_0.GetHashCode());
				num = HashHelpers.Combine(num, register.single_1.GetHashCode());
				num = HashHelpers.Combine(num, register.single_2.GetHashCode());
				return HashHelpers.Combine(num, register.single_3.GetHashCode());
			}
			if (typeof(T) == typeof(double))
			{
				num = HashHelpers.Combine(num, register.double_0.GetHashCode());
				return HashHelpers.Combine(num, register.double_1.GetHashCode());
			}
			throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
		}

		public override string ToString()
		{
			return ToString("G", CultureInfo.CurrentCulture);
		}

		public string ToString(string format)
		{
			return ToString(format, CultureInfo.CurrentCulture);
		}

		public string ToString(string format, IFormatProvider formatProvider)
		{
			StringBuilder stringBuilder = new StringBuilder();
			string numberGroupSeparator = NumberFormatInfo.GetInstance(formatProvider).NumberGroupSeparator;
			stringBuilder.Append('<');
			for (int i = 0; i < Count - 1; i++)
			{
				stringBuilder.Append(((IFormattable)(object)this[i]).ToString(format, formatProvider));
				stringBuilder.Append(numberGroupSeparator);
				stringBuilder.Append(' ');
			}
			stringBuilder.Append(((IFormattable)(object)this[Count - 1]).ToString(format, formatProvider));
			stringBuilder.Append('>');
			return stringBuilder.ToString();
		}

		public unsafe static Vector<T>operator +(Vector<T> left, Vector<T> right)
		{
			if (Vector.IsHardwareAccelerated)
			{
				if (typeof(T) == typeof(byte))
				{
					byte* ptr = stackalloc byte[(int)(uint)Count];
					for (int i = 0; i < Count; i++)
					{
						ptr[i] = (byte)(object)ScalarAdd(left[i], right[i]);
					}
					return new Vector<T>(ptr);
				}
				if (typeof(T) == typeof(sbyte))
				{
					sbyte* ptr2 = stackalloc sbyte[(int)(uint)Count];
					for (int j = 0; j < Count; j++)
					{
						ptr2[j] = (sbyte)(object)ScalarAdd(left[j], right[j]);
					}
					return new Vector<T>(ptr2);
				}
				if (typeof(T) == typeof(ushort))
				{
					ushort* ptr3 = stackalloc ushort[Count];
					for (int k = 0; k < Count; k++)
					{
						ptr3[k] = (ushort)(object)ScalarAdd(left[k], right[k]);
					}
					return new Vector<T>(ptr3);
				}
				if (typeof(T) == typeof(short))
				{
					short* ptr4 = stackalloc short[Count];
					for (int l = 0; l < Count; l++)
					{
						ptr4[l] = (short)(object)ScalarAdd(left[l], right[l]);
					}
					return new Vector<T>(ptr4);
				}
				if (typeof(T) == typeof(uint))
				{
					uint* ptr5 = stackalloc uint[Count];
					for (int m = 0; m < Count; m++)
					{
						ptr5[m] = (uint)(object)ScalarAdd(left[m], right[m]);
					}
					return new Vector<T>(ptr5);
				}
				if (typeof(T) == typeof(int))
				{
					int* ptr6 = stackalloc int[Count];
					for (int n = 0; n < Count; n++)
					{
						ptr6[n] = (int)(object)ScalarAdd(left[n], right[n]);
					}
					return new Vector<T>(ptr6);
				}
				if (typeof(T) == typeof(ulong))
				{
					ulong* ptr7 = stackalloc ulong[Count];
					for (int num = 0; num < Count; num++)
					{
						ptr7[num] = (ulong)(object)ScalarAdd(left[num], right[num]);
					}
					return new Vector<T>(ptr7);
				}
				if (typeof(T) == typeof(long))
				{
					long* ptr8 = stackalloc long[Count];
					for (int num2 = 0; num2 < Count; num2++)
					{
						ptr8[num2] = (long)(object)ScalarAdd(left[num2], right[num2]);
					}
					return new Vector<T>(ptr8);
				}
				if (typeof(T) == typeof(float))
				{
					float* ptr9 = stackalloc float[Count];
					for (int num3 = 0; num3 < Count; num3++)
					{
						ptr9[num3] = (float)(object)ScalarAdd(left[num3], right[num3]);
					}
					return new Vector<T>(ptr9);
				}
				if (typeof(T) == typeof(double))
				{
					double* ptr10 = stackalloc double[Count];
					for (int num4 = 0; num4 < Count; num4++)
					{
						ptr10[num4] = (double)(object)ScalarAdd(left[num4], right[num4]);
					}
					return new Vector<T>(ptr10);
				}
				throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
			}
			Vector<T> result = default(Vector<T>);
			if (typeof(T) == typeof(byte))
			{
				result.register.byte_0 = (byte)(left.register.byte_0 + right.register.byte_0);
				result.register.byte_1 = (byte)(left.register.byte_1 + right.register.byte_1);
				result.register.byte_2 = (byte)(left.register.byte_2 + right.register.byte_2);
				result.register.byte_3 = (byte)(left.register.byte_3 + right.register.byte_3);
				result.register.byte_4 = (byte)(left.register.byte_4 + right.register.byte_4);
				result.register.byte_5 = (byte)(left.register.byte_5 + right.register.byte_5);
				result.register.byte_6 = (byte)(left.register.byte_6 + right.register.byte_6);
				result.register.byte_7 = (byte)(left.register.byte_7 + right.register.byte_7);
				result.register.byte_8 = (byte)(left.register.byte_8 + right.register.byte_8);
				result.register.byte_9 = (byte)(left.register.byte_9 + right.register.byte_9);
				result.register.byte_10 = (byte)(left.register.byte_10 + right.register.byte_10);
				result.register.byte_11 = (byte)(left.register.byte_11 + right.register.byte_11);
				result.register.byte_12 = (byte)(left.register.byte_12 + right.register.byte_12);
				result.register.byte_13 = (byte)(left.register.byte_13 + right.register.byte_13);
				result.register.byte_14 = (byte)(left.register.byte_14 + right.register.byte_14);
				result.register.byte_15 = (byte)(left.register.byte_15 + right.register.byte_15);
			}
			else if (typeof(T) == typeof(sbyte))
			{
				result.register.sbyte_0 = (sbyte)(left.register.sbyte_0 + right.register.sbyte_0);
				result.register.sbyte_1 = (sbyte)(left.register.sbyte_1 + right.register.sbyte_1);
				result.register.sbyte_2 = (sbyte)(left.register.sbyte_2 + right.register.sbyte_2);
				result.register.sbyte_3 = (sbyte)(left.register.sbyte_3 + right.register.sbyte_3);
				result.register.sbyte_4 = (sbyte)(left.register.sbyte_4 + right.register.sbyte_4);
				result.register.sbyte_5 = (sbyte)(left.register.sbyte_5 + right.register.sbyte_5);
				result.register.sbyte_6 = (sbyte)(left.register.sbyte_6 + right.register.sbyte_6);
				result.register.sbyte_7 = (sbyte)(left.register.sbyte_7 + right.register.sbyte_7);
				result.register.sbyte_8 = (sbyte)(left.register.sbyte_8 + right.register.sbyte_8);
				result.register.sbyte_9 = (sbyte)(left.register.sbyte_9 + right.register.sbyte_9);
				result.register.sbyte_10 = (sbyte)(left.register.sbyte_10 + right.register.sbyte_10);
				result.register.sbyte_11 = (sbyte)(left.register.sbyte_11 + right.register.sbyte_11);
				result.register.sbyte_12 = (sbyte)(left.register.sbyte_12 + right.register.sbyte_12);
				result.register.sbyte_13 = (sbyte)(left.register.sbyte_13 + right.register.sbyte_13);
				result.register.sbyte_14 = (sbyte)(left.register.sbyte_14 + right.register.sbyte_14);
				result.register.sbyte_15 = (sbyte)(left.register.sbyte_15 + right.register.sbyte_15);
			}
			else if (typeof(T) == typeof(ushort))
			{
				result.register.uint16_0 = (ushort)(left.register.uint16_0 + right.register.uint16_0);
				result.register.uint16_1 = (ushort)(left.register.uint16_1 + right.register.uint16_1);
				result.register.uint16_2 = (ushort)(left.register.uint16_2 + right.register.uint16_2);
				result.register.uint16_3 = (ushort)(left.register.uint16_3 + right.register.uint16_3);
				result.register.uint16_4 = (ushort)(left.register.uint16_4 + right.register.uint16_4);
				result.register.uint16_5 = (ushort)(left.register.uint16_5 + right.register.uint16_5);
				result.register.uint16_6 = (ushort)(left.register.uint16_6 + right.register.uint16_6);
				result.register.uint16_7 = (ushort)(left.register.uint16_7 + right.register.uint16_7);
			}
			else if (typeof(T) == typeof(short))
			{
				result.register.int16_0 = (short)(left.register.int16_0 + right.register.int16_0);
				result.register.int16_1 = (short)(left.register.int16_1 + right.register.int16_1);
				result.register.int16_2 = (short)(left.register.int16_2 + right.register.int16_2);
				result.register.int16_3 = (short)(left.register.int16_3 + right.register.int16_3);
				result.register.int16_4 = (short)(left.register.int16_4 + right.register.int16_4);
				result.register.int16_5 = (short)(left.register.int16_5 + right.register.int16_5);
				result.register.int16_6 = (short)(left.register.int16_6 + right.register.int16_6);
				result.register.int16_7 = (short)(left.register.int16_7 + right.register.int16_7);
			}
			else if (typeof(T) == typeof(uint))
			{
				result.register.uint32_0 = left.register.uint32_0 + right.register.uint32_0;
				result.register.uint32_1 = left.register.uint32_1 + right.register.uint32_1;
				result.register.uint32_2 = left.register.uint32_2 + right.register.uint32_2;
				result.register.uint32_3 = left.register.uint32_3 + right.register.uint32_3;
			}
			else if (typeof(T) == typeof(int))
			{
				result.register.int32_0 = left.register.int32_0 + right.register.int32_0;
				result.register.int32_1 = left.register.int32_1 + right.register.int32_1;
				result.register.int32_2 = left.register.int32_2 + right.register.int32_2;
				result.register.int32_3 = left.register.int32_3 + right.register.int32_3;
			}
			else if (typeof(T) == typeof(ulong))
			{
				result.register.uint64_0 = left.register.uint64_0 + right.register.uint64_0;
				result.register.uint64_1 = left.register.uint64_1 + right.register.uint64_1;
			}
			else if (typeof(T) == typeof(long))
			{
				result.register.int64_0 = left.register.int64_0 + right.register.int64_0;
				result.register.int64_1 = left.register.int64_1 + right.register.int64_1;
			}
			else if (typeof(T) == typeof(float))
			{
				result.register.single_0 = left.register.single_0 + right.register.single_0;
				result.register.single_1 = left.register.single_1 + right.register.single_1;
				result.register.single_2 = left.register.single_2 + right.register.single_2;
				result.register.single_3 = left.register.single_3 + right.register.single_3;
			}
			else if (typeof(T) == typeof(double))
			{
				result.register.double_0 = left.register.double_0 + right.register.double_0;
				result.register.double_1 = left.register.double_1 + right.register.double_1;
			}
			return result;
		}

		public unsafe static Vector<T>operator -(Vector<T> left, Vector<T> right)
		{
			if (Vector.IsHardwareAccelerated)
			{
				if (typeof(T) == typeof(byte))
				{
					byte* ptr = stackalloc byte[(int)(uint)Count];
					for (int i = 0; i < Count; i++)
					{
						ptr[i] = (byte)(object)ScalarSubtract(left[i], right[i]);
					}
					return new Vector<T>(ptr);
				}
				if (typeof(T) == typeof(sbyte))
				{
					sbyte* ptr2 = stackalloc sbyte[(int)(uint)Count];
					for (int j = 0; j < Count; j++)
					{
						ptr2[j] = (sbyte)(object)ScalarSubtract(left[j], right[j]);
					}
					return new Vector<T>(ptr2);
				}
				if (typeof(T) == typeof(ushort))
				{
					ushort* ptr3 = stackalloc ushort[Count];
					for (int k = 0; k < Count; k++)
					{
						ptr3[k] = (ushort)(object)ScalarSubtract(left[k], right[k]);
					}
					return new Vector<T>(ptr3);
				}
				if (typeof(T) == typeof(short))
				{
					short* ptr4 = stackalloc short[Count];
					for (int l = 0; l < Count; l++)
					{
						ptr4[l] = (short)(object)ScalarSubtract(left[l], right[l]);
					}
					return new Vector<T>(ptr4);
				}
				if (typeof(T) == typeof(uint))
				{
					uint* ptr5 = stackalloc uint[Count];
					for (int m = 0; m < Count; m++)
					{
						ptr5[m] = (uint)(object)ScalarSubtract(left[m], right[m]);
					}
					return new Vector<T>(ptr5);
				}
				if (typeof(T) == typeof(int))
				{
					int* ptr6 = stackalloc int[Count];
					for (int n = 0; n < Count; n++)
					{
						ptr6[n] = (int)(object)ScalarSubtract(left[n], right[n]);
					}
					return new Vector<T>(ptr6);
				}
				if (typeof(T) == typeof(ulong))
				{
					ulong* ptr7 = stackalloc ulong[Count];
					for (int num = 0; num < Count; num++)
					{
						ptr7[num] = (ulong)(object)ScalarSubtract(left[num], right[num]);
					}
					return new Vector<T>(ptr7);
				}
				if (typeof(T) == typeof(long))
				{
					long* ptr8 = stackalloc long[Count];
					for (int num2 = 0; num2 < Count; num2++)
					{
						ptr8[num2] = (long)(object)ScalarSubtract(left[num2], right[num2]);
					}
					return new Vector<T>(ptr8);
				}
				if (typeof(T) == typeof(float))
				{
					float* ptr9 = stackalloc float[Count];
					for (int num3 = 0; num3 < Count; num3++)
					{
						ptr9[num3] = (float)(object)ScalarSubtract(left[num3], right[num3]);
					}
					return new Vector<T>(ptr9);
				}
				if (typeof(T) == typeof(double))
				{
					double* ptr10 = stackalloc double[Count];
					for (int num4 = 0; num4 < Count; num4++)
					{
						ptr10[num4] = (double)(object)ScalarSubtract(left[num4], right[num4]);
					}
					return new Vector<T>(ptr10);
				}
				throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
			}
			Vector<T> result = default(Vector<T>);
			if (typeof(T) == typeof(byte))
			{
				result.register.byte_0 = (byte)(left.register.byte_0 - right.register.byte_0);
				result.register.byte_1 = (byte)(left.register.byte_1 - right.register.byte_1);
				result.register.byte_2 = (byte)(left.register.byte_2 - right.register.byte_2);
				result.register.byte_3 = (byte)(left.register.byte_3 - right.register.byte_3);
				result.register.byte_4 = (byte)(left.register.byte_4 - right.register.byte_4);
				result.register.byte_5 = (byte)(left.register.byte_5 - right.register.byte_5);
				result.register.byte_6 = (byte)(left.register.byte_6 - right.register.byte_6);
				result.register.byte_7 = (byte)(left.register.byte_7 - right.register.byte_7);
				result.register.byte_8 = (byte)(left.register.byte_8 - right.register.byte_8);
				result.register.byte_9 = (byte)(left.register.byte_9 - right.register.byte_9);
				result.register.byte_10 = (byte)(left.register.byte_10 - right.register.byte_10);
				result.register.byte_11 = (byte)(left.register.byte_11 - right.register.byte_11);
				result.register.byte_12 = (byte)(left.register.byte_12 - right.register.byte_12);
				result.register.byte_13 = (byte)(left.register.byte_13 - right.register.byte_13);
				result.register.byte_14 = (byte)(left.register.byte_14 - right.register.byte_14);
				result.register.byte_15 = (byte)(left.register.byte_15 - right.register.byte_15);
			}
			else if (typeof(T) == typeof(sbyte))
			{
				result.register.sbyte_0 = (sbyte)(left.register.sbyte_0 - right.register.sbyte_0);
				result.register.sbyte_1 = (sbyte)(left.register.sbyte_1 - right.register.sbyte_1);
				result.register.sbyte_2 = (sbyte)(left.register.sbyte_2 - right.register.sbyte_2);
				result.register.sbyte_3 = (sbyte)(left.register.sbyte_3 - right.register.sbyte_3);
				result.register.sbyte_4 = (sbyte)(left.register.sbyte_4 - right.register.sbyte_4);
				result.register.sbyte_5 = (sbyte)(left.register.sbyte_5 - right.register.sbyte_5);
				result.register.sbyte_6 = (sbyte)(left.register.sbyte_6 - right.register.sbyte_6);
				result.register.sbyte_7 = (sbyte)(left.register.sbyte_7 - right.register.sbyte_7);
				result.register.sbyte_8 = (sbyte)(left.register.sbyte_8 - right.register.sbyte_8);
				result.register.sbyte_9 = (sbyte)(left.register.sbyte_9 - right.register.sbyte_9);
				result.register.sbyte_10 = (sbyte)(left.register.sbyte_10 - right.register.sbyte_10);
				result.register.sbyte_11 = (sbyte)(left.register.sbyte_11 - right.register.sbyte_11);
				result.register.sbyte_12 = (sbyte)(left.register.sbyte_12 - right.register.sbyte_12);
				result.register.sbyte_13 = (sbyte)(left.register.sbyte_13 - right.register.sbyte_13);
				result.register.sbyte_14 = (sbyte)(left.register.sbyte_14 - right.register.sbyte_14);
				result.register.sbyte_15 = (sbyte)(left.register.sbyte_15 - right.register.sbyte_15);
			}
			else if (typeof(T) == typeof(ushort))
			{
				result.register.uint16_0 = (ushort)(left.register.uint16_0 - right.register.uint16_0);
				result.register.uint16_1 = (ushort)(left.register.uint16_1 - right.register.uint16_1);
				result.register.uint16_2 = (ushort)(left.register.uint16_2 - right.register.uint16_2);
				result.register.uint16_3 = (ushort)(left.register.uint16_3 - right.register.uint16_3);
				result.register.uint16_4 = (ushort)(left.register.uint16_4 - right.register.uint16_4);
				result.register.uint16_5 = (ushort)(left.register.uint16_5 - right.register.uint16_5);
				result.register.uint16_6 = (ushort)(left.register.uint16_6 - right.register.uint16_6);
				result.register.uint16_7 = (ushort)(left.register.uint16_7 - right.register.uint16_7);
			}
			else if (typeof(T) == typeof(short))
			{
				result.register.int16_0 = (short)(left.register.int16_0 - right.register.int16_0);
				result.register.int16_1 = (short)(left.register.int16_1 - right.register.int16_1);
				result.register.int16_2 = (short)(left.register.int16_2 - right.register.int16_2);
				result.register.int16_3 = (short)(left.register.int16_3 - right.register.int16_3);
				result.register.int16_4 = (short)(left.register.int16_4 - right.register.int16_4);
				result.register.int16_5 = (short)(left.register.int16_5 - right.register.int16_5);
				result.register.int16_6 = (short)(left.register.int16_6 - right.register.int16_6);
				result.register.int16_7 = (short)(left.register.int16_7 - right.register.int16_7);
			}
			else if (typeof(T) == typeof(uint))
			{
				result.register.uint32_0 = left.register.uint32_0 - right.register.uint32_0;
				result.register.uint32_1 = left.register.uint32_1 - right.register.uint32_1;
				result.register.uint32_2 = left.register.uint32_2 - right.register.uint32_2;
				result.register.uint32_3 = left.register.uint32_3 - right.register.uint32_3;
			}
			else if (typeof(T) == typeof(int))
			{
				result.register.int32_0 = left.register.int32_0 - right.register.int32_0;
				result.register.int32_1 = left.register.int32_1 - right.register.int32_1;
				result.register.int32_2 = left.register.int32_2 - right.register.int32_2;
				result.register.int32_3 = left.register.int32_3 - right.register.int32_3;
			}
			else if (typeof(T) == typeof(ulong))
			{
				result.register.uint64_0 = left.register.uint64_0 - right.register.uint64_0;
				result.register.uint64_1 = left.register.uint64_1 - right.register.uint64_1;
			}
			else if (typeof(T) == typeof(long))
			{
				result.register.int64_0 = left.register.int64_0 - right.register.int64_0;
				result.register.int64_1 = left.register.int64_1 - right.register.int64_1;
			}
			else if (typeof(T) == typeof(float))
			{
				result.register.single_0 = left.register.single_0 - right.register.single_0;
				result.register.single_1 = left.register.single_1 - right.register.single_1;
				result.register.single_2 = left.register.single_2 - right.register.single_2;
				result.register.single_3 = left.register.single_3 - right.register.single_3;
			}
			else if (typeof(T) == typeof(double))
			{
				result.register.double_0 = left.register.double_0 - right.register.double_0;
				result.register.double_1 = left.register.double_1 - right.register.double_1;
			}
			return result;
		}

		public unsafe static Vector<T>operator *(Vector<T> left, Vector<T> right)
		{
			if (Vector.IsHardwareAccelerated)
			{
				if (typeof(T) == typeof(byte))
				{
					byte* ptr = stackalloc byte[(int)(uint)Count];
					for (int i = 0; i < Count; i++)
					{
						ptr[i] = (byte)(object)ScalarMultiply(left[i], right[i]);
					}
					return new Vector<T>(ptr);
				}
				if (typeof(T) == typeof(sbyte))
				{
					sbyte* ptr2 = stackalloc sbyte[(int)(uint)Count];
					for (int j = 0; j < Count; j++)
					{
						ptr2[j] = (sbyte)(object)ScalarMultiply(left[j], right[j]);
					}
					return new Vector<T>(ptr2);
				}
				if (typeof(T) == typeof(ushort))
				{
					ushort* ptr3 = stackalloc ushort[Count];
					for (int k = 0; k < Count; k++)
					{
						ptr3[k] = (ushort)(object)ScalarMultiply(left[k], right[k]);
					}
					return new Vector<T>(ptr3);
				}
				if (typeof(T) == typeof(short))
				{
					short* ptr4 = stackalloc short[Count];
					for (int l = 0; l < Count; l++)
					{
						ptr4[l] = (short)(object)ScalarMultiply(left[l], right[l]);
					}
					return new Vector<T>(ptr4);
				}
				if (typeof(T) == typeof(uint))
				{
					uint* ptr5 = stackalloc uint[Count];
					for (int m = 0; m < Count; m++)
					{
						ptr5[m] = (uint)(object)ScalarMultiply(left[m], right[m]);
					}
					return new Vector<T>(ptr5);
				}
				if (typeof(T) == typeof(int))
				{
					int* ptr6 = stackalloc int[Count];
					for (int n = 0; n < Count; n++)
					{
						ptr6[n] = (int)(object)ScalarMultiply(left[n], right[n]);
					}
					return new Vector<T>(ptr6);
				}
				if (typeof(T) == typeof(ulong))
				{
					ulong* ptr7 = stackalloc ulong[Count];
					for (int num = 0; num < Count; num++)
					{
						ptr7[num] = (ulong)(object)ScalarMultiply(left[num], right[num]);
					}
					return new Vector<T>(ptr7);
				}
				if (typeof(T) == typeof(long))
				{
					long* ptr8 = stackalloc long[Count];
					for (int num2 = 0; num2 < Count; num2++)
					{
						ptr8[num2] = (long)(object)ScalarMultiply(left[num2], right[num2]);
					}
					return new Vector<T>(ptr8);
				}
				if (typeof(T) == typeof(float))
				{
					float* ptr9 = stackalloc float[Count];
					for (int num3 = 0; num3 < Count; num3++)
					{
						ptr9[num3] = (float)(object)ScalarMultiply(left[num3], right[num3]);
					}
					return new Vector<T>(ptr9);
				}
				if (typeof(T) == typeof(double))
				{
					double* ptr10 = stackalloc double[Count];
					for (int num4 = 0; num4 < Count; num4++)
					{
						ptr10[num4] = (double)(object)ScalarMultiply(left[num4], right[num4]);
					}
					return new Vector<T>(ptr10);
				}
				throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
			}
			Vector<T> result = default(Vector<T>);
			if (typeof(T) == typeof(byte))
			{
				result.register.byte_0 = (byte)(left.register.byte_0 * right.register.byte_0);
				result.register.byte_1 = (byte)(left.register.byte_1 * right.register.byte_1);
				result.register.byte_2 = (byte)(left.register.byte_2 * right.register.byte_2);
				result.register.byte_3 = (byte)(left.register.byte_3 * right.register.byte_3);
				result.register.byte_4 = (byte)(left.register.byte_4 * right.register.byte_4);
				result.register.byte_5 = (byte)(left.register.byte_5 * right.register.byte_5);
				result.register.byte_6 = (byte)(left.register.byte_6 * right.register.byte_6);
				result.register.byte_7 = (byte)(left.register.byte_7 * right.register.byte_7);
				result.register.byte_8 = (byte)(left.register.byte_8 * right.register.byte_8);
				result.register.byte_9 = (byte)(left.register.byte_9 * right.register.byte_9);
				result.register.byte_10 = (byte)(left.register.byte_10 * right.register.byte_10);
				result.register.byte_11 = (byte)(left.register.byte_11 * right.register.byte_11);
				result.register.byte_12 = (byte)(left.register.byte_12 * right.register.byte_12);
				result.register.byte_13 = (byte)(left.register.byte_13 * right.register.byte_13);
				result.register.byte_14 = (byte)(left.register.byte_14 * right.register.byte_14);
				result.register.byte_15 = (byte)(left.register.byte_15 * right.register.byte_15);
			}
			else if (typeof(T) == typeof(sbyte))
			{
				result.register.sbyte_0 = (sbyte)(left.register.sbyte_0 * right.register.sbyte_0);
				result.register.sbyte_1 = (sbyte)(left.register.sbyte_1 * right.register.sbyte_1);
				result.register.sbyte_2 = (sbyte)(left.register.sbyte_2 * right.register.sbyte_2);
				result.register.sbyte_3 = (sbyte)(left.register.sbyte_3 * right.register.sbyte_3);
				result.register.sbyte_4 = (sbyte)(left.register.sbyte_4 * right.register.sbyte_4);
				result.register.sbyte_5 = (sbyte)(left.register.sbyte_5 * right.register.sbyte_5);
				result.register.sbyte_6 = (sbyte)(left.register.sbyte_6 * right.register.sbyte_6);
				result.register.sbyte_7 = (sbyte)(left.register.sbyte_7 * right.register.sbyte_7);
				result.register.sbyte_8 = (sbyte)(left.register.sbyte_8 * right.register.sbyte_8);
				result.register.sbyte_9 = (sbyte)(left.register.sbyte_9 * right.register.sbyte_9);
				result.register.sbyte_10 = (sbyte)(left.register.sbyte_10 * right.register.sbyte_10);
				result.register.sbyte_11 = (sbyte)(left.register.sbyte_11 * right.register.sbyte_11);
				result.register.sbyte_12 = (sbyte)(left.register.sbyte_12 * right.register.sbyte_12);
				result.register.sbyte_13 = (sbyte)(left.register.sbyte_13 * right.register.sbyte_13);
				result.register.sbyte_14 = (sbyte)(left.register.sbyte_14 * right.register.sbyte_14);
				result.register.sbyte_15 = (sbyte)(left.register.sbyte_15 * right.register.sbyte_15);
			}
			else if (typeof(T) == typeof(ushort))
			{
				result.register.uint16_0 = (ushort)(left.register.uint16_0 * right.register.uint16_0);
				result.register.uint16_1 = (ushort)(left.register.uint16_1 * right.register.uint16_1);
				result.register.uint16_2 = (ushort)(left.register.uint16_2 * right.register.uint16_2);
				result.register.uint16_3 = (ushort)(left.register.uint16_3 * right.register.uint16_3);
				result.register.uint16_4 = (ushort)(left.register.uint16_4 * right.register.uint16_4);
				result.register.uint16_5 = (ushort)(left.register.uint16_5 * right.register.uint16_5);
				result.register.uint16_6 = (ushort)(left.register.uint16_6 * right.register.uint16_6);
				result.register.uint16_7 = (ushort)(left.register.uint16_7 * right.register.uint16_7);
			}
			else if (typeof(T) == typeof(short))
			{
				result.register.int16_0 = (short)(left.register.int16_0 * right.register.int16_0);
				result.register.int16_1 = (short)(left.register.int16_1 * right.register.int16_1);
				result.register.int16_2 = (short)(left.register.int16_2 * right.register.int16_2);
				result.register.int16_3 = (short)(left.register.int16_3 * right.register.int16_3);
				result.register.int16_4 = (short)(left.register.int16_4 * right.register.int16_4);
				result.register.int16_5 = (short)(left.register.int16_5 * right.register.int16_5);
				result.register.int16_6 = (short)(left.register.int16_6 * right.register.int16_6);
				result.register.int16_7 = (short)(left.register.int16_7 * right.register.int16_7);
			}
			else if (typeof(T) == typeof(uint))
			{
				result.register.uint32_0 = left.register.uint32_0 * right.register.uint32_0;
				result.register.uint32_1 = left.register.uint32_1 * right.register.uint32_1;
				result.register.uint32_2 = left.register.uint32_2 * right.register.uint32_2;
				result.register.uint32_3 = left.register.uint32_3 * right.register.uint32_3;
			}
			else if (typeof(T) == typeof(int))
			{
				result.register.int32_0 = left.register.int32_0 * right.register.int32_0;
				result.register.int32_1 = left.register.int32_1 * right.register.int32_1;
				result.register.int32_2 = left.register.int32_2 * right.register.int32_2;
				result.register.int32_3 = left.register.int32_3 * right.register.int32_3;
			}
			else if (typeof(T) == typeof(ulong))
			{
				result.register.uint64_0 = left.register.uint64_0 * right.register.uint64_0;
				result.register.uint64_1 = left.register.uint64_1 * right.register.uint64_1;
			}
			else if (typeof(T) == typeof(long))
			{
				result.register.int64_0 = left.register.int64_0 * right.register.int64_0;
				result.register.int64_1 = left.register.int64_1 * right.register.int64_1;
			}
			else if (typeof(T) == typeof(float))
			{
				result.register.single_0 = left.register.single_0 * right.register.single_0;
				result.register.single_1 = left.register.single_1 * right.register.single_1;
				result.register.single_2 = left.register.single_2 * right.register.single_2;
				result.register.single_3 = left.register.single_3 * right.register.single_3;
			}
			else if (typeof(T) == typeof(double))
			{
				result.register.double_0 = left.register.double_0 * right.register.double_0;
				result.register.double_1 = left.register.double_1 * right.register.double_1;
			}
			return result;
		}

		public static Vector<T>operator *(Vector<T> value, T factor)
		{
			if (Vector.IsHardwareAccelerated)
			{
				return new Vector<T>(factor) * value;
			}
			Vector<T> result = default(Vector<T>);
			if (typeof(T) == typeof(byte))
			{
				result.register.byte_0 = (byte)(value.register.byte_0 * (byte)(object)factor);
				result.register.byte_1 = (byte)(value.register.byte_1 * (byte)(object)factor);
				result.register.byte_2 = (byte)(value.register.byte_2 * (byte)(object)factor);
				result.register.byte_3 = (byte)(value.register.byte_3 * (byte)(object)factor);
				result.register.byte_4 = (byte)(value.register.byte_4 * (byte)(object)factor);
				result.register.byte_5 = (byte)(value.register.byte_5 * (byte)(object)factor);
				result.register.byte_6 = (byte)(value.register.byte_6 * (byte)(object)factor);
				result.register.byte_7 = (byte)(value.register.byte_7 * (byte)(object)factor);
				result.register.byte_8 = (byte)(value.register.byte_8 * (byte)(object)factor);
				result.register.byte_9 = (byte)(value.register.byte_9 * (byte)(object)factor);
				result.register.byte_10 = (byte)(value.register.byte_10 * (byte)(object)factor);
				result.register.byte_11 = (byte)(value.register.byte_11 * (byte)(object)factor);
				result.register.byte_12 = (byte)(value.register.byte_12 * (byte)(object)factor);
				result.register.byte_13 = (byte)(value.register.byte_13 * (byte)(object)factor);
				result.register.byte_14 = (byte)(value.register.byte_14 * (byte)(object)factor);
				result.register.byte_15 = (byte)(value.register.byte_15 * (byte)(object)factor);
			}
			else if (typeof(T) == typeof(sbyte))
			{
				result.register.sbyte_0 = (sbyte)(value.register.sbyte_0 * (sbyte)(object)factor);
				result.register.sbyte_1 = (sbyte)(value.register.sbyte_1 * (sbyte)(object)factor);
				result.register.sbyte_2 = (sbyte)(value.register.sbyte_2 * (sbyte)(object)factor);
				result.register.sbyte_3 = (sbyte)(value.register.sbyte_3 * (sbyte)(object)factor);
				result.register.sbyte_4 = (sbyte)(value.register.sbyte_4 * (sbyte)(object)factor);
				result.register.sbyte_5 = (sbyte)(value.register.sbyte_5 * (sbyte)(object)factor);
				result.register.sbyte_6 = (sbyte)(value.register.sbyte_6 * (sbyte)(object)factor);
				result.register.sbyte_7 = (sbyte)(value.register.sbyte_7 * (sbyte)(object)factor);
				result.register.sbyte_8 = (sbyte)(value.register.sbyte_8 * (sbyte)(object)factor);
				result.register.sbyte_9 = (sbyte)(value.register.sbyte_9 * (sbyte)(object)factor);
				result.register.sbyte_10 = (sbyte)(value.register.sbyte_10 * (sbyte)(object)factor);
				result.register.sbyte_11 = (sbyte)(value.register.sbyte_11 * (sbyte)(object)factor);
				result.register.sbyte_12 = (sbyte)(value.register.sbyte_12 * (sbyte)(object)factor);
				result.register.sbyte_13 = (sbyte)(value.register.sbyte_13 * (sbyte)(object)factor);
				result.register.sbyte_14 = (sbyte)(value.register.sbyte_14 * (sbyte)(object)factor);
				result.register.sbyte_15 = (sbyte)(value.register.sbyte_15 * (sbyte)(object)factor);
			}
			else if (typeof(T) == typeof(ushort))
			{
				result.register.uint16_0 = (ushort)(value.register.uint16_0 * (ushort)(object)factor);
				result.register.uint16_1 = (ushort)(value.register.uint16_1 * (ushort)(object)factor);
				result.register.uint16_2 = (ushort)(value.register.uint16_2 * (ushort)(object)factor);
				result.register.uint16_3 = (ushort)(value.register.uint16_3 * (ushort)(object)factor);
				result.register.uint16_4 = (ushort)(value.register.uint16_4 * (ushort)(object)factor);
				result.register.uint16_5 = (ushort)(value.register.uint16_5 * (ushort)(object)factor);
				result.register.uint16_6 = (ushort)(value.register.uint16_6 * (ushort)(object)factor);
				result.register.uint16_7 = (ushort)(value.register.uint16_7 * (ushort)(object)factor);
			}
			else if (typeof(T) == typeof(short))
			{
				result.register.int16_0 = (short)(value.register.int16_0 * (short)(object)factor);
				result.register.int16_1 = (short)(value.register.int16_1 * (short)(object)factor);
				result.register.int16_2 = (short)(value.register.int16_2 * (short)(object)factor);
				result.register.int16_3 = (short)(value.register.int16_3 * (short)(object)factor);
				result.register.int16_4 = (short)(value.register.int16_4 * (short)(object)factor);
				result.register.int16_5 = (short)(value.register.int16_5 * (short)(object)factor);
				result.register.int16_6 = (short)(value.register.int16_6 * (short)(object)factor);
				result.register.int16_7 = (short)(value.register.int16_7 * (short)(object)factor);
			}
			else if (typeof(T) == typeof(uint))
			{
				result.register.uint32_0 = value.register.uint32_0 * (uint)(object)factor;
				result.register.uint32_1 = value.register.uint32_1 * (uint)(object)factor;
				result.register.uint32_2 = value.register.uint32_2 * (uint)(object)factor;
				result.register.uint32_3 = value.register.uint32_3 * (uint)(object)factor;
			}
			else if (typeof(T) == typeof(int))
			{
				result.register.int32_0 = value.register.int32_0 * (int)(object)factor;
				result.register.int32_1 = value.register.int32_1 * (int)(object)factor;
				result.register.int32_2 = value.register.int32_2 * (int)(object)factor;
				result.register.int32_3 = value.register.int32_3 * (int)(object)factor;
			}
			else if (typeof(T) == typeof(ulong))
			{
				result.register.uint64_0 = value.register.uint64_0 * (ulong)(object)factor;
				result.register.uint64_1 = value.register.uint64_1 * (ulong)(object)factor;
			}
			else if (typeof(T) == typeof(long))
			{
				result.register.int64_0 = value.register.int64_0 * (long)(object)factor;
				result.register.int64_1 = value.register.int64_1 * (long)(object)factor;
			}
			else if (typeof(T) == typeof(float))
			{
				result.register.single_0 = value.register.single_0 * (float)(object)factor;
				result.register.single_1 = value.register.single_1 * (float)(object)factor;
				result.register.single_2 = value.register.single_2 * (float)(object)factor;
				result.register.single_3 = value.register.single_3 * (float)(object)factor;
			}
			else if (typeof(T) == typeof(double))
			{
				result.register.double_0 = value.register.double_0 * (double)(object)factor;
				result.register.double_1 = value.register.double_1 * (double)(object)factor;
			}
			return result;
		}

		public static Vector<T>operator *(T factor, Vector<T> value)
		{
			if (Vector.IsHardwareAccelerated)
			{
				return new Vector<T>(factor) * value;
			}
			Vector<T> result = default(Vector<T>);
			if (typeof(T) == typeof(byte))
			{
				result.register.byte_0 = (byte)(value.register.byte_0 * (byte)(object)factor);
				result.register.byte_1 = (byte)(value.register.byte_1 * (byte)(object)factor);
				result.register.byte_2 = (byte)(value.register.byte_2 * (byte)(object)factor);
				result.register.byte_3 = (byte)(value.register.byte_3 * (byte)(object)factor);
				result.register.byte_4 = (byte)(value.register.byte_4 * (byte)(object)factor);
				result.register.byte_5 = (byte)(value.register.byte_5 * (byte)(object)factor);
				result.register.byte_6 = (byte)(value.register.byte_6 * (byte)(object)factor);
				result.register.byte_7 = (byte)(value.register.byte_7 * (byte)(object)factor);
				result.register.byte_8 = (byte)(value.register.byte_8 * (byte)(object)factor);
				result.register.byte_9 = (byte)(value.register.byte_9 * (byte)(object)factor);
				result.register.byte_10 = (byte)(value.register.byte_10 * (byte)(object)factor);
				result.register.byte_11 = (byte)(value.register.byte_11 * (byte)(object)factor);
				result.register.byte_12 = (byte)(value.register.byte_12 * (byte)(object)factor);
				result.register.byte_13 = (byte)(value.register.byte_13 * (byte)(object)factor);
				result.register.byte_14 = (byte)(value.register.byte_14 * (byte)(object)factor);
				result.register.byte_15 = (byte)(value.register.byte_15 * (byte)(object)factor);
			}
			else if (typeof(T) == typeof(sbyte))
			{
				result.register.sbyte_0 = (sbyte)(value.register.sbyte_0 * (sbyte)(object)factor);
				result.register.sbyte_1 = (sbyte)(value.register.sbyte_1 * (sbyte)(object)factor);
				result.register.sbyte_2 = (sbyte)(value.register.sbyte_2 * (sbyte)(object)factor);
				result.register.sbyte_3 = (sbyte)(value.register.sbyte_3 * (sbyte)(object)factor);
				result.register.sbyte_4 = (sbyte)(value.register.sbyte_4 * (sbyte)(object)factor);
				result.register.sbyte_5 = (sbyte)(value.register.sbyte_5 * (sbyte)(object)factor);
				result.register.sbyte_6 = (sbyte)(value.register.sbyte_6 * (sbyte)(object)factor);
				result.register.sbyte_7 = (sbyte)(value.register.sbyte_7 * (sbyte)(object)factor);
				result.register.sbyte_8 = (sbyte)(value.register.sbyte_8 * (sbyte)(object)factor);
				result.register.sbyte_9 = (sbyte)(value.register.sbyte_9 * (sbyte)(object)factor);
				result.register.sbyte_10 = (sbyte)(value.register.sbyte_10 * (sbyte)(object)factor);
				result.register.sbyte_11 = (sbyte)(value.register.sbyte_11 * (sbyte)(object)factor);
				result.register.sbyte_12 = (sbyte)(value.register.sbyte_12 * (sbyte)(object)factor);
				result.register.sbyte_13 = (sbyte)(value.register.sbyte_13 * (sbyte)(object)factor);
				result.register.sbyte_14 = (sbyte)(value.register.sbyte_14 * (sbyte)(object)factor);
				result.register.sbyte_15 = (sbyte)(value.register.sbyte_15 * (sbyte)(object)factor);
			}
			else if (typeof(T) == typeof(ushort))
			{
				result.register.uint16_0 = (ushort)(value.register.uint16_0 * (ushort)(object)factor);
				result.register.uint16_1 = (ushort)(value.register.uint16_1 * (ushort)(object)factor);
				result.register.uint16_2 = (ushort)(value.register.uint16_2 * (ushort)(object)factor);
				result.register.uint16_3 = (ushort)(value.register.uint16_3 * (ushort)(object)factor);
				result.register.uint16_4 = (ushort)(value.register.uint16_4 * (ushort)(object)factor);
				result.register.uint16_5 = (ushort)(value.register.uint16_5 * (ushort)(object)factor);
				result.register.uint16_6 = (ushort)(value.register.uint16_6 * (ushort)(object)factor);
				result.register.uint16_7 = (ushort)(value.register.uint16_7 * (ushort)(object)factor);
			}
			else if (typeof(T) == typeof(short))
			{
				result.register.int16_0 = (short)(value.register.int16_0 * (short)(object)factor);
				result.register.int16_1 = (short)(value.register.int16_1 * (short)(object)factor);
				result.register.int16_2 = (short)(value.register.int16_2 * (short)(object)factor);
				result.register.int16_3 = (short)(value.register.int16_3 * (short)(object)factor);
				result.register.int16_4 = (short)(value.register.int16_4 * (short)(object)factor);
				result.register.int16_5 = (short)(value.register.int16_5 * (short)(object)factor);
				result.register.int16_6 = (short)(value.register.int16_6 * (short)(object)factor);
				result.register.int16_7 = (short)(value.register.int16_7 * (short)(object)factor);
			}
			else if (typeof(T) == typeof(uint))
			{
				result.register.uint32_0 = value.register.uint32_0 * (uint)(object)factor;
				result.register.uint32_1 = value.register.uint32_1 * (uint)(object)factor;
				result.register.uint32_2 = value.register.uint32_2 * (uint)(object)factor;
				result.register.uint32_3 = value.register.uint32_3 * (uint)(object)factor;
			}
			else if (typeof(T) == typeof(int))
			{
				result.register.int32_0 = value.register.int32_0 * (int)(object)factor;
				result.register.int32_1 = value.register.int32_1 * (int)(object)factor;
				result.register.int32_2 = value.register.int32_2 * (int)(object)factor;
				result.register.int32_3 = value.register.int32_3 * (int)(object)factor;
			}
			else if (typeof(T) == typeof(ulong))
			{
				result.register.uint64_0 = value.register.uint64_0 * (ulong)(object)factor;
				result.register.uint64_1 = value.register.uint64_1 * (ulong)(object)factor;
			}
			else if (typeof(T) == typeof(long))
			{
				result.register.int64_0 = value.register.int64_0 * (long)(object)factor;
				result.register.int64_1 = value.register.int64_1 * (long)(object)factor;
			}
			else if (typeof(T) == typeof(float))
			{
				result.register.single_0 = value.register.single_0 * (float)(object)factor;
				result.register.single_1 = value.register.single_1 * (float)(object)factor;
				result.register.single_2 = value.register.single_2 * (float)(object)factor;
				result.register.single_3 = value.register.single_3 * (float)(object)factor;
			}
			else if (typeof(T) == typeof(double))
			{
				result.register.double_0 = value.register.double_0 * (double)(object)factor;
				result.register.double_1 = value.register.double_1 * (double)(object)factor;
			}
			return result;
		}

		public unsafe static Vector<T>operator /(Vector<T> left, Vector<T> right)
		{
			if (Vector.IsHardwareAccelerated)
			{
				if (typeof(T) == typeof(byte))
				{
					byte* ptr = stackalloc byte[(int)(uint)Count];
					for (int i = 0; i < Count; i++)
					{
						ptr[i] = (byte)(object)ScalarDivide(left[i], right[i]);
					}
					return new Vector<T>(ptr);
				}
				if (typeof(T) == typeof(sbyte))
				{
					sbyte* ptr2 = stackalloc sbyte[(int)(uint)Count];
					for (int j = 0; j < Count; j++)
					{
						ptr2[j] = (sbyte)(object)ScalarDivide(left[j], right[j]);
					}
					return new Vector<T>(ptr2);
				}
				if (typeof(T) == typeof(ushort))
				{
					ushort* ptr3 = stackalloc ushort[Count];
					for (int k = 0; k < Count; k++)
					{
						ptr3[k] = (ushort)(object)ScalarDivide(left[k], right[k]);
					}
					return new Vector<T>(ptr3);
				}
				if (typeof(T) == typeof(short))
				{
					short* ptr4 = stackalloc short[Count];
					for (int l = 0; l < Count; l++)
					{
						ptr4[l] = (short)(object)ScalarDivide(left[l], right[l]);
					}
					return new Vector<T>(ptr4);
				}
				if (typeof(T) == typeof(uint))
				{
					uint* ptr5 = stackalloc uint[Count];
					for (int m = 0; m < Count; m++)
					{
						ptr5[m] = (uint)(object)ScalarDivide(left[m], right[m]);
					}
					return new Vector<T>(ptr5);
				}
				if (typeof(T) == typeof(int))
				{
					int* ptr6 = stackalloc int[Count];
					for (int n = 0; n < Count; n++)
					{
						ptr6[n] = (int)(object)ScalarDivide(left[n], right[n]);
					}
					return new Vector<T>(ptr6);
				}
				if (typeof(T) == typeof(ulong))
				{
					ulong* ptr7 = stackalloc ulong[Count];
					for (int num = 0; num < Count; num++)
					{
						ptr7[num] = (ulong)(object)ScalarDivide(left[num], right[num]);
					}
					return new Vector<T>(ptr7);
				}
				if (typeof(T) == typeof(long))
				{
					long* ptr8 = stackalloc long[Count];
					for (int num2 = 0; num2 < Count; num2++)
					{
						ptr8[num2] = (long)(object)ScalarDivide(left[num2], right[num2]);
					}
					return new Vector<T>(ptr8);
				}
				if (typeof(T) == typeof(float))
				{
					float* ptr9 = stackalloc float[Count];
					for (int num3 = 0; num3 < Count; num3++)
					{
						ptr9[num3] = (float)(object)ScalarDivide(left[num3], right[num3]);
					}
					return new Vector<T>(ptr9);
				}
				if (typeof(T) == typeof(double))
				{
					double* ptr10 = stackalloc double[Count];
					for (int num4 = 0; num4 < Count; num4++)
					{
						ptr10[num4] = (double)(object)ScalarDivide(left[num4], right[num4]);
					}
					return new Vector<T>(ptr10);
				}
				throw new NotSupportedException(System.SR.Arg_TypeNotSupported);
			}
			Vector<T> result = default(Vector<T>);
			if (typeof(T) == typeof(byte))
			{
				result.register.byte_0 = (byte)(left.register.byte_0 / right.register.byte_0);
				result.register.byte_1 = (byte)(left.register.byte_1 / right.register.byte_1);
				result.register.byte_2 = (byte)(left.register.byte_2 / right.register.byte_2);
				result.register.byte_3 = (byte)(left.register.byte_3 / right.register.byte_3);
				result.register.byte_4 = (byte)(left.register.byte_4 / right.register.byte_4);
				result.register.byte_5 = (byte)(left.register.byte_5 / right.register.byte_5);
				result.register.byte_6 = (byte)(left.register.byte_6 / right.register.byte_6);
				result.register.byte_7 = (byte)(left.register.byte_7 / right.register.byte_7);
				result.register.byte_8 = (byte)(left.register.byte_8 / right.register.byte_8);
				result.register.byte_9 = (byte)(left.register.byte_9 / right.register.byte_9);
				result.register.byte_10 = (byte)(left.register.byte_10 / right.register.byte_10);
				result.register.byte_11 = (byte)(left.register.byte_11 / right.register.byte_11);
				result.register.byte_12 = (byte)(left.register.byte_12 / right.register.byte_12);
				result.register.byte_13 = (byte)(left.register.byte_13 / right.register.byte_13);
				result.register.byte_14 = (byte)(left.register.byte_14 / right.register.byte_14);
				result.register.byte_15 = (byte)(left.register.byte_15 / right.register.byte_15);
			}
			else if (typeof(T) == typeof(sbyte))
			{
				result.register.sbyte_0 = (sbyte)(left.register.sbyte_0 / right.register.sbyte_0);
				result.register.sbyte_1 = (sbyte)(left.register.sbyte_1 / right.register.sbyte_1);
				result.register.sbyte_2 = (sbyte)(left.register.sbyte_2 / right.register.sbyte_2);
				result.register.sbyte_3 = (sbyte)(left.register.sbyte_3 / right.register.sbyte_3);
				result.register.sbyte_4 = (sbyte)(left.register.sbyte_4 / right.register.sbyte_4);
				result.register.sbyte_5 = (sbyte)(left.register.sbyte_5 / right.register.sbyte_5);
				result.register.sbyte_6 = (sbyte)(left.register.sbyte_6 / right.register.sbyte_6);
				result.register.sbyte_7 = (sbyte)(left.register.sbyte_7 / right.register.sbyte_7);
				result.register.sbyte_8 = (sbyte)(left.register.sbyte_8 / right.register.sbyte_8);
				result.register.sbyte_9 = (sbyte)(left.register.sbyte_9 / right.register.sbyte_9);
				result.register.sbyte_10 = (sbyte)(left.register.sbyte_10 / right.register.sbyte_10);
				result.register.sbyte_11 = (sbyte)(left.register.sbyte_11 / right.register.sbyte_11);
				result.register.sbyte_12 = (sbyte)(left.register.sbyte_12 / right.register.sbyte_12);
				result.register.sbyte_13 = (sbyte)(left.register.sbyte_13 / right.register.sbyte_13);
				result.register.sbyte_14 = (sbyte)(left.register.sbyte_14 / right.register.sbyte_14);
				result.register.sbyte_15 = (sbyte)(left.register.sbyte_15 / right.register.sbyte_15);
			}
			else if (typeof(T) == typeof(ushort))
			{
				result.register.uint16_0 = (ushort)(left.register.uint16_0 / right.register.uint16_0);
				result.register.uint16_1 = (ushort)(left.register.uint16_1 / right.register.uint16_1);
				result.register.uint16_2 = (ushort)(left.register.uint16_2 / right.register.uint16_2);
				result.register.uint16_3 = (ushort)(left.register.uint16_3 / right.register.uint16_3);
				result.register.uint16_4 = (ushort)(left.register.uint16_4 / right.register.uint16_4);
				result.register.uint16_5 = (ushort)(left.register.uint16_5 / right.register.uint16_5);
				result.register.uint16_6 = (ushort)(left.register.uint16_6 / right.register.uint16_6);
				result.register.uint16_7 = (ushort)(left.register.uint16_7 / right.register.uint16_7);
			}
			else if (typeof(T) == typeof(short))
			{
				result.register.int16_0 = (short)(left.register.int16_0 / right.register.int16_0);
				result.register.int16_1 = (short)(left.register.int16_1 / right.register.int16_1);
				result.register.int16_2 = (short)(left.register.int16_2 / right.register.int16_2);
				result.register.int16_3 = (short)(left.register.int16_3 / right.register.int16_3);
				result.register.int16_4 = (short)(left.register.int16_4 / right.register.int16_4);
				result.register.int16_5 = (short)(left.register.int16_5 / right.register.int16_5);
				result.register.int16_6 = (short)(left.register.int16_6 / right.register.int16_6);
				result.register.int16_7 = (short)(left.register.int16_7 / right.register.int16_7);
			}
			else if (typeof(T) == typeof(uint))
			{
				result.register.uint32_0 = left.register.uint32_0 / right.register.uint32_0;
				result.register.uint32_1 = left.register.uint32_1 / right.register.uint32_1;
				result.register.uint32_2 = left.register.uint32_2 / right.register.uint32_2;
				result.register.uint32_3 = left.register.uint32_3 / right.register.uint32_3;
			}
			else if (typeof(T) == typeof(int))
			{
				result.register.int32_0 = left.register.int32_0 / right.register.int32_0;
				result.register.int32_1 = left.register.int32_1 / right.register.int32_1;
				result.register.int32_2 = left.register.int32_2 / right.register.int32_2;
				result.register.int32_3 = left.register.int32_3 / right.register.int32_3;
			}
			else if (typeof(T) == typeof(ulong))
			{
				result.register.uint64_0 = left.register.uint64_0 / right.register.uint64_0;
				result.register.uint64_1 = left.register.uint64_1 / right.register.uint64_1;
			}
			else if (typeof(T) == typeof(long))
			{
				result.register.int64_0 = left.register.int64_0 / right.register.int64_0;
				result.register.int64_1 = left.register.int64_1 / right.register.int64_1;
			}
			else if (typeof(T) == typeof(float))
			{
				result.register.single_0 = left.register.single_0 / right.register.single_0;
				result.register.single_1 = left.register.single_1 / right.register.single_1;
				result.register.single_2 = left.register.single_2 / right.register.single_2;
				result.register.single_3 = left.register.single_3 / right.register.single_3;
			}
			else if (typeof(T) == typeof(double))
			{
				result.register.double_0 = left.register.double_0 / right.register.double_0;
				result.register.double_1 = left.register.double_1 / right.register.double_1;
			}
			return result;
		}

		public static Vector<T>operator -(Vector<T> value)
		{
			return Zero - value;
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public unsafe static Vector<T>operator &(Vector<T> left, Vector<T> right)
		{
			Vector<T> result = default(Vector<T>);
			if (Vector.IsHardwareAccelerated)
			{
				long* ptr = &result.register.int64_0;
				long* ptr2 = &left.register.int64_0;
				long* ptr3 = &right.register.int64_0;
				for (int i = 0; i < Vector<long>.Count; i++)
				{
					ptr[i] = ptr2[i] & ptr3[i];
				}
			}
			else
			{
				result.register.int64_0 = left.register.int64_0 & right.register.int64_0;
				result.register.int64_1 = left.register.int64_1 & right.register.int64_1;
			}
			return result;
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public unsafe static Vector<T>operator |(Vector<T> left, Vector<T> right)
		{
			Vector<T> result = default(Vector<T>);
			if (Vector.IsHardwareAccelerated)
			{
				long* ptr = &result.register.int64_0;
				long* ptr2 = &left.register.int64_0;
				long* ptr3 = &right.register.int64_0;
				for (int i = 0; i < Vector<long>.Count; i++)
				{
					ptr[i] = ptr2[i] | ptr3[i];
				}
			}
			else
			{
				result.register.int64_0 = left.register.int64_0 | right.register.int64_0;
				result.register.int64_1 = left.register.int64_1 | right.register.int64_1;
			}
			return result;
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public unsafe static Vector<T>operator ^(Vector<T> left, Vector<T> right)
		{
			Vector<T> result = default(Vector<T>);
			if (Vector.IsHardwareAccelerated)
			{
				long* ptr = &result.register.int64_0;
				long* ptr2 = &left.register.int64_0;
				long* ptr3 = &right.register.int64_0;
				for (int i = 0; i < Vector<long>.Count; i++)
				{
					ptr[i] = ptr2[i] ^ ptr3[i];
				}
			}
			else
			{
				result.register.int64_0 = left.register.int64_0 ^ right.register.int64_0;
				result.register.int64_1 = left.register.int64_1 ^ right.register.int64_1;
			}
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Vector<T>operator ~(Vector<T> value)
		{
			return s_allOnes ^ value;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool operator ==(Vector<T> left, Vector<T> right)
		{
			return left.Equals(right);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool operator !=(Vector<T> left, Vector<T> right)
		{
			return !(left == right);
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<byte>(Vector<T> value)
		{
			return new Vector<byte>(ref value.register);
		}

		[CLSCompliant(false)]
		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<sbyte>(Vector<T> value)
		{
			return new Vector<sbyte>(ref value.register);
		}

		[CLSCompliant(false)]
		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<ushort>(Vector<T> value)
		{
			return new Vector<ushort>(ref value.register);
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<short>(Vector<T> value)
		{
			return new Vector<short>(ref value.register);
		}

		[CLSCompliant(false)]
		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<uint>(Vector<T> value)
		{
			return new Vector<uint>(ref value.register);
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<int>(Vector<T> value)
		{
			return new Vector<int>(ref value.register);
		}

		[CLSCompliant(false)]
		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<ulong>(Vector<T> value)
		{
			return new Vector<ulong>(ref value.register);
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<long>(Vector<T> value)
		{
			return new Vector<long>(ref value.register);
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<float>(Vector<T> value)
		{
			return new Vector<float>(ref value.register);
		}

		[System.Runtime.CompilerServices.Intrinsic]
		public static explicit operator Vector<double>(Vector<T> value)
		{
			return new Vector<double>(ref value.register);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.CompilerServices.Intrinsic]
		internal unsafe static Vector<T> Equals(Vector<T> left, Vector<T> right)
		{
			if (Vector.IsHardwareAccelerated)
			{
				if (typeof(T) == typeof(byte))
				{
					byte* ptr = stackalloc byte[(int)(uint)Count];
					fo

plugins/System.Memory.dll

Decompiled a year ago
using System;
using System.Buffers;
using System.Buffers.Binary;
using System.Buffers.Text;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.Numerics;
using System.Numerics.Hashing;
using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Permissions;
using System.Text;
using FxResources.System.Memory;
using Microsoft.CodeAnalysis;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: NeutralResourcesLanguage("en-US")]
[assembly: AssemblyTitle("System.Memory")]
[assembly: AssemblyDescription("System.Memory")]
[assembly: AssemblyDefaultAlias("System.Memory")]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyProduct("Microsoft® .NET Framework")]
[assembly: AssemblyCopyright("© Microsoft Corporation. All rights reserved.")]
[assembly: AssemblyFileVersion("4.6.31308.01")]
[assembly: AssemblyInformationalVersion("4.6.31308.01 @BuiltBy: cloudtest-841353dfc000000 @Branch: release/2.1-MSRC @SrcCode: https://github.com/dotnet/corefx/tree/32b491939fbd125f304031c35038b1e14b4e3958")]
[assembly: CLSCompliant(true)]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: AssemblyMetadata("PreferInbox", "True")]
[assembly: DefaultDllImportSearchPaths(DllImportSearchPath.System32 | DllImportSearchPath.AssemblyDirectory)]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("4.0.1.2")]
[module: UnverifiableCode]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsReadOnlyAttribute : Attribute
	{
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsByRefLikeAttribute : Attribute
	{
	}
}
namespace FxResources.System.Memory
{
	internal static class SR
	{
	}
}
namespace System
{
	public readonly struct SequencePosition : IEquatable<SequencePosition>
	{
		private readonly object _object;

		private readonly int _integer;

		public SequencePosition(object @object, int integer)
		{
			_object = @object;
			_integer = integer;
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public object GetObject()
		{
			return _object;
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public int GetInteger()
		{
			return _integer;
		}

		public bool Equals(SequencePosition other)
		{
			if (_integer == other._integer)
			{
				return object.Equals(_object, other._object);
			}
			return false;
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public override bool Equals(object obj)
		{
			if (obj is SequencePosition other)
			{
				return Equals(other);
			}
			return false;
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public override int GetHashCode()
		{
			return HashHelpers.Combine(_object?.GetHashCode() ?? 0, _integer);
		}
	}
	internal static class ThrowHelper
	{
		internal static void ThrowArgumentNullException(System.ExceptionArgument argument)
		{
			throw CreateArgumentNullException(argument);
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentNullException(System.ExceptionArgument argument)
		{
			return new ArgumentNullException(argument.ToString());
		}

		internal static void ThrowArrayTypeMismatchException()
		{
			throw CreateArrayTypeMismatchException();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArrayTypeMismatchException()
		{
			return new ArrayTypeMismatchException();
		}

		internal static void ThrowArgumentException_InvalidTypeWithPointersNotSupported(Type type)
		{
			throw CreateArgumentException_InvalidTypeWithPointersNotSupported(type);
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentException_InvalidTypeWithPointersNotSupported(Type type)
		{
			return new ArgumentException(System.SR.Format(System.SR.Argument_InvalidTypeWithPointersNotSupported, type));
		}

		internal static void ThrowArgumentException_DestinationTooShort()
		{
			throw CreateArgumentException_DestinationTooShort();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentException_DestinationTooShort()
		{
			return new ArgumentException(System.SR.Argument_DestinationTooShort);
		}

		internal static void ThrowIndexOutOfRangeException()
		{
			throw CreateIndexOutOfRangeException();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateIndexOutOfRangeException()
		{
			return new IndexOutOfRangeException();
		}

		internal static void ThrowArgumentOutOfRangeException()
		{
			throw CreateArgumentOutOfRangeException();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentOutOfRangeException()
		{
			return new ArgumentOutOfRangeException();
		}

		internal static void ThrowArgumentOutOfRangeException(System.ExceptionArgument argument)
		{
			throw CreateArgumentOutOfRangeException(argument);
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentOutOfRangeException(System.ExceptionArgument argument)
		{
			return new ArgumentOutOfRangeException(argument.ToString());
		}

		internal static void ThrowArgumentOutOfRangeException_PrecisionTooLarge()
		{
			throw CreateArgumentOutOfRangeException_PrecisionTooLarge();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentOutOfRangeException_PrecisionTooLarge()
		{
			return new ArgumentOutOfRangeException("precision", System.SR.Format(System.SR.Argument_PrecisionTooLarge, (byte)99));
		}

		internal static void ThrowArgumentOutOfRangeException_SymbolDoesNotFit()
		{
			throw CreateArgumentOutOfRangeException_SymbolDoesNotFit();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentOutOfRangeException_SymbolDoesNotFit()
		{
			return new ArgumentOutOfRangeException("symbol", System.SR.Argument_BadFormatSpecifier);
		}

		internal static void ThrowInvalidOperationException()
		{
			throw CreateInvalidOperationException();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateInvalidOperationException()
		{
			return new InvalidOperationException();
		}

		internal static void ThrowInvalidOperationException_OutstandingReferences()
		{
			throw CreateInvalidOperationException_OutstandingReferences();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateInvalidOperationException_OutstandingReferences()
		{
			return new InvalidOperationException(System.SR.OutstandingReferences);
		}

		internal static void ThrowInvalidOperationException_UnexpectedSegmentType()
		{
			throw CreateInvalidOperationException_UnexpectedSegmentType();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateInvalidOperationException_UnexpectedSegmentType()
		{
			return new InvalidOperationException(System.SR.UnexpectedSegmentType);
		}

		internal static void ThrowInvalidOperationException_EndPositionNotReached()
		{
			throw CreateInvalidOperationException_EndPositionNotReached();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateInvalidOperationException_EndPositionNotReached()
		{
			return new InvalidOperationException(System.SR.EndPositionNotReached);
		}

		internal static void ThrowArgumentOutOfRangeException_PositionOutOfRange()
		{
			throw CreateArgumentOutOfRangeException_PositionOutOfRange();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentOutOfRangeException_PositionOutOfRange()
		{
			return new ArgumentOutOfRangeException("position");
		}

		internal static void ThrowArgumentOutOfRangeException_OffsetOutOfRange()
		{
			throw CreateArgumentOutOfRangeException_OffsetOutOfRange();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentOutOfRangeException_OffsetOutOfRange()
		{
			return new ArgumentOutOfRangeException("offset");
		}

		internal static void ThrowObjectDisposedException_ArrayMemoryPoolBuffer()
		{
			throw CreateObjectDisposedException_ArrayMemoryPoolBuffer();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateObjectDisposedException_ArrayMemoryPoolBuffer()
		{
			return new ObjectDisposedException("ArrayMemoryPoolBuffer");
		}

		internal static void ThrowFormatException_BadFormatSpecifier()
		{
			throw CreateFormatException_BadFormatSpecifier();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateFormatException_BadFormatSpecifier()
		{
			return new FormatException(System.SR.Argument_BadFormatSpecifier);
		}

		internal static void ThrowArgumentException_OverlapAlignmentMismatch()
		{
			throw CreateArgumentException_OverlapAlignmentMismatch();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateArgumentException_OverlapAlignmentMismatch()
		{
			return new ArgumentException(System.SR.Argument_OverlapAlignmentMismatch);
		}

		internal static void ThrowNotSupportedException()
		{
			throw CreateThrowNotSupportedException();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static Exception CreateThrowNotSupportedException()
		{
			return new NotSupportedException();
		}

		public static bool TryFormatThrowFormatException(out int bytesWritten)
		{
			bytesWritten = 0;
			ThrowFormatException_BadFormatSpecifier();
			return false;
		}

		public static bool TryParseThrowFormatException<T>(out T value, out int bytesConsumed)
		{
			value = default(T);
			bytesConsumed = 0;
			ThrowFormatException_BadFormatSpecifier();
			return false;
		}

		public static void ThrowArgumentValidationException<T>(ReadOnlySequenceSegment<T> startSegment, int startIndex, ReadOnlySequenceSegment<T> endSegment)
		{
			throw CreateArgumentValidationException(startSegment, startIndex, endSegment);
		}

		private static Exception CreateArgumentValidationException<T>(ReadOnlySequenceSegment<T> startSegment, int startIndex, ReadOnlySequenceSegment<T> endSegment)
		{
			if (startSegment == null)
			{
				return CreateArgumentNullException(System.ExceptionArgument.startSegment);
			}
			if (endSegment == null)
			{
				return CreateArgumentNullException(System.ExceptionArgument.endSegment);
			}
			if (startSegment != endSegment && startSegment.RunningIndex > endSegment.RunningIndex)
			{
				return CreateArgumentOutOfRangeException(System.ExceptionArgument.endSegment);
			}
			if ((uint)startSegment.Memory.Length < (uint)startIndex)
			{
				return CreateArgumentOutOfRangeException(System.ExceptionArgument.startIndex);
			}
			return CreateArgumentOutOfRangeException(System.ExceptionArgument.endIndex);
		}

		public static void ThrowArgumentValidationException(Array array, int start)
		{
			throw CreateArgumentValidationException(array, start);
		}

		private static Exception CreateArgumentValidationException(Array array, int start)
		{
			if (array == null)
			{
				return CreateArgumentNullException(System.ExceptionArgument.array);
			}
			if ((uint)start > (uint)array.Length)
			{
				return CreateArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return CreateArgumentOutOfRangeException(System.ExceptionArgument.length);
		}

		public static void ThrowStartOrEndArgumentValidationException(long start)
		{
			throw CreateStartOrEndArgumentValidationException(start);
		}

		private static Exception CreateStartOrEndArgumentValidationException(long start)
		{
			if (start < 0)
			{
				return CreateArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return CreateArgumentOutOfRangeException(System.ExceptionArgument.length);
		}
	}
	internal enum ExceptionArgument
	{
		length,
		start,
		minimumBufferSize,
		elementIndex,
		comparable,
		comparer,
		destination,
		offset,
		startSegment,
		endSegment,
		startIndex,
		endIndex,
		array,
		culture,
		manager
	}
	internal static class DecimalDecCalc
	{
		private static uint D32DivMod1E9(uint hi32, ref uint lo32)
		{
			ulong num = ((ulong)hi32 << 32) | lo32;
			lo32 = (uint)(num / 1000000000);
			return (uint)(num % 1000000000);
		}

		internal static uint DecDivMod1E9(ref MutableDecimal value)
		{
			return D32DivMod1E9(D32DivMod1E9(D32DivMod1E9(0u, ref value.High), ref value.Mid), ref value.Low);
		}

		internal static void DecAddInt32(ref MutableDecimal value, uint i)
		{
			if (D32AddCarry(ref value.Low, i) && D32AddCarry(ref value.Mid, 1u))
			{
				D32AddCarry(ref value.High, 1u);
			}
		}

		private static bool D32AddCarry(ref uint value, uint i)
		{
			uint num = value;
			uint num2 = (value = num + i);
			if (num2 >= num)
			{
				return num2 < i;
			}
			return true;
		}

		internal static void DecMul10(ref MutableDecimal value)
		{
			MutableDecimal d = value;
			DecShiftLeft(ref value);
			DecShiftLeft(ref value);
			DecAdd(ref value, d);
			DecShiftLeft(ref value);
		}

		private static void DecShiftLeft(ref MutableDecimal value)
		{
			uint num = (((value.Low & 0x80000000u) != 0) ? 1u : 0u);
			uint num2 = (((value.Mid & 0x80000000u) != 0) ? 1u : 0u);
			value.Low <<= 1;
			value.Mid = (value.Mid << 1) | num;
			value.High = (value.High << 1) | num2;
		}

		private static void DecAdd(ref MutableDecimal value, MutableDecimal d)
		{
			if (D32AddCarry(ref value.Low, d.Low) && D32AddCarry(ref value.Mid, 1u))
			{
				D32AddCarry(ref value.High, 1u);
			}
			if (D32AddCarry(ref value.Mid, d.Mid))
			{
				D32AddCarry(ref value.High, 1u);
			}
			D32AddCarry(ref value.High, d.High);
		}
	}
	internal static class Number
	{
		private static class DoubleHelper
		{
			public unsafe static uint Exponent(double d)
			{
				return (*(uint*)((byte*)(&d) + 4) >> 20) & 0x7FFu;
			}

			public unsafe static ulong Mantissa(double d)
			{
				return *(uint*)(&d) | ((ulong)(uint)(*(int*)((byte*)(&d) + 4) & 0xFFFFF) << 32);
			}

			public unsafe static bool Sign(double d)
			{
				return *(uint*)((byte*)(&d) + 4) >> 31 != 0;
			}
		}

		internal const int DECIMAL_PRECISION = 29;

		private static readonly ulong[] s_rgval64Power10 = new ulong[30]
		{
			11529215046068469760uL, 14411518807585587200uL, 18014398509481984000uL, 11258999068426240000uL, 14073748835532800000uL, 17592186044416000000uL, 10995116277760000000uL, 13743895347200000000uL, 17179869184000000000uL, 10737418240000000000uL,
			13421772800000000000uL, 16777216000000000000uL, 10485760000000000000uL, 13107200000000000000uL, 16384000000000000000uL, 14757395258967641293uL, 11805916207174113035uL, 9444732965739290428uL, 15111572745182864686uL, 12089258196146291749uL,
			9671406556917033399uL, 15474250491067253438uL, 12379400392853802751uL, 9903520314283042201uL, 15845632502852867522uL, 12676506002282294018uL, 10141204801825835215uL, 16225927682921336344uL, 12980742146337069075uL, 10384593717069655260uL
		};

		private static readonly sbyte[] s_rgexp64Power10 = new sbyte[15]
		{
			4, 7, 10, 14, 17, 20, 24, 27, 30, 34,
			37, 40, 44, 47, 50
		};

		private static readonly ulong[] s_rgval64Power10By16 = new ulong[42]
		{
			10240000000000000000uL, 11368683772161602974uL, 12621774483536188886uL, 14012984643248170708uL, 15557538194652854266uL, 17272337110188889248uL, 9588073174409622172uL, 10644899600020376798uL, 11818212630765741798uL, 13120851772591970216uL,
			14567071740625403792uL, 16172698447808779622uL, 17955302187076837696uL, 9967194951097567532uL, 11065809325636130658uL, 12285516299433008778uL, 13639663065038175358uL, 15143067982934716296uL, 16812182738118149112uL, 9332636185032188787uL,
			10361307573072618722uL, 16615349947311448416uL, 14965776766268445891uL, 13479973333575319909uL, 12141680576410806707uL, 10936253623915059637uL, 9850501549098619819uL, 17745086042373215136uL, 15983352577617880260uL, 14396524142538228461uL,
			12967236152753103031uL, 11679847981112819795uL, 10520271803096747049uL, 9475818434452569218uL, 17070116948172427008uL, 15375394465392026135uL, 13848924157002783096uL, 12474001934591998882uL, 11235582092889474480uL, 10120112665365530972uL,
			18230774251475056952uL, 16420821625123739930uL
		};

		private static readonly short[] s_rgexp64Power10By16 = new short[21]
		{
			54, 107, 160, 213, 266, 319, 373, 426, 479, 532,
			585, 638, 691, 745, 798, 851, 904, 957, 1010, 1064,
			1117
		};

		public static void RoundNumber(ref NumberBuffer number, int pos)
		{
			Span<byte> digits = number.Digits;
			int i;
			for (i = 0; i < pos && digits[i] != 0; i++)
			{
			}
			if (i == pos && digits[i] >= 53)
			{
				while (i > 0 && digits[i - 1] == 57)
				{
					i--;
				}
				if (i > 0)
				{
					digits[i - 1]++;
				}
				else
				{
					number.Scale++;
					digits[0] = 49;
					i = 1;
				}
			}
			else
			{
				while (i > 0 && digits[i - 1] == 48)
				{
					i--;
				}
			}
			if (i == 0)
			{
				number.Scale = 0;
				number.IsNegative = false;
			}
			digits[i] = 0;
		}

		internal static bool NumberBufferToDouble(ref NumberBuffer number, out double value)
		{
			double num = NumberToDouble(ref number);
			uint num2 = DoubleHelper.Exponent(num);
			ulong num3 = DoubleHelper.Mantissa(num);
			switch (num2)
			{
			case 2047u:
				value = 0.0;
				return false;
			case 0u:
				if (num3 == 0L)
				{
					num = 0.0;
				}
				break;
			}
			value = num;
			return true;
		}

		public unsafe static bool NumberBufferToDecimal(ref NumberBuffer number, ref decimal value)
		{
			MutableDecimal source = default(MutableDecimal);
			byte* ptr = number.UnsafeDigits;
			int num = number.Scale;
			if (*ptr == 0)
			{
				if (num > 0)
				{
					num = 0;
				}
			}
			else
			{
				if (num > 29)
				{
					return false;
				}
				while ((num > 0 || (*ptr != 0 && num > -28)) && (source.High < 429496729 || (source.High == 429496729 && (source.Mid < 2576980377u || (source.Mid == 2576980377u && (source.Low < 2576980377u || (source.Low == 2576980377u && *ptr <= 53)))))))
				{
					DecimalDecCalc.DecMul10(ref source);
					if (*ptr != 0)
					{
						DecimalDecCalc.DecAddInt32(ref source, (uint)(*(ptr++) - 48));
					}
					num--;
				}
				if (*(ptr++) >= 53)
				{
					bool flag = true;
					if (*(ptr - 1) == 53 && *(ptr - 2) % 2 == 0)
					{
						int num2 = 20;
						while (*ptr == 48 && num2 != 0)
						{
							ptr++;
							num2--;
						}
						if (*ptr == 0 || num2 == 0)
						{
							flag = false;
						}
					}
					if (flag)
					{
						DecimalDecCalc.DecAddInt32(ref source, 1u);
						if ((source.High | source.Mid | source.Low) == 0)
						{
							source.High = 429496729u;
							source.Mid = 2576980377u;
							source.Low = 2576980378u;
							num++;
						}
					}
				}
			}
			if (num > 0)
			{
				return false;
			}
			if (num <= -29)
			{
				source.High = 0u;
				source.Low = 0u;
				source.Mid = 0u;
				source.Scale = 28;
			}
			else
			{
				source.Scale = -num;
			}
			source.IsNegative = number.IsNegative;
			value = Unsafe.As<MutableDecimal, decimal>(ref source);
			return true;
		}

		public static void DecimalToNumber(decimal value, ref NumberBuffer number)
		{
			ref MutableDecimal reference = ref Unsafe.As<decimal, MutableDecimal>(ref value);
			Span<byte> digits = number.Digits;
			number.IsNegative = reference.IsNegative;
			int num = 29;
			while ((reference.Mid != 0) | (reference.High != 0))
			{
				uint num2 = DecimalDecCalc.DecDivMod1E9(ref reference);
				for (int i = 0; i < 9; i++)
				{
					digits[--num] = (byte)(num2 % 10 + 48);
					num2 /= 10;
				}
			}
			for (uint num3 = reference.Low; num3 != 0; num3 /= 10)
			{
				digits[--num] = (byte)(num3 % 10 + 48);
			}
			int num4 = 29 - num;
			number.Scale = num4 - reference.Scale;
			Span<byte> digits2 = number.Digits;
			int index = 0;
			while (--num4 >= 0)
			{
				digits2[index++] = digits[num++];
			}
			digits2[index] = 0;
		}

		private static uint DigitsToInt(ReadOnlySpan<byte> digits, int count)
		{
			uint value;
			int bytesConsumed;
			bool flag = Utf8Parser.TryParse(digits.Slice(0, count), out value, out bytesConsumed, 'D');
			return value;
		}

		private static ulong Mul32x32To64(uint a, uint b)
		{
			return (ulong)a * (ulong)b;
		}

		private static ulong Mul64Lossy(ulong a, ulong b, ref int pexp)
		{
			ulong num = Mul32x32To64((uint)(a >> 32), (uint)(b >> 32)) + (Mul32x32To64((uint)(a >> 32), (uint)b) >> 32) + (Mul32x32To64((uint)a, (uint)(b >> 32)) >> 32);
			if ((num & 0x8000000000000000uL) == 0L)
			{
				num <<= 1;
				pexp--;
			}
			return num;
		}

		private static int abs(int value)
		{
			if (value < 0)
			{
				return -value;
			}
			return value;
		}

		private unsafe static double NumberToDouble(ref NumberBuffer number)
		{
			ReadOnlySpan<byte> digits = number.Digits;
			int i = 0;
			int numDigits = number.NumDigits;
			int num = numDigits;
			for (; digits[i] == 48; i++)
			{
				num--;
			}
			if (num == 0)
			{
				return 0.0;
			}
			int num2 = Math.Min(num, 9);
			num -= num2;
			ulong num3 = DigitsToInt(digits, num2);
			if (num > 0)
			{
				num2 = Math.Min(num, 9);
				num -= num2;
				uint b = (uint)(s_rgval64Power10[num2 - 1] >> 64 - s_rgexp64Power10[num2 - 1]);
				num3 = Mul32x32To64((uint)num3, b) + DigitsToInt(digits.Slice(9), num2);
			}
			int num4 = number.Scale - (numDigits - num);
			int num5 = abs(num4);
			if (num5 >= 352)
			{
				ulong num6 = ((num4 > 0) ? 9218868437227405312uL : 0);
				if (number.IsNegative)
				{
					num6 |= 0x8000000000000000uL;
				}
				return *(double*)(&num6);
			}
			int pexp = 64;
			if ((num3 & 0xFFFFFFFF00000000uL) == 0L)
			{
				num3 <<= 32;
				pexp -= 32;
			}
			if ((num3 & 0xFFFF000000000000uL) == 0L)
			{
				num3 <<= 16;
				pexp -= 16;
			}
			if ((num3 & 0xFF00000000000000uL) == 0L)
			{
				num3 <<= 8;
				pexp -= 8;
			}
			if ((num3 & 0xF000000000000000uL) == 0L)
			{
				num3 <<= 4;
				pexp -= 4;
			}
			if ((num3 & 0xC000000000000000uL) == 0L)
			{
				num3 <<= 2;
				pexp -= 2;
			}
			if ((num3 & 0x8000000000000000uL) == 0L)
			{
				num3 <<= 1;
				pexp--;
			}
			int num7 = num5 & 0xF;
			if (num7 != 0)
			{
				int num8 = s_rgexp64Power10[num7 - 1];
				pexp += ((num4 < 0) ? (-num8 + 1) : num8);
				ulong b2 = s_rgval64Power10[num7 + ((num4 < 0) ? 15 : 0) - 1];
				num3 = Mul64Lossy(num3, b2, ref pexp);
			}
			num7 = num5 >> 4;
			if (num7 != 0)
			{
				int num9 = s_rgexp64Power10By16[num7 - 1];
				pexp += ((num4 < 0) ? (-num9 + 1) : num9);
				ulong b3 = s_rgval64Power10By16[num7 + ((num4 < 0) ? 21 : 0) - 1];
				num3 = Mul64Lossy(num3, b3, ref pexp);
			}
			if (((uint)(int)num3 & 0x400u) != 0)
			{
				ulong num10 = num3 + 1023 + (ulong)(((int)num3 >> 11) & 1);
				if (num10 < num3)
				{
					num10 = (num10 >> 1) | 0x8000000000000000uL;
					pexp++;
				}
				num3 = num10;
			}
			pexp += 1022;
			num3 = ((pexp <= 0) ? ((pexp == -52 && num3 >= 9223372036854775896uL) ? 1 : ((pexp > -52) ? (num3 >> -pexp + 11 + 1) : 0)) : ((pexp < 2047) ? ((ulong)((long)pexp << 52) + ((num3 >> 11) & 0xFFFFFFFFFFFFFL)) : 9218868437227405312uL));
			if (number.IsNegative)
			{
				num3 |= 0x8000000000000000uL;
			}
			return *(double*)(&num3);
		}
	}
	internal ref struct NumberBuffer
	{
		public int Scale;

		public bool IsNegative;

		public const int BufferSize = 51;

		private byte _b0;

		private byte _b1;

		private byte _b2;

		private byte _b3;

		private byte _b4;

		private byte _b5;

		private byte _b6;

		private byte _b7;

		private byte _b8;

		private byte _b9;

		private byte _b10;

		private byte _b11;

		private byte _b12;

		private byte _b13;

		private byte _b14;

		private byte _b15;

		private byte _b16;

		private byte _b17;

		private byte _b18;

		private byte _b19;

		private byte _b20;

		private byte _b21;

		private byte _b22;

		private byte _b23;

		private byte _b24;

		private byte _b25;

		private byte _b26;

		private byte _b27;

		private byte _b28;

		private byte _b29;

		private byte _b30;

		private byte _b31;

		private byte _b32;

		private byte _b33;

		private byte _b34;

		private byte _b35;

		private byte _b36;

		private byte _b37;

		private byte _b38;

		private byte _b39;

		private byte _b40;

		private byte _b41;

		private byte _b42;

		private byte _b43;

		private byte _b44;

		private byte _b45;

		private byte _b46;

		private byte _b47;

		private byte _b48;

		private byte _b49;

		private byte _b50;

		public unsafe Span<byte> Digits => new Span<byte>(Unsafe.AsPointer(ref _b0), 51);

		public unsafe byte* UnsafeDigits => (byte*)Unsafe.AsPointer(ref _b0);

		public int NumDigits => Digits.IndexOf<byte>(0);

		[Conditional("DEBUG")]
		public void CheckConsistency()
		{
		}

		public override string ToString()
		{
			StringBuilder stringBuilder = new StringBuilder();
			stringBuilder.Append('[');
			stringBuilder.Append('"');
			Span<byte> digits = Digits;
			for (int i = 0; i < 51; i++)
			{
				byte b = digits[i];
				if (b == 0)
				{
					break;
				}
				stringBuilder.Append((char)b);
			}
			stringBuilder.Append('"');
			stringBuilder.Append(", Scale = " + Scale);
			stringBuilder.Append(", IsNegative   = " + IsNegative);
			stringBuilder.Append(']');
			return stringBuilder.ToString();
		}
	}
	[DebuggerTypeProxy(typeof(System.MemoryDebugView<>))]
	[DebuggerDisplay("{ToString(),raw}")]
	public readonly struct Memory<T>
	{
		private readonly object _object;

		private readonly int _index;

		private readonly int _length;

		private const int RemoveFlagsBitMask = int.MaxValue;

		public static Memory<T> Empty => default(Memory<T>);

		public int Length => _length & 0x7FFFFFFF;

		public bool IsEmpty => (_length & 0x7FFFFFFF) == 0;

		public Span<T> Span
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				Span<T> result;
				if (_index < 0)
				{
					result = ((MemoryManager<T>)_object).GetSpan();
					return result.Slice(_index & 0x7FFFFFFF, _length);
				}
				if (typeof(T) == typeof(char) && _object is string text)
				{
					result = new Span<T>(Unsafe.As<Pinnable<T>>(text), MemoryExtensions.StringAdjustment, text.Length);
					return result.Slice(_index, _length);
				}
				if (_object != null)
				{
					return new Span<T>((T[])_object, _index, _length & 0x7FFFFFFF);
				}
				result = default(Span<T>);
				return result;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public Memory(T[] array)
		{
			if (array == null)
			{
				this = default(Memory<T>);
				return;
			}
			if (default(T) == null && array.GetType() != typeof(T[]))
			{
				System.ThrowHelper.ThrowArrayTypeMismatchException();
			}
			_object = array;
			_index = 0;
			_length = array.Length;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal Memory(T[] array, int start)
		{
			if (array == null)
			{
				if (start != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException();
				}
				this = default(Memory<T>);
				return;
			}
			if (default(T) == null && array.GetType() != typeof(T[]))
			{
				System.ThrowHelper.ThrowArrayTypeMismatchException();
			}
			if ((uint)start > (uint)array.Length)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException();
			}
			_object = array;
			_index = start;
			_length = array.Length - start;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public Memory(T[] array, int start, int length)
		{
			if (array == null)
			{
				if (start != 0 || length != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException();
				}
				this = default(Memory<T>);
				return;
			}
			if (default(T) == null && array.GetType() != typeof(T[]))
			{
				System.ThrowHelper.ThrowArrayTypeMismatchException();
			}
			if ((uint)start > (uint)array.Length || (uint)length > (uint)(array.Length - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException();
			}
			_object = array;
			_index = start;
			_length = length;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal Memory(MemoryManager<T> manager, int length)
		{
			if (length < 0)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException();
			}
			_object = manager;
			_index = int.MinValue;
			_length = length;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal Memory(MemoryManager<T> manager, int start, int length)
		{
			if (length < 0 || start < 0)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException();
			}
			_object = manager;
			_index = start | int.MinValue;
			_length = length;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal Memory(object obj, int start, int length)
		{
			_object = obj;
			_index = start;
			_length = length;
		}

		public static implicit operator Memory<T>(T[] array)
		{
			return new Memory<T>(array);
		}

		public static implicit operator Memory<T>(ArraySegment<T> segment)
		{
			return new Memory<T>(segment.Array, segment.Offset, segment.Count);
		}

		public static implicit operator ReadOnlyMemory<T>(Memory<T> memory)
		{
			return Unsafe.As<Memory<T>, ReadOnlyMemory<T>>(ref memory);
		}

		public override string ToString()
		{
			if (typeof(T) == typeof(char))
			{
				if (!(_object is string text))
				{
					return Span.ToString();
				}
				return text.Substring(_index, _length & 0x7FFFFFFF);
			}
			return $"System.Memory<{typeof(T).Name}>[{_length & 0x7FFFFFFF}]";
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public Memory<T> Slice(int start)
		{
			int length = _length;
			int num = length & 0x7FFFFFFF;
			if ((uint)start > (uint)num)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return new Memory<T>(_object, _index + start, length - start);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public Memory<T> Slice(int start, int length)
		{
			int length2 = _length;
			int num = length2 & 0x7FFFFFFF;
			if ((uint)start > (uint)num || (uint)length > (uint)(num - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException();
			}
			return new Memory<T>(_object, _index + start, length | (length2 & int.MinValue));
		}

		public void CopyTo(Memory<T> destination)
		{
			Span.CopyTo(destination.Span);
		}

		public bool TryCopyTo(Memory<T> destination)
		{
			return Span.TryCopyTo(destination.Span);
		}

		public unsafe MemoryHandle Pin()
		{
			if (_index < 0)
			{
				return ((MemoryManager<T>)_object).Pin(_index & 0x7FFFFFFF);
			}
			if (typeof(T) == typeof(char) && _object is string value)
			{
				GCHandle handle = GCHandle.Alloc(value, GCHandleType.Pinned);
				void* pointer = Unsafe.Add<T>((void*)handle.AddrOfPinnedObject(), _index);
				return new MemoryHandle(pointer, handle);
			}
			if (_object is T[] array)
			{
				if (_length < 0)
				{
					void* pointer2 = Unsafe.Add<T>(Unsafe.AsPointer(ref MemoryMarshal.GetReference<T>(array)), _index);
					return new MemoryHandle(pointer2);
				}
				GCHandle handle2 = GCHandle.Alloc(array, GCHandleType.Pinned);
				void* pointer3 = Unsafe.Add<T>((void*)handle2.AddrOfPinnedObject(), _index);
				return new MemoryHandle(pointer3, handle2);
			}
			return default(MemoryHandle);
		}

		public T[] ToArray()
		{
			return Span.ToArray();
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public override bool Equals(object obj)
		{
			if (obj is ReadOnlyMemory<T> readOnlyMemory)
			{
				return readOnlyMemory.Equals(this);
			}
			if (obj is Memory<T> other)
			{
				return Equals(other);
			}
			return false;
		}

		public bool Equals(Memory<T> other)
		{
			if (_object == other._object && _index == other._index)
			{
				return _length == other._length;
			}
			return false;
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public override int GetHashCode()
		{
			if (_object == null)
			{
				return 0;
			}
			int hashCode = _object.GetHashCode();
			int index = _index;
			int hashCode2 = index.GetHashCode();
			index = _length;
			return CombineHashCodes(hashCode, hashCode2, index.GetHashCode());
		}

		private static int CombineHashCodes(int left, int right)
		{
			return ((left << 5) + left) ^ right;
		}

		private static int CombineHashCodes(int h1, int h2, int h3)
		{
			return CombineHashCodes(CombineHashCodes(h1, h2), h3);
		}
	}
	internal sealed class MemoryDebugView<T>
	{
		private readonly ReadOnlyMemory<T> _memory;

		[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
		public T[] Items => _memory.ToArray();

		public MemoryDebugView(Memory<T> memory)
		{
			_memory = memory;
		}

		public MemoryDebugView(ReadOnlyMemory<T> memory)
		{
			_memory = memory;
		}
	}
	public static class MemoryExtensions
	{
		internal static readonly IntPtr StringAdjustment = MeasureStringAdjustment();

		public static ReadOnlySpan<char> Trim(this ReadOnlySpan<char> span)
		{
			return span.TrimStart().TrimEnd();
		}

		public static ReadOnlySpan<char> TrimStart(this ReadOnlySpan<char> span)
		{
			int i;
			for (i = 0; i < span.Length && char.IsWhiteSpace(span[i]); i++)
			{
			}
			return span.Slice(i);
		}

		public static ReadOnlySpan<char> TrimEnd(this ReadOnlySpan<char> span)
		{
			int num = span.Length - 1;
			while (num >= 0 && char.IsWhiteSpace(span[num]))
			{
				num--;
			}
			return span.Slice(0, num + 1);
		}

		public static ReadOnlySpan<char> Trim(this ReadOnlySpan<char> span, char trimChar)
		{
			return span.TrimStart(trimChar).TrimEnd(trimChar);
		}

		public static ReadOnlySpan<char> TrimStart(this ReadOnlySpan<char> span, char trimChar)
		{
			int i;
			for (i = 0; i < span.Length && span[i] == trimChar; i++)
			{
			}
			return span.Slice(i);
		}

		public static ReadOnlySpan<char> TrimEnd(this ReadOnlySpan<char> span, char trimChar)
		{
			int num = span.Length - 1;
			while (num >= 0 && span[num] == trimChar)
			{
				num--;
			}
			return span.Slice(0, num + 1);
		}

		public static ReadOnlySpan<char> Trim(this ReadOnlySpan<char> span, ReadOnlySpan<char> trimChars)
		{
			return span.TrimStart(trimChars).TrimEnd(trimChars);
		}

		public static ReadOnlySpan<char> TrimStart(this ReadOnlySpan<char> span, ReadOnlySpan<char> trimChars)
		{
			if (trimChars.IsEmpty)
			{
				return span.TrimStart();
			}
			int i;
			for (i = 0; i < span.Length; i++)
			{
				int num = 0;
				while (num < trimChars.Length)
				{
					if (span[i] != trimChars[num])
					{
						num++;
						continue;
					}
					goto IL_003c;
				}
				break;
				IL_003c:;
			}
			return span.Slice(i);
		}

		public static ReadOnlySpan<char> TrimEnd(this ReadOnlySpan<char> span, ReadOnlySpan<char> trimChars)
		{
			if (trimChars.IsEmpty)
			{
				return span.TrimEnd();
			}
			int num;
			for (num = span.Length - 1; num >= 0; num--)
			{
				int num2 = 0;
				while (num2 < trimChars.Length)
				{
					if (span[num] != trimChars[num2])
					{
						num2++;
						continue;
					}
					goto IL_0044;
				}
				break;
				IL_0044:;
			}
			return span.Slice(0, num + 1);
		}

		public static bool IsWhiteSpace(this ReadOnlySpan<char> span)
		{
			for (int i = 0; i < span.Length; i++)
			{
				if (!char.IsWhiteSpace(span[i]))
				{
					return false;
				}
			}
			return true;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOf<T>(this Span<T> span, T value) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOf(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value), span.Length);
			}
			if (typeof(T) == typeof(char))
			{
				return System.SpanHelpers.IndexOf(ref Unsafe.As<T, char>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, char>(ref value), span.Length);
			}
			return System.SpanHelpers.IndexOf(ref MemoryMarshal.GetReference(span), value, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOf<T>(this Span<T> span, ReadOnlySpan<T> value) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOf(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(value)), value.Length);
			}
			return System.SpanHelpers.IndexOf(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(value), value.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOf<T>(this Span<T> span, T value) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOf(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value), span.Length);
			}
			if (typeof(T) == typeof(char))
			{
				return System.SpanHelpers.LastIndexOf(ref Unsafe.As<T, char>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, char>(ref value), span.Length);
			}
			return System.SpanHelpers.LastIndexOf(ref MemoryMarshal.GetReference(span), value, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOf<T>(this Span<T> span, ReadOnlySpan<T> value) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOf(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(value)), value.Length);
			}
			return System.SpanHelpers.LastIndexOf(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(value), value.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool SequenceEqual<T>(this Span<T> span, ReadOnlySpan<T> other) where T : IEquatable<T>
		{
			int length = span.Length;
			if (default(T) != null && IsTypeComparableAsBytes<T>(out var size))
			{
				if (length == other.Length)
				{
					return System.SpanHelpers.SequenceEqual(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(other)), (NUInt)length * size);
				}
				return false;
			}
			if (length == other.Length)
			{
				return System.SpanHelpers.SequenceEqual(ref MemoryMarshal.GetReference(span), ref MemoryMarshal.GetReference(other), length);
			}
			return false;
		}

		public static int SequenceCompareTo<T>(this Span<T> span, ReadOnlySpan<T> other) where T : IComparable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.SequenceCompareTo(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(other)), other.Length);
			}
			if (typeof(T) == typeof(char))
			{
				return System.SpanHelpers.SequenceCompareTo(ref Unsafe.As<T, char>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, char>(ref MemoryMarshal.GetReference(other)), other.Length);
			}
			return System.SpanHelpers.SequenceCompareTo(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(other), other.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOf<T>(this ReadOnlySpan<T> span, T value) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOf(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value), span.Length);
			}
			if (typeof(T) == typeof(char))
			{
				return System.SpanHelpers.IndexOf(ref Unsafe.As<T, char>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, char>(ref value), span.Length);
			}
			return System.SpanHelpers.IndexOf(ref MemoryMarshal.GetReference(span), value, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOf<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> value) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOf(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(value)), value.Length);
			}
			return System.SpanHelpers.IndexOf(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(value), value.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOf<T>(this ReadOnlySpan<T> span, T value) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOf(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value), span.Length);
			}
			if (typeof(T) == typeof(char))
			{
				return System.SpanHelpers.LastIndexOf(ref Unsafe.As<T, char>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, char>(ref value), span.Length);
			}
			return System.SpanHelpers.LastIndexOf(ref MemoryMarshal.GetReference(span), value, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOf<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> value) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOf(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(value)), value.Length);
			}
			return System.SpanHelpers.LastIndexOf(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(value), value.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOfAny<T>(this Span<T> span, T value0, T value1) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value0), Unsafe.As<T, byte>(ref value1), span.Length);
			}
			return System.SpanHelpers.IndexOfAny(ref MemoryMarshal.GetReference(span), value0, value1, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOfAny<T>(this Span<T> span, T value0, T value1, T value2) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value0), Unsafe.As<T, byte>(ref value1), Unsafe.As<T, byte>(ref value2), span.Length);
			}
			return System.SpanHelpers.IndexOfAny(ref MemoryMarshal.GetReference(span), value0, value1, value2, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOfAny<T>(this Span<T> span, ReadOnlySpan<T> values) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(values)), values.Length);
			}
			return System.SpanHelpers.IndexOfAny(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(values), values.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOfAny<T>(this ReadOnlySpan<T> span, T value0, T value1) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value0), Unsafe.As<T, byte>(ref value1), span.Length);
			}
			return System.SpanHelpers.IndexOfAny(ref MemoryMarshal.GetReference(span), value0, value1, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOfAny<T>(this ReadOnlySpan<T> span, T value0, T value1, T value2) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value0), Unsafe.As<T, byte>(ref value1), Unsafe.As<T, byte>(ref value2), span.Length);
			}
			return System.SpanHelpers.IndexOfAny(ref MemoryMarshal.GetReference(span), value0, value1, value2, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int IndexOfAny<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> values) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.IndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(values)), values.Length);
			}
			return System.SpanHelpers.IndexOfAny(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(values), values.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOfAny<T>(this Span<T> span, T value0, T value1) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value0), Unsafe.As<T, byte>(ref value1), span.Length);
			}
			return System.SpanHelpers.LastIndexOfAny(ref MemoryMarshal.GetReference(span), value0, value1, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOfAny<T>(this Span<T> span, T value0, T value1, T value2) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value0), Unsafe.As<T, byte>(ref value1), Unsafe.As<T, byte>(ref value2), span.Length);
			}
			return System.SpanHelpers.LastIndexOfAny(ref MemoryMarshal.GetReference(span), value0, value1, value2, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOfAny<T>(this Span<T> span, ReadOnlySpan<T> values) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(values)), values.Length);
			}
			return System.SpanHelpers.LastIndexOfAny(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(values), values.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOfAny<T>(this ReadOnlySpan<T> span, T value0, T value1) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value0), Unsafe.As<T, byte>(ref value1), span.Length);
			}
			return System.SpanHelpers.LastIndexOfAny(ref MemoryMarshal.GetReference(span), value0, value1, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOfAny<T>(this ReadOnlySpan<T> span, T value0, T value1, T value2) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), Unsafe.As<T, byte>(ref value0), Unsafe.As<T, byte>(ref value1), Unsafe.As<T, byte>(ref value2), span.Length);
			}
			return System.SpanHelpers.LastIndexOfAny(ref MemoryMarshal.GetReference(span), value0, value1, value2, span.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int LastIndexOfAny<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> values) where T : IEquatable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.LastIndexOfAny(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(values)), values.Length);
			}
			return System.SpanHelpers.LastIndexOfAny(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(values), values.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool SequenceEqual<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> other) where T : IEquatable<T>
		{
			int length = span.Length;
			if (default(T) != null && IsTypeComparableAsBytes<T>(out var size))
			{
				if (length == other.Length)
				{
					return System.SpanHelpers.SequenceEqual(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(other)), (NUInt)length * size);
				}
				return false;
			}
			if (length == other.Length)
			{
				return System.SpanHelpers.SequenceEqual(ref MemoryMarshal.GetReference(span), ref MemoryMarshal.GetReference(other), length);
			}
			return false;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int SequenceCompareTo<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> other) where T : IComparable<T>
		{
			if (typeof(T) == typeof(byte))
			{
				return System.SpanHelpers.SequenceCompareTo(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(other)), other.Length);
			}
			if (typeof(T) == typeof(char))
			{
				return System.SpanHelpers.SequenceCompareTo(ref Unsafe.As<T, char>(ref MemoryMarshal.GetReference(span)), span.Length, ref Unsafe.As<T, char>(ref MemoryMarshal.GetReference(other)), other.Length);
			}
			return System.SpanHelpers.SequenceCompareTo(ref MemoryMarshal.GetReference(span), span.Length, ref MemoryMarshal.GetReference(other), other.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool StartsWith<T>(this Span<T> span, ReadOnlySpan<T> value) where T : IEquatable<T>
		{
			int length = value.Length;
			if (default(T) != null && IsTypeComparableAsBytes<T>(out var size))
			{
				if (length <= span.Length)
				{
					return System.SpanHelpers.SequenceEqual(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(value)), (NUInt)length * size);
				}
				return false;
			}
			if (length <= span.Length)
			{
				return System.SpanHelpers.SequenceEqual(ref MemoryMarshal.GetReference(span), ref MemoryMarshal.GetReference(value), length);
			}
			return false;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool StartsWith<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> value) where T : IEquatable<T>
		{
			int length = value.Length;
			if (default(T) != null && IsTypeComparableAsBytes<T>(out var size))
			{
				if (length <= span.Length)
				{
					return System.SpanHelpers.SequenceEqual(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(value)), (NUInt)length * size);
				}
				return false;
			}
			if (length <= span.Length)
			{
				return System.SpanHelpers.SequenceEqual(ref MemoryMarshal.GetReference(span), ref MemoryMarshal.GetReference(value), length);
			}
			return false;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool EndsWith<T>(this Span<T> span, ReadOnlySpan<T> value) where T : IEquatable<T>
		{
			int length = span.Length;
			int length2 = value.Length;
			if (default(T) != null && IsTypeComparableAsBytes<T>(out var size))
			{
				if (length2 <= length)
				{
					return System.SpanHelpers.SequenceEqual(ref Unsafe.As<T, byte>(ref Unsafe.Add(ref MemoryMarshal.GetReference(span), length - length2)), ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(value)), (NUInt)length2 * size);
				}
				return false;
			}
			if (length2 <= length)
			{
				return System.SpanHelpers.SequenceEqual(ref Unsafe.Add(ref MemoryMarshal.GetReference(span), length - length2), ref MemoryMarshal.GetReference(value), length2);
			}
			return false;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool EndsWith<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> value) where T : IEquatable<T>
		{
			int length = span.Length;
			int length2 = value.Length;
			if (default(T) != null && IsTypeComparableAsBytes<T>(out var size))
			{
				if (length2 <= length)
				{
					return System.SpanHelpers.SequenceEqual(ref Unsafe.As<T, byte>(ref Unsafe.Add(ref MemoryMarshal.GetReference(span), length - length2)), ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(value)), (NUInt)length2 * size);
				}
				return false;
			}
			if (length2 <= length)
			{
				return System.SpanHelpers.SequenceEqual(ref Unsafe.Add(ref MemoryMarshal.GetReference(span), length - length2), ref MemoryMarshal.GetReference(value), length2);
			}
			return false;
		}

		public static void Reverse<T>(this Span<T> span)
		{
			ref T reference = ref MemoryMarshal.GetReference(span);
			int num = 0;
			int num2 = span.Length - 1;
			while (num < num2)
			{
				T val = Unsafe.Add(ref reference, num);
				Unsafe.Add(ref reference, num) = Unsafe.Add(ref reference, num2);
				Unsafe.Add(ref reference, num2) = val;
				num++;
				num2--;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Span<T> AsSpan<T>(this T[] array)
		{
			return new Span<T>(array);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Span<T> AsSpan<T>(this T[] array, int start, int length)
		{
			return new Span<T>(array, start, length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Span<T> AsSpan<T>(this ArraySegment<T> segment)
		{
			return new Span<T>(segment.Array, segment.Offset, segment.Count);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Span<T> AsSpan<T>(this ArraySegment<T> segment, int start)
		{
			if ((uint)start > segment.Count)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return new Span<T>(segment.Array, segment.Offset + start, segment.Count - start);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static Span<T> AsSpan<T>(this ArraySegment<T> segment, int start, int length)
		{
			if ((uint)start > segment.Count)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			if ((uint)length > segment.Count - start)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.length);
			}
			return new Span<T>(segment.Array, segment.Offset + start, length);
		}

		public static Memory<T> AsMemory<T>(this T[] array)
		{
			return new Memory<T>(array);
		}

		public static Memory<T> AsMemory<T>(this T[] array, int start)
		{
			return new Memory<T>(array, start);
		}

		public static Memory<T> AsMemory<T>(this T[] array, int start, int length)
		{
			return new Memory<T>(array, start, length);
		}

		public static Memory<T> AsMemory<T>(this ArraySegment<T> segment)
		{
			return new Memory<T>(segment.Array, segment.Offset, segment.Count);
		}

		public static Memory<T> AsMemory<T>(this ArraySegment<T> segment, int start)
		{
			if ((uint)start > segment.Count)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return new Memory<T>(segment.Array, segment.Offset + start, segment.Count - start);
		}

		public static Memory<T> AsMemory<T>(this ArraySegment<T> segment, int start, int length)
		{
			if ((uint)start > segment.Count)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			if ((uint)length > segment.Count - start)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.length);
			}
			return new Memory<T>(segment.Array, segment.Offset + start, length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static void CopyTo<T>(this T[] source, Span<T> destination)
		{
			new ReadOnlySpan<T>(source).CopyTo(destination);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static void CopyTo<T>(this T[] source, Memory<T> destination)
		{
			source.CopyTo(destination.Span);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool Overlaps<T>(this Span<T> span, ReadOnlySpan<T> other)
		{
			return ((ReadOnlySpan<T>)span).Overlaps(other);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool Overlaps<T>(this Span<T> span, ReadOnlySpan<T> other, out int elementOffset)
		{
			return ((ReadOnlySpan<T>)span).Overlaps(other, out elementOffset);
		}

		public static bool Overlaps<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> other)
		{
			if (span.IsEmpty || other.IsEmpty)
			{
				return false;
			}
			IntPtr intPtr = Unsafe.ByteOffset(ref MemoryMarshal.GetReference(span), ref MemoryMarshal.GetReference(other));
			if (Unsafe.SizeOf<IntPtr>() == 4)
			{
				if ((uint)(int)intPtr >= (uint)(span.Length * Unsafe.SizeOf<T>()))
				{
					return (uint)(int)intPtr > (uint)(-(other.Length * Unsafe.SizeOf<T>()));
				}
				return true;
			}
			if ((ulong)(long)intPtr >= (ulong)((long)span.Length * (long)Unsafe.SizeOf<T>()))
			{
				return (ulong)(long)intPtr > (ulong)(-((long)other.Length * (long)Unsafe.SizeOf<T>()));
			}
			return true;
		}

		public static bool Overlaps<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> other, out int elementOffset)
		{
			if (span.IsEmpty || other.IsEmpty)
			{
				elementOffset = 0;
				return false;
			}
			IntPtr intPtr = Unsafe.ByteOffset(ref MemoryMarshal.GetReference(span), ref MemoryMarshal.GetReference(other));
			if (Unsafe.SizeOf<IntPtr>() == 4)
			{
				if ((uint)(int)intPtr < (uint)(span.Length * Unsafe.SizeOf<T>()) || (uint)(int)intPtr > (uint)(-(other.Length * Unsafe.SizeOf<T>())))
				{
					if ((int)intPtr % Unsafe.SizeOf<T>() != 0)
					{
						System.ThrowHelper.ThrowArgumentException_OverlapAlignmentMismatch();
					}
					elementOffset = (int)intPtr / Unsafe.SizeOf<T>();
					return true;
				}
				elementOffset = 0;
				return false;
			}
			if ((ulong)(long)intPtr < (ulong)((long)span.Length * (long)Unsafe.SizeOf<T>()) || (ulong)(long)intPtr > (ulong)(-((long)other.Length * (long)Unsafe.SizeOf<T>())))
			{
				if ((long)intPtr % Unsafe.SizeOf<T>() != 0L)
				{
					System.ThrowHelper.ThrowArgumentException_OverlapAlignmentMismatch();
				}
				elementOffset = (int)((long)intPtr / Unsafe.SizeOf<T>());
				return true;
			}
			elementOffset = 0;
			return false;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int BinarySearch<T>(this Span<T> span, IComparable<T> comparable)
		{
			return span.BinarySearch<T, IComparable<T>>(comparable);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int BinarySearch<T, TComparable>(this Span<T> span, TComparable comparable) where TComparable : IComparable<T>
		{
			return BinarySearch((ReadOnlySpan<T>)span, comparable);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int BinarySearch<T, TComparer>(this Span<T> span, T value, TComparer comparer) where TComparer : IComparer<T>
		{
			return ((ReadOnlySpan<T>)span).BinarySearch(value, comparer);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int BinarySearch<T>(this ReadOnlySpan<T> span, IComparable<T> comparable)
		{
			return MemoryExtensions.BinarySearch<T, IComparable<T>>(span, comparable);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int BinarySearch<T, TComparable>(this ReadOnlySpan<T> span, TComparable comparable) where TComparable : IComparable<T>
		{
			return System.SpanHelpers.BinarySearch(span, comparable);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int BinarySearch<T, TComparer>(this ReadOnlySpan<T> span, T value, TComparer comparer) where TComparer : IComparer<T>
		{
			if (comparer == null)
			{
				System.ThrowHelper.ThrowArgumentNullException(System.ExceptionArgument.comparer);
			}
			System.SpanHelpers.ComparerComparable<T, TComparer> comparable = new System.SpanHelpers.ComparerComparable<T, TComparer>(value, comparer);
			return BinarySearch(span, comparable);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		private static bool IsTypeComparableAsBytes<T>(out NUInt size)
		{
			if (typeof(T) == typeof(byte) || typeof(T) == typeof(sbyte))
			{
				size = (NUInt)1;
				return true;
			}
			if (typeof(T) == typeof(char) || typeof(T) == typeof(short) || typeof(T) == typeof(ushort))
			{
				size = (NUInt)2;
				return true;
			}
			if (typeof(T) == typeof(int) || typeof(T) == typeof(uint))
			{
				size = (NUInt)4;
				return true;
			}
			if (typeof(T) == typeof(long) || typeof(T) == typeof(ulong))
			{
				size = (NUInt)8;
				return true;
			}
			size = default(NUInt);
			return false;
		}

		public static Span<T> AsSpan<T>(this T[] array, int start)
		{
			return Span<T>.Create(array, start);
		}

		public static bool Contains(this ReadOnlySpan<char> span, ReadOnlySpan<char> value, StringComparison comparisonType)
		{
			return span.IndexOf(value, comparisonType) >= 0;
		}

		public static bool Equals(this ReadOnlySpan<char> span, ReadOnlySpan<char> other, StringComparison comparisonType)
		{
			switch (comparisonType)
			{
			case StringComparison.Ordinal:
				return span.SequenceEqual(other);
			case StringComparison.OrdinalIgnoreCase:
				if (span.Length != other.Length)
				{
					return false;
				}
				return EqualsOrdinalIgnoreCase(span, other);
			default:
				return span.ToString().Equals(other.ToString(), comparisonType);
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		private static bool EqualsOrdinalIgnoreCase(ReadOnlySpan<char> span, ReadOnlySpan<char> other)
		{
			if (other.Length == 0)
			{
				return true;
			}
			return CompareToOrdinalIgnoreCase(span, other) == 0;
		}

		public static int CompareTo(this ReadOnlySpan<char> span, ReadOnlySpan<char> other, StringComparison comparisonType)
		{
			return comparisonType switch
			{
				StringComparison.Ordinal => span.SequenceCompareTo(other), 
				StringComparison.OrdinalIgnoreCase => CompareToOrdinalIgnoreCase(span, other), 
				_ => string.Compare(span.ToString(), other.ToString(), comparisonType), 
			};
		}

		private unsafe static int CompareToOrdinalIgnoreCase(ReadOnlySpan<char> strA, ReadOnlySpan<char> strB)
		{
			int num = Math.Min(strA.Length, strB.Length);
			int num2 = num;
			fixed (char* ptr = &MemoryMarshal.GetReference(strA))
			{
				fixed (char* ptr3 = &MemoryMarshal.GetReference(strB))
				{
					char* ptr2 = ptr;
					char* ptr4 = ptr3;
					while (num != 0 && *ptr2 <= '\u007f' && *ptr4 <= '\u007f')
					{
						int num3 = *ptr2;
						int num4 = *ptr4;
						if (num3 == num4)
						{
							ptr2++;
							ptr4++;
							num--;
							continue;
						}
						if ((uint)(num3 - 97) <= 25u)
						{
							num3 -= 32;
						}
						if ((uint)(num4 - 97) <= 25u)
						{
							num4 -= 32;
						}
						if (num3 != num4)
						{
							return num3 - num4;
						}
						ptr2++;
						ptr4++;
						num--;
					}
					if (num == 0)
					{
						return strA.Length - strB.Length;
					}
					num2 -= num;
					return string.Compare(strA.Slice(num2).ToString(), strB.Slice(num2).ToString(), StringComparison.OrdinalIgnoreCase);
				}
			}
		}

		public static int IndexOf(this ReadOnlySpan<char> span, ReadOnlySpan<char> value, StringComparison comparisonType)
		{
			if (comparisonType == StringComparison.Ordinal)
			{
				return span.IndexOf(value);
			}
			return span.ToString().IndexOf(value.ToString(), comparisonType);
		}

		public static int ToLower(this ReadOnlySpan<char> source, Span<char> destination, CultureInfo culture)
		{
			if (culture == null)
			{
				System.ThrowHelper.ThrowArgumentNullException(System.ExceptionArgument.culture);
			}
			if (destination.Length < source.Length)
			{
				return -1;
			}
			string text = source.ToString();
			string text2 = text.ToLower(culture);
			AsSpan(text2).CopyTo(destination);
			return source.Length;
		}

		public static int ToLowerInvariant(this ReadOnlySpan<char> source, Span<char> destination)
		{
			return source.ToLower(destination, CultureInfo.InvariantCulture);
		}

		public static int ToUpper(this ReadOnlySpan<char> source, Span<char> destination, CultureInfo culture)
		{
			if (culture == null)
			{
				System.ThrowHelper.ThrowArgumentNullException(System.ExceptionArgument.culture);
			}
			if (destination.Length < source.Length)
			{
				return -1;
			}
			string text = source.ToString();
			string text2 = text.ToUpper(culture);
			AsSpan(text2).CopyTo(destination);
			return source.Length;
		}

		public static int ToUpperInvariant(this ReadOnlySpan<char> source, Span<char> destination)
		{
			return source.ToUpper(destination, CultureInfo.InvariantCulture);
		}

		public static bool EndsWith(this ReadOnlySpan<char> span, ReadOnlySpan<char> value, StringComparison comparisonType)
		{
			switch (comparisonType)
			{
			case StringComparison.Ordinal:
				return span.EndsWith(value);
			case StringComparison.OrdinalIgnoreCase:
				if (value.Length <= span.Length)
				{
					return EqualsOrdinalIgnoreCase(span.Slice(span.Length - value.Length), value);
				}
				return false;
			default:
			{
				string text = span.ToString();
				string value2 = value.ToString();
				return text.EndsWith(value2, comparisonType);
			}
			}
		}

		public static bool StartsWith(this ReadOnlySpan<char> span, ReadOnlySpan<char> value, StringComparison comparisonType)
		{
			switch (comparisonType)
			{
			case StringComparison.Ordinal:
				return span.StartsWith(value);
			case StringComparison.OrdinalIgnoreCase:
				if (value.Length <= span.Length)
				{
					return EqualsOrdinalIgnoreCase(span.Slice(0, value.Length), value);
				}
				return false;
			default:
			{
				string text = span.ToString();
				string value2 = value.ToString();
				return text.StartsWith(value2, comparisonType);
			}
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static ReadOnlySpan<char> AsSpan(this string text)
		{
			if (text == null)
			{
				return default(ReadOnlySpan<char>);
			}
			return new ReadOnlySpan<char>(Unsafe.As<Pinnable<char>>(text), StringAdjustment, text.Length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static ReadOnlySpan<char> AsSpan(this string text, int start)
		{
			if (text == null)
			{
				if (start != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
				}
				return default(ReadOnlySpan<char>);
			}
			if ((uint)start > (uint)text.Length)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return new ReadOnlySpan<char>(Unsafe.As<Pinnable<char>>(text), StringAdjustment + start * 2, text.Length - start);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static ReadOnlySpan<char> AsSpan(this string text, int start, int length)
		{
			if (text == null)
			{
				if (start != 0 || length != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
				}
				return default(ReadOnlySpan<char>);
			}
			if ((uint)start > (uint)text.Length || (uint)length > (uint)(text.Length - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return new ReadOnlySpan<char>(Unsafe.As<Pinnable<char>>(text), StringAdjustment + start * 2, length);
		}

		public static ReadOnlyMemory<char> AsMemory(this string text)
		{
			if (text == null)
			{
				return default(ReadOnlyMemory<char>);
			}
			return new ReadOnlyMemory<char>(text, 0, text.Length);
		}

		public static ReadOnlyMemory<char> AsMemory(this string text, int start)
		{
			if (text == null)
			{
				if (start != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
				}
				return default(ReadOnlyMemory<char>);
			}
			if ((uint)start > (uint)text.Length)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return new ReadOnlyMemory<char>(text, start, text.Length - start);
		}

		public static ReadOnlyMemory<char> AsMemory(this string text, int start, int length)
		{
			if (text == null)
			{
				if (start != 0 || length != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
				}
				return default(ReadOnlyMemory<char>);
			}
			if ((uint)start > (uint)text.Length || (uint)length > (uint)(text.Length - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return new ReadOnlyMemory<char>(text, start, length);
		}

		private unsafe static IntPtr MeasureStringAdjustment()
		{
			string text = "a";
			fixed (char* source = text)
			{
				return Unsafe.ByteOffset(ref Unsafe.As<Pinnable<char>>(text).Data, ref Unsafe.AsRef<char>(source));
			}
		}
	}
	[DebuggerTypeProxy(typeof(System.MemoryDebugView<>))]
	[DebuggerDisplay("{ToString(),raw}")]
	public readonly struct ReadOnlyMemory<T>
	{
		private readonly object _object;

		private readonly int _index;

		private readonly int _length;

		internal const int RemoveFlagsBitMask = int.MaxValue;

		public static ReadOnlyMemory<T> Empty => default(ReadOnlyMemory<T>);

		public int Length => _length & 0x7FFFFFFF;

		public bool IsEmpty => (_length & 0x7FFFFFFF) == 0;

		public ReadOnlySpan<T> Span
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				if (_index < 0)
				{
					return ((MemoryManager<T>)_object).GetSpan().Slice(_index & 0x7FFFFFFF, _length);
				}
				ReadOnlySpan<T> result;
				if (typeof(T) == typeof(char) && _object is string text)
				{
					result = new ReadOnlySpan<T>(Unsafe.As<Pinnable<T>>(text), MemoryExtensions.StringAdjustment, text.Length);
					return result.Slice(_index, _length);
				}
				if (_object != null)
				{
					return new ReadOnlySpan<T>((T[])_object, _index, _length & 0x7FFFFFFF);
				}
				result = default(ReadOnlySpan<T>);
				return result;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ReadOnlyMemory(T[] array)
		{
			if (array == null)
			{
				this = default(ReadOnlyMemory<T>);
				return;
			}
			_object = array;
			_index = 0;
			_length = array.Length;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ReadOnlyMemory(T[] array, int start, int length)
		{
			if (array == null)
			{
				if (start != 0 || length != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException();
				}
				this = default(ReadOnlyMemory<T>);
				return;
			}
			if ((uint)start > (uint)array.Length || (uint)length > (uint)(array.Length - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException();
			}
			_object = array;
			_index = start;
			_length = length;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal ReadOnlyMemory(object obj, int start, int length)
		{
			_object = obj;
			_index = start;
			_length = length;
		}

		public static implicit operator ReadOnlyMemory<T>(T[] array)
		{
			return new ReadOnlyMemory<T>(array);
		}

		public static implicit operator ReadOnlyMemory<T>(ArraySegment<T> segment)
		{
			return new ReadOnlyMemory<T>(segment.Array, segment.Offset, segment.Count);
		}

		public override string ToString()
		{
			if (typeof(T) == typeof(char))
			{
				if (!(_object is string text))
				{
					return Span.ToString();
				}
				return text.Substring(_index, _length & 0x7FFFFFFF);
			}
			return $"System.ReadOnlyMemory<{typeof(T).Name}>[{_length & 0x7FFFFFFF}]";
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ReadOnlyMemory<T> Slice(int start)
		{
			int length = _length;
			int num = length & 0x7FFFFFFF;
			if ((uint)start > (uint)num)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return new ReadOnlyMemory<T>(_object, _index + start, length - start);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ReadOnlyMemory<T> Slice(int start, int length)
		{
			int length2 = _length;
			int num = _length & 0x7FFFFFFF;
			if ((uint)start > (uint)num || (uint)length > (uint)(num - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			return new ReadOnlyMemory<T>(_object, _index + start, length | (length2 & int.MinValue));
		}

		public void CopyTo(Memory<T> destination)
		{
			Span.CopyTo(destination.Span);
		}

		public bool TryCopyTo(Memory<T> destination)
		{
			return Span.TryCopyTo(destination.Span);
		}

		public unsafe MemoryHandle Pin()
		{
			if (_index < 0)
			{
				return ((MemoryManager<T>)_object).Pin(_index & 0x7FFFFFFF);
			}
			if (typeof(T) == typeof(char) && _object is string value)
			{
				GCHandle handle = GCHandle.Alloc(value, GCHandleType.Pinned);
				void* pointer = Unsafe.Add<T>((void*)handle.AddrOfPinnedObject(), _index);
				return new MemoryHandle(pointer, handle);
			}
			if (_object is T[] array)
			{
				if (_length < 0)
				{
					void* pointer2 = Unsafe.Add<T>(Unsafe.AsPointer(ref MemoryMarshal.GetReference<T>(array)), _index);
					return new MemoryHandle(pointer2);
				}
				GCHandle handle2 = GCHandle.Alloc(array, GCHandleType.Pinned);
				void* pointer3 = Unsafe.Add<T>((void*)handle2.AddrOfPinnedObject(), _index);
				return new MemoryHandle(pointer3, handle2);
			}
			return default(MemoryHandle);
		}

		public T[] ToArray()
		{
			return Span.ToArray();
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public override bool Equals(object obj)
		{
			if (obj is ReadOnlyMemory<T> other)
			{
				return Equals(other);
			}
			if (obj is Memory<T> memory)
			{
				return Equals(memory);
			}
			return false;
		}

		public bool Equals(ReadOnlyMemory<T> other)
		{
			if (_object == other._object && _index == other._index)
			{
				return _length == other._length;
			}
			return false;
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public override int GetHashCode()
		{
			if (_object == null)
			{
				return 0;
			}
			int hashCode = _object.GetHashCode();
			int index = _index;
			int hashCode2 = index.GetHashCode();
			index = _length;
			return CombineHashCodes(hashCode, hashCode2, index.GetHashCode());
		}

		private static int CombineHashCodes(int left, int right)
		{
			return ((left << 5) + left) ^ right;
		}

		private static int CombineHashCodes(int h1, int h2, int h3)
		{
			return CombineHashCodes(CombineHashCodes(h1, h2), h3);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal object GetObjectStartLength(out int start, out int length)
		{
			start = _index;
			length = _length;
			return _object;
		}
	}
	[DebuggerTypeProxy(typeof(System.SpanDebugView<>))]
	[DebuggerDisplay("{ToString(),raw}")]
	[DebuggerTypeProxy(typeof(System.SpanDebugView<>))]
	[DebuggerDisplay("{ToString(),raw}")]
	public readonly ref struct ReadOnlySpan<T>
	{
		public ref struct Enumerator
		{
			private readonly ReadOnlySpan<T> _span;

			private int _index;

			public ref readonly T Current
			{
				[MethodImpl(MethodImplOptions.AggressiveInlining)]
				get
				{
					return ref _span[_index];
				}
			}

			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			internal Enumerator(ReadOnlySpan<T> span)
			{
				_span = span;
				_index = -1;
			}

			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			public bool MoveNext()
			{
				int num = _index + 1;
				if (num < _span.Length)
				{
					_index = num;
					return true;
				}
				return false;
			}
		}

		private readonly Pinnable<T> _pinnable;

		private readonly IntPtr _byteOffset;

		private readonly int _length;

		public int Length => _length;

		public bool IsEmpty => _length == 0;

		public static ReadOnlySpan<T> Empty => default(ReadOnlySpan<T>);

		public unsafe ref readonly T this[int index]
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				if ((uint)index >= (uint)_length)
				{
					System.ThrowHelper.ThrowIndexOutOfRangeException();
				}
				if (_pinnable == null)
				{
					IntPtr byteOffset = _byteOffset;
					return ref Unsafe.Add(ref Unsafe.AsRef<T>(byteOffset.ToPointer()), index);
				}
				return ref Unsafe.Add(ref Unsafe.AddByteOffset(ref _pinnable.Data, _byteOffset), index);
			}
		}

		internal Pinnable<T> Pinnable => _pinnable;

		internal IntPtr ByteOffset => _byteOffset;

		public static bool operator !=(ReadOnlySpan<T> left, ReadOnlySpan<T> right)
		{
			return !(left == right);
		}

		[Obsolete("Equals() on ReadOnlySpan will always throw an exception. Use == instead.")]
		[EditorBrowsable(EditorBrowsableState.Never)]
		public override bool Equals(object obj)
		{
			throw new NotSupportedException(System.SR.NotSupported_CannotCallEqualsOnSpan);
		}

		[Obsolete("GetHashCode() on ReadOnlySpan will always throw an exception.")]
		[EditorBrowsable(EditorBrowsableState.Never)]
		public override int GetHashCode()
		{
			throw new NotSupportedException(System.SR.NotSupported_CannotCallGetHashCodeOnSpan);
		}

		public static implicit operator ReadOnlySpan<T>(T[] array)
		{
			return new ReadOnlySpan<T>(array);
		}

		public static implicit operator ReadOnlySpan<T>(ArraySegment<T> segment)
		{
			return new ReadOnlySpan<T>(segment.Array, segment.Offset, segment.Count);
		}

		public Enumerator GetEnumerator()
		{
			return new Enumerator(this);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ReadOnlySpan(T[] array)
		{
			if (array == null)
			{
				this = default(ReadOnlySpan<T>);
				return;
			}
			_length = array.Length;
			_pinnable = Unsafe.As<Pinnable<T>>(array);
			_byteOffset = System.SpanHelpers.PerTypeValues<T>.ArrayAdjustment;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ReadOnlySpan(T[] array, int start, int length)
		{
			if (array == null)
			{
				if (start != 0 || length != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
				}
				this = default(ReadOnlySpan<T>);
				return;
			}
			if ((uint)start > (uint)array.Length || (uint)length > (uint)(array.Length - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			_length = length;
			_pinnable = Unsafe.As<Pinnable<T>>(array);
			_byteOffset = System.SpanHelpers.PerTypeValues<T>.ArrayAdjustment.Add<T>(start);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[CLSCompliant(false)]
		public unsafe ReadOnlySpan(void* pointer, int length)
		{
			if (System.SpanHelpers.IsReferenceOrContainsReferences<T>())
			{
				System.ThrowHelper.ThrowArgumentException_InvalidTypeWithPointersNotSupported(typeof(T));
			}
			if (length < 0)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			_length = length;
			_pinnable = null;
			_byteOffset = new IntPtr(pointer);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal ReadOnlySpan(Pinnable<T> pinnable, IntPtr byteOffset, int length)
		{
			_length = length;
			_pinnable = pinnable;
			_byteOffset = byteOffset;
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public unsafe ref readonly T GetPinnableReference()
		{
			if (_length != 0)
			{
				if (_pinnable == null)
				{
					IntPtr byteOffset = _byteOffset;
					return ref Unsafe.AsRef<T>(byteOffset.ToPointer());
				}
				return ref Unsafe.AddByteOffset(ref _pinnable.Data, _byteOffset);
			}
			return ref Unsafe.AsRef<T>(null);
		}

		public void CopyTo(Span<T> destination)
		{
			if (!TryCopyTo(destination))
			{
				System.ThrowHelper.ThrowArgumentException_DestinationTooShort();
			}
		}

		public bool TryCopyTo(Span<T> destination)
		{
			int length = _length;
			int length2 = destination.Length;
			if (length == 0)
			{
				return true;
			}
			if ((uint)length > (uint)length2)
			{
				return false;
			}
			ref T src = ref DangerousGetPinnableReference();
			System.SpanHelpers.CopyTo(ref destination.DangerousGetPinnableReference(), length2, ref src, length);
			return true;
		}

		public static bool operator ==(ReadOnlySpan<T> left, ReadOnlySpan<T> right)
		{
			if (left._length == right._length)
			{
				return Unsafe.AreSame(ref left.DangerousGetPinnableReference(), ref right.DangerousGetPinnableReference());
			}
			return false;
		}

		public unsafe override string ToString()
		{
			if (typeof(T) == typeof(char))
			{
				if (_byteOffset == MemoryExtensions.StringAdjustment)
				{
					object obj = Unsafe.As<object>(_pinnable);
					if (obj is string text && _length == text.Length)
					{
						return text;
					}
				}
				fixed (char* value = &Unsafe.As<T, char>(ref DangerousGetPinnableReference()))
				{
					return new string(value, 0, _length);
				}
			}
			return $"System.ReadOnlySpan<{typeof(T).Name}>[{_length}]";
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ReadOnlySpan<T> Slice(int start)
		{
			if ((uint)start > (uint)_length)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			IntPtr byteOffset = _byteOffset.Add<T>(start);
			int length = _length - start;
			return new ReadOnlySpan<T>(_pinnable, byteOffset, length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ReadOnlySpan<T> Slice(int start, int length)
		{
			if ((uint)start > (uint)_length || (uint)length > (uint)(_length - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			IntPtr byteOffset = _byteOffset.Add<T>(start);
			return new ReadOnlySpan<T>(_pinnable, byteOffset, length);
		}

		public T[] ToArray()
		{
			if (_length == 0)
			{
				return System.SpanHelpers.PerTypeValues<T>.EmptyArray;
			}
			T[] array = new T[_length];
			CopyTo(array);
			return array;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[EditorBrowsable(EditorBrowsableState.Never)]
		internal unsafe ref T DangerousGetPinnableReference()
		{
			if (_pinnable == null)
			{
				IntPtr byteOffset = _byteOffset;
				return ref Unsafe.AsRef<T>(byteOffset.ToPointer());
			}
			return ref Unsafe.AddByteOffset(ref _pinnable.Data, _byteOffset);
		}
	}
	[DebuggerTypeProxy(typeof(System.SpanDebugView<>))]
	[DebuggerDisplay("{ToString(),raw}")]
	[DebuggerTypeProxy(typeof(System.SpanDebugView<>))]
	[DebuggerDisplay("{ToString(),raw}")]
	public readonly ref struct Span<T>
	{
		public ref struct Enumerator
		{
			private readonly Span<T> _span;

			private int _index;

			public ref T Current
			{
				[MethodImpl(MethodImplOptions.AggressiveInlining)]
				get
				{
					return ref _span[_index];
				}
			}

			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			internal Enumerator(Span<T> span)
			{
				_span = span;
				_index = -1;
			}

			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			public bool MoveNext()
			{
				int num = _index + 1;
				if (num < _span.Length)
				{
					_index = num;
					return true;
				}
				return false;
			}
		}

		private readonly Pinnable<T> _pinnable;

		private readonly IntPtr _byteOffset;

		private readonly int _length;

		public int Length => _length;

		public bool IsEmpty => _length == 0;

		public static Span<T> Empty => default(Span<T>);

		public unsafe ref T this[int index]
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				if ((uint)index >= (uint)_length)
				{
					System.ThrowHelper.ThrowIndexOutOfRangeException();
				}
				if (_pinnable == null)
				{
					IntPtr byteOffset = _byteOffset;
					return ref Unsafe.Add(ref Unsafe.AsRef<T>(byteOffset.ToPointer()), index);
				}
				return ref Unsafe.Add(ref Unsafe.AddByteOffset(ref _pinnable.Data, _byteOffset), index);
			}
		}

		internal Pinnable<T> Pinnable => _pinnable;

		internal IntPtr ByteOffset => _byteOffset;

		public static bool operator !=(Span<T> left, Span<T> right)
		{
			return !(left == right);
		}

		[Obsolete("Equals() on Span will always throw an exception. Use == instead.")]
		[EditorBrowsable(EditorBrowsableState.Never)]
		public override bool Equals(object obj)
		{
			throw new NotSupportedException(System.SR.NotSupported_CannotCallEqualsOnSpan);
		}

		[Obsolete("GetHashCode() on Span will always throw an exception.")]
		[EditorBrowsable(EditorBrowsableState.Never)]
		public override int GetHashCode()
		{
			throw new NotSupportedException(System.SR.NotSupported_CannotCallGetHashCodeOnSpan);
		}

		public static implicit operator Span<T>(T[] array)
		{
			return new Span<T>(array);
		}

		public static implicit operator Span<T>(ArraySegment<T> segment)
		{
			return new Span<T>(segment.Array, segment.Offset, segment.Count);
		}

		public Enumerator GetEnumerator()
		{
			return new Enumerator(this);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public Span(T[] array)
		{
			if (array == null)
			{
				this = default(Span<T>);
				return;
			}
			if (default(T) == null && array.GetType() != typeof(T[]))
			{
				System.ThrowHelper.ThrowArrayTypeMismatchException();
			}
			_length = array.Length;
			_pinnable = Unsafe.As<Pinnable<T>>(array);
			_byteOffset = System.SpanHelpers.PerTypeValues<T>.ArrayAdjustment;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static Span<T> Create(T[] array, int start)
		{
			if (array == null)
			{
				if (start != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
				}
				return default(Span<T>);
			}
			if (default(T) == null && array.GetType() != typeof(T[]))
			{
				System.ThrowHelper.ThrowArrayTypeMismatchException();
			}
			if ((uint)start > (uint)array.Length)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			IntPtr byteOffset = System.SpanHelpers.PerTypeValues<T>.ArrayAdjustment.Add<T>(start);
			int length = array.Length - start;
			return new Span<T>(Unsafe.As<Pinnable<T>>(array), byteOffset, length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public Span(T[] array, int start, int length)
		{
			if (array == null)
			{
				if (start != 0 || length != 0)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
				}
				this = default(Span<T>);
				return;
			}
			if (default(T) == null && array.GetType() != typeof(T[]))
			{
				System.ThrowHelper.ThrowArrayTypeMismatchException();
			}
			if ((uint)start > (uint)array.Length || (uint)length > (uint)(array.Length - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			_length = length;
			_pinnable = Unsafe.As<Pinnable<T>>(array);
			_byteOffset = System.SpanHelpers.PerTypeValues<T>.ArrayAdjustment.Add<T>(start);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[CLSCompliant(false)]
		public unsafe Span(void* pointer, int length)
		{
			if (System.SpanHelpers.IsReferenceOrContainsReferences<T>())
			{
				System.ThrowHelper.ThrowArgumentException_InvalidTypeWithPointersNotSupported(typeof(T));
			}
			if (length < 0)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			_length = length;
			_pinnable = null;
			_byteOffset = new IntPtr(pointer);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal Span(Pinnable<T> pinnable, IntPtr byteOffset, int length)
		{
			_length = length;
			_pinnable = pinnable;
			_byteOffset = byteOffset;
		}

		[EditorBrowsable(EditorBrowsableState.Never)]
		public unsafe ref T GetPinnableReference()
		{
			if (_length != 0)
			{
				if (_pinnable == null)
				{
					IntPtr byteOffset = _byteOffset;
					return ref Unsafe.AsRef<T>(byteOffset.ToPointer());
				}
				return ref Unsafe.AddByteOffset(ref _pinnable.Data, _byteOffset);
			}
			return ref Unsafe.AsRef<T>(null);
		}

		public unsafe void Clear()
		{
			int length = _length;
			if (length == 0)
			{
				return;
			}
			UIntPtr byteLength = (UIntPtr)(ulong)((uint)length * Unsafe.SizeOf<T>());
			if ((Unsafe.SizeOf<T>() & (sizeof(IntPtr) - 1)) != 0)
			{
				if (_pinnable == null)
				{
					IntPtr byteOffset = _byteOffset;
					byte* ptr = (byte*)byteOffset.ToPointer();
					System.SpanHelpers.ClearLessThanPointerSized(ptr, byteLength);
				}
				else
				{
					System.SpanHelpers.ClearLessThanPointerSized(ref Unsafe.As<T, byte>(ref Unsafe.AddByteOffset(ref _pinnable.Data, _byteOffset)), byteLength);
				}
			}
			else if (System.SpanHelpers.IsReferenceOrContainsReferences<T>())
			{
				UIntPtr pointerSizeLength = (UIntPtr)(ulong)(length * Unsafe.SizeOf<T>() / sizeof(IntPtr));
				System.SpanHelpers.ClearPointerSizedWithReferences(ref Unsafe.As<T, IntPtr>(ref DangerousGetPinnableReference()), pointerSizeLength);
			}
			else
			{
				System.SpanHelpers.ClearPointerSizedWithoutReferences(ref Unsafe.As<T, byte>(ref DangerousGetPinnableReference()), byteLength);
			}
		}

		public unsafe void Fill(T value)
		{
			int length = _length;
			if (length == 0)
			{
				return;
			}
			if (Unsafe.SizeOf<T>() == 1)
			{
				byte value2 = Unsafe.As<T, byte>(ref value);
				if (_pinnable == null)
				{
					IntPtr byteOffset = _byteOffset;
					Unsafe.InitBlockUnaligned(byteOffset.ToPointer(), value2, (uint)length);
				}
				else
				{
					Unsafe.InitBlockUnaligned(ref Unsafe.As<T, byte>(ref Unsafe.AddByteOffset(ref _pinnable.Data, _byteOffset)), value2, (uint)length);
				}
				return;
			}
			ref T source = ref DangerousGetPinnableReference();
			int i;
			for (i = 0; i < (length & -8); i += 8)
			{
				Unsafe.Add(ref source, i) = value;
				Unsafe.Add(ref source, i + 1) = value;
				Unsafe.Add(ref source, i + 2) = value;
				Unsafe.Add(ref source, i + 3) = value;
				Unsafe.Add(ref source, i + 4) = value;
				Unsafe.Add(ref source, i + 5) = value;
				Unsafe.Add(ref source, i + 6) = value;
				Unsafe.Add(ref source, i + 7) = value;
			}
			if (i < (length & -4))
			{
				Unsafe.Add(ref source, i) = value;
				Unsafe.Add(ref source, i + 1) = value;
				Unsafe.Add(ref source, i + 2) = value;
				Unsafe.Add(ref source, i + 3) = value;
				i += 4;
			}
			for (; i < length; i++)
			{
				Unsafe.Add(ref source, i) = value;
			}
		}

		public void CopyTo(Span<T> destination)
		{
			if (!TryCopyTo(destination))
			{
				System.ThrowHelper.ThrowArgumentException_DestinationTooShort();
			}
		}

		public bool TryCopyTo(Span<T> destination)
		{
			int length = _length;
			int length2 = destination._length;
			if (length == 0)
			{
				return true;
			}
			if ((uint)length > (uint)length2)
			{
				return false;
			}
			ref T src = ref DangerousGetPinnableReference();
			System.SpanHelpers.CopyTo(ref destination.DangerousGetPinnableReference(), length2, ref src, length);
			return true;
		}

		public static bool operator ==(Span<T> left, Span<T> right)
		{
			if (left._length == right._length)
			{
				return Unsafe.AreSame(ref left.DangerousGetPinnableReference(), ref right.DangerousGetPinnableReference());
			}
			return false;
		}

		public static implicit operator ReadOnlySpan<T>(Span<T> span)
		{
			return new ReadOnlySpan<T>(span._pinnable, span._byteOffset, span._length);
		}

		public unsafe override string ToString()
		{
			if (typeof(T) == typeof(char))
			{
				fixed (char* value = &Unsafe.As<T, char>(ref DangerousGetPinnableReference()))
				{
					return new string(value, 0, _length);
				}
			}
			return $"System.Span<{typeof(T).Name}>[{_length}]";
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public Span<T> Slice(int start)
		{
			if ((uint)start > (uint)_length)
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			IntPtr byteOffset = _byteOffset.Add<T>(start);
			int length = _length - start;
			return new Span<T>(_pinnable, byteOffset, length);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public Span<T> Slice(int start, int length)
		{
			if ((uint)start > (uint)_length || (uint)length > (uint)(_length - start))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.start);
			}
			IntPtr byteOffset = _byteOffset.Add<T>(start);
			return new Span<T>(_pinnable, byteOffset, length);
		}

		public T[] ToArray()
		{
			if (_length == 0)
			{
				return System.SpanHelpers.PerTypeValues<T>.EmptyArray;
			}
			T[] array = new T[_length];
			CopyTo(array);
			return array;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[EditorBrowsable(EditorBrowsableState.Never)]
		internal unsafe ref T DangerousGetPinnableReference()
		{
			if (_pinnable == null)
			{
				IntPtr byteOffset = _byteOffset;
				return ref Unsafe.AsRef<T>(byteOffset.ToPointer());
			}
			return ref Unsafe.AddByteOffset(ref _pinnable.Data, _byteOffset);
		}
	}
	internal sealed class SpanDebugView<T>
	{
		private readonly T[] _array;

		[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
		public T[] Items => _array;

		public SpanDebugView(Span<T> span)
		{
			_array = span.ToArray();
		}

		public SpanDebugView(ReadOnlySpan<T> span)
		{
			_array = span.ToArray();
		}
	}
	internal static class SpanHelpers
	{
		internal struct ComparerComparable<T, TComparer> : IComparable<T> where TComparer : IComparer<T>
		{
			private readonly T _value;

			private readonly TComparer _comparer;

			public ComparerComparable(T value, TComparer comparer)
			{
				_value = value;
				_comparer = comparer;
			}

			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			public int CompareTo(T other)
			{
				return _comparer.Compare(_value, other);
			}
		}

		[StructLayout(LayoutKind.Sequential, Size = 64)]
		private struct Reg64
		{
		}

		[StructLayout(LayoutKind.Sequential, Size = 32)]
		private struct Reg32
		{
		}

		[StructLayout(LayoutKind.Sequential, Size = 16)]
		private struct Reg16
		{
		}

		public static class PerTypeValues<T>
		{
			public static readonly bool IsReferenceOrContainsReferences = IsReferenceOrContainsReferencesCore(typeof(T));

			public static readonly T[] EmptyArray = new T[0];

			public static readonly IntPtr ArrayAdjustment = MeasureArrayAdjustment();

			private static IntPtr MeasureArrayAdjustment()
			{
				T[] array = new T[1];
				return Unsafe.ByteOffset(ref Unsafe.As<Pinnable<T>>(array).Data, ref array[0]);
			}
		}

		private const ulong XorPowerOfTwoToHighByte = 283686952306184uL;

		private const ulong XorPowerOfTwoToHighChar = 4295098372uL;

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int BinarySearch<T, TComparable>(this ReadOnlySpan<T> span, TComparable comparable) where TComparable : IComparable<T>
		{
			if (comparable == null)
			{
				System.ThrowHelper.ThrowArgumentNullException(System.ExceptionArgument.comparable);
			}
			return BinarySearch(ref MemoryMarshal.GetReference(span), span.Length, comparable);
		}

		public static int BinarySearch<T, TComparable>(ref T spanStart, int length, TComparable comparable) where TComparable : IComparable<T>
		{
			int num = 0;
			int num2 = length - 1;
			while (num <= num2)
			{
				int num3 = num2 + num >>> 1;
				int num4 = comparable.CompareTo(Unsafe.Add(ref spanStart, num3));
				if (num4 == 0)
				{
					return num3;
				}
				if (num4 > 0)
				{
					num = num3 + 1;
				}
				else
				{
					num2 = num3 - 1;
				}
			}
			return ~num;
		}

		public static int IndexOf(ref byte searchSpace, int searchSpaceLength, ref byte value, int valueLength)
		{
			if (valueLength == 0)
			{
				return 0;
			}
			byte value2 = value;
			ref byte second = ref Unsafe.Add(ref value, 1);
			int num = valueLength - 1;
			int num2 = 0;
			while (true)
			{
				int num3 = searchSpaceLength - num2 - num;
				if (num3 <= 0)
				{
					break;
				}
				int num4 = IndexOf(ref Unsafe.Add(ref searchSpace, num2), value2, num3);
				if (num4 == -1)
				{
					break;
				}
				num2 += num4;
				if (SequenceEqual(ref Unsafe.Add(ref searchSpace, num2 + 1), ref second, num))
				{
					return num2;
				}
				num2++;
			}
			return -1;
		}

		public static int IndexOfAny(ref byte searchSpace, int searchSpaceLength, ref byte value, int valueLength)
		{
			if (valueLength == 0)
			{
				return 0;
			}
			int num = -1;
			for (int i = 0; i < valueLength; i++)
			{
				int num2 = IndexOf(ref searchSpace, Unsafe.Add(ref value, i), searchSpaceLength);
				if ((uint)num2 < (uint)num)
				{
					num = num2;
					searchSpaceLength = num2;
					if (num == 0)
					{
						break;
					}
				}
			}
			return num;
		}

		public static int LastIndexOfAny(ref byte searchSpace, int searchSpaceLength, ref byte value, int valueLength)
		{
			if (valueLength == 0)
			{
				return 0;
			}
			int num = -1;
			for (int i = 0; i < valueLength; i++)
			{
				int num2 = LastIndexOf(ref searchSpace, Unsafe.Add(ref value, i), searchSpaceLength);
				if (num2 > num)
				{
					num = num2;
				}
			}
			return num;
		}

		public unsafe static int IndexOf(ref byte searchSpace, byte value, int length)
		{
			IntPtr intPtr = (IntPtr)0;
			IntPtr intPtr2 = (IntPtr)length;
			if (Vector.IsHardwareAccelerated && length >= Vector<byte>.Count * 2)
			{
				int num = (int)Unsafe.AsPointer(ref searchSpace) & (Vector<byte>.Count - 1);
				intPtr2 = (IntPtr)((Vector<byte>.Count - num) & (Vector<byte>.Count - 1));
			}
			while (true)
			{
				if ((nuint)(void*)intPtr2 >= (nuint)8u)
				{
					intPtr2 -= 8;
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr))
					{
						goto IL_0242;
					}
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 1))
					{
						goto IL_024a;
					}
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 2))
					{
						goto IL_0258;
					}
					if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 3))
					{
						if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 4))
						{
							if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 5))
							{
								if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 6))
								{
									if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 7))
									{
										break;
									}
									intPtr += 8;
									continue;
								}
								return (int)(void*)(intPtr + 6);
							}
							return (int)(void*)(intPtr + 5);
						}
						return (int)(void*)(intPtr + 4);
					}
					goto IL_0266;
				}
				if ((nuint)(void*)intPtr2 >= (nuint)4u)
				{
					intPtr2 -= 4;
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr))
					{
						goto IL_0242;
					}
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 1))
					{
						goto IL_024a;
					}
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 2))
					{
						goto IL_0258;
					}
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 3))
					{
						goto IL_0266;
					}
					intPtr += 4;
				}
				while ((void*)intPtr2 != null)
				{
					intPtr2 -= 1;
					if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr))
					{
						intPtr += 1;
						continue;
					}
					goto IL_0242;
				}
				if (Vector.IsHardwareAccelerated && (int)(void*)intPtr < length)
				{
					intPtr2 = (IntPtr)((length - (int)(void*)intPtr) & ~(Vector<byte>.Count - 1));
					Vector<byte> vector = GetVector(value);
					for (; (void*)intPtr2 > (void*)intPtr; intPtr += Vector<byte>.Count)
					{
						Vector<byte> vector2 = Vector.Equals(vector, Unsafe.ReadUnaligned<Vector<byte>>(ref Unsafe.AddByteOffset(ref searchSpace, intPtr)));
						if (!Vector<byte>.Zero.Equals(vector2))
						{
							return (int)(void*)intPtr + LocateFirstFoundByte(vector2);
						}
					}
					if ((int)(void*)intPtr < length)
					{
						intPtr2 = (IntPtr)(length - (int)(void*)intPtr);
						continue;
					}
				}
				return -1;
				IL_0266:
				return (int)(void*)(intPtr + 3);
				IL_0242:
				return (int)(void*)intPtr;
				IL_0258:
				return (int)(void*)(intPtr + 2);
				IL_024a:
				return (int)(void*)(intPtr + 1);
			}
			return (int)(void*)(intPtr + 7);
		}

		public static int LastIndexOf(ref byte searchSpace, int searchSpaceLength, ref byte value, int valueLength)
		{
			if (valueLength == 0)
			{
				return 0;
			}
			byte value2 = value;
			ref byte second = ref Unsafe.Add(ref value, 1);
			int num = valueLength - 1;
			int num2 = 0;
			while (true)
			{
				int num3 = searchSpaceLength - num2 - num;
				if (num3 <= 0)
				{
					break;
				}
				int num4 = LastIndexOf(ref searchSpace, value2, num3);
				if (num4 == -1)
				{
					break;
				}
				if (SequenceEqual(ref Unsafe.Add(ref searchSpace, num4 + 1), ref second, num))
				{
					return num4;
				}
				num2 += num3 - num4;
			}
			return -1;
		}

		public unsafe static int LastIndexOf(ref byte searchSpace, byte value, int length)
		{
			IntPtr intPtr = (IntPtr)length;
			IntPtr intPtr2 = (IntPtr)length;
			if (Vector.IsHardwareAccelerated && length >= Vector<byte>.Count * 2)
			{
				int num = (int)Unsafe.AsPointer(ref searchSpace) & (Vector<byte>.Count - 1);
				intPtr2 = (IntPtr)(((length & (Vector<byte>.Count - 1)) + num) & (Vector<byte>.Count - 1));
			}
			while (true)
			{
				if ((nuint)(void*)intPtr2 >= (nuint)8u)
				{
					intPtr2 -= 8;
					intPtr -= 8;
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 7))
					{
						break;
					}
					if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 6))
					{
						if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 5))
						{
							if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 4))
							{
								if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 3))
								{
									if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 2))
									{
										if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr + 1))
										{
											if (value != Unsafe.AddByteOffset(ref searchSpace, intPtr))
											{
												continue;
											}
											goto IL_0254;
										}
										goto IL_025c;
									}
									goto IL_026a;
								}
								goto IL_0278;
							}
							return (int)(void*)(intPtr + 4);
						}
						return (int)(void*)(intPtr + 5);
					}
					return (int)(void*)(intPtr + 6);
				}
				if ((nuint)(void*)intPtr2 >= (nuint)4u)
				{
					intPtr2 -= 4;
					intPtr -= 4;
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 3))
					{
						goto IL_0278;
					}
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 2))
					{
						goto IL_026a;
					}
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr + 1))
					{
						goto IL_025c;
					}
					if (value == Unsafe.AddByteOffset(ref searchSpace, intPtr))
					{
						goto IL_0254;
					}
				}
				while ((void*)intPtr2 != null)
				{
					intPtr2 -= 1;
					intPtr -= 1;
					if (val

plugins/Buttplug.Client.Connectors.WebsocketConnector.dll

Decompiled a year ago
using System;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Text;
using System.Threading;
using System.Threading.Channels;
using System.Threading.Tasks;
using Buttplug.Core;
using Buttplug.Core.Messages;
using vtortola.WebSockets;
using vtortola.WebSockets.Rfc6455;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyCompany("Nonpolynomial Labs, LLC")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyCopyright("Copyright Nonpolynomial Labs, LLC")]
[assembly: AssemblyDescription("Websocket Connection Capabilities for Buttplug Clients. (.Net Standard 2.0+)")]
[assembly: AssemblyFileVersion("3.0.1.0")]
[assembly: AssemblyInformationalVersion("3.0.1+4dbc02a18cc93accd82c59632d17bf779d09bf97")]
[assembly: AssemblyProduct("Buttplug.Client.Connectors.WebsocketConnector")]
[assembly: AssemblyTitle("Buttplug.Client.Connectors.WebsocketConnector")]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/buttplugio/buttplug-csharp")]
[assembly: AssemblyVersion("3.0.1.0")]
namespace Buttplug.Client.Connectors.WebsocketConnector;

public class ButtplugWebsocketConnector : ButtplugRemoteJSONConnector, IButtplugClientConnector
{
	private WebSocketClient _wsClient;

	private WebSocket _ws;

	private readonly SynchronizationContext _owningDispatcher = SynchronizationContext.Current ?? new SynchronizationContext();

	private readonly Uri _uri;

	private Channel<string> _channel = Channel.CreateBounded<string>(256);

	private Task _readTask;

	public bool Connected
	{
		get
		{
			WebSocket ws = _ws;
			if (ws == null)
			{
				return false;
			}
			return ws.IsConnected;
		}
	}

	public event EventHandler Disconnected;

	public ButtplugWebsocketConnector(Uri uri)
	{
		_uri = uri;
	}

	public async Task ConnectAsync(CancellationToken token = default(CancellationToken))
	{
		if (_ws != null)
		{
			throw new ButtplugHandshakeException("Websocket connector is already connected.", 0u, (Exception)null);
		}
		WebSocketListenerOptions val = new WebSocketListenerOptions
		{
			SendBufferSize = 8192,
			BufferManager = BufferManager.CreateBufferManager(819200L, 8192),
			PingTimeout = Timeout.InfiniteTimeSpan,
			PingMode = (PingMode)0
		};
		WebSocketFactoryCollectionExtensions.RegisterRfc6455(val.Standards, (Action<WebSocketFactoryRfc6455>)null);
		_wsClient = new WebSocketClient(val);
		try
		{
			_ws = await _wsClient.ConnectAsync(_uri, token).ConfigureAwait(continueOnCapturedContext: false);
		}
		catch (Exception ex)
		{
			throw new ButtplugClientConnectorException("Websocket Connection Exception! See Inner Exception", ex);
		}
		_readTask = Task.Run(async delegate
		{
			await RunClientLoop(token).ConfigureAwait(continueOnCapturedContext: false);
		}, token);
	}

	public async Task DisconnectAsync(CancellationToken token = default(CancellationToken))
	{
		try
		{
			WebSocket ws = _ws;
			if (ws != null && ws.IsConnected)
			{
				await _ws.CloseAsync().ConfigureAwait(continueOnCapturedContext: false);
			}
		}
		catch
		{
		}
		await _readTask.ConfigureAwait(continueOnCapturedContext: false);
	}

	public async Task<ButtplugMessage> SendAsync(ButtplugMessage msg, CancellationToken token)
	{
		var (item, msgPromise) = ((ButtplugRemoteJSONConnector)this).PrepareMessage(msg);
		await _channel.Writer.WriteAsync(item);
		return await msgPromise.ConfigureAwait(continueOnCapturedContext: false);
	}

	private async Task RunClientLoop(CancellationToken token)
	{
		_ = 4;
		try
		{
			UTF8Encoding utf8NoBom = new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: false);
			Task<WebSocketMessageReadStream> readTask = _ws.ReadMessageAsync(token);
			Task<string> writeTask = _channel.Reader.ReadAsync(token).AsTask();
			while (_ws.IsConnected && !token.IsCancellationRequested)
			{
				await Task.WhenAny(new Task[2] { readTask, writeTask });
				if (readTask.IsCompleted)
				{
					WebSocketMessageReadStream val = await readTask.ConfigureAwait(continueOnCapturedContext: false);
					if (val == null)
					{
						break;
					}
					if ((int)val.MessageType == 1)
					{
						string text = string.Empty;
						using (StreamReader reader = new StreamReader((Stream)(object)val, utf8NoBom))
						{
							text = await reader.ReadToEndAsync();
						}
						((ButtplugRemoteJSONConnector)this).ReceiveMessages(text);
					}
					readTask = _ws.ReadMessageAsync(token);
					continue;
				}
				if (readTask.IsCanceled)
				{
					break;
				}
				if (writeTask.IsCompleted)
				{
					try
					{
						string text2 = await writeTask.ConfigureAwait(continueOnCapturedContext: false);
						if (text2 != null)
						{
							WebSocket ws = _ws;
							if (ws != null && ws.IsConnected)
							{
								await WebSocketStringExtensions.WriteStringAsync(_ws, text2, token).ConfigureAwait(continueOnCapturedContext: false);
								writeTask = _channel.Reader.ReadAsync(token).AsTask();
								continue;
							}
						}
					}
					catch (WebSocketException val2)
					{
						WebSocketException val3 = val2;
						throw new ButtplugClientConnectorException("Websocket Client Read Error", (Exception)(object)val3);
					}
					break;
				}
				if (writeTask.IsCanceled)
				{
					Console.WriteLine("Write cancelled");
				}
			}
		}
		catch (Exception)
		{
		}
		finally
		{
			_ws.CloseAsync().Dispose();
			_ws = null;
			_owningDispatcher.Send(delegate
			{
				((ButtplugRemoteJSONConnector)this).Dispose();
			}, null);
			_owningDispatcher.Send(delegate
			{
				this.Disconnected?.Invoke(this, EventArgs.Empty);
			}, null);
		}
	}

	void IButtplugClientConnector.add_MessageReceived(EventHandler<MessageReceivedEventArgs> value)
	{
		((ButtplugRemoteJSONConnector)this).MessageReceived += value;
	}

	void IButtplugClientConnector.remove_MessageReceived(EventHandler<MessageReceivedEventArgs> value)
	{
		((ButtplugRemoteJSONConnector)this).MessageReceived -= value;
	}

	void IButtplugClientConnector.add_InvalidMessageReceived(EventHandler<ButtplugExceptionEventArgs> value)
	{
		((ButtplugRemoteJSONConnector)this).InvalidMessageReceived += value;
	}

	void IButtplugClientConnector.remove_InvalidMessageReceived(EventHandler<ButtplugExceptionEventArgs> value)
	{
		((ButtplugRemoteJSONConnector)this).InvalidMessageReceived -= value;
	}
}

plugins/Buttplug.dll

Decompiled a year ago
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
using System.Runtime.Versioning;
using System.Text;
using System.Text.Json;
using System.Text.Json.Nodes;
using System.Text.Json.Serialization;
using System.Threading;
using System.Threading.Tasks;
using Buttplug.Core;
using Buttplug.Core.Messages;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: InternalsVisibleTo("Buttplug.Test")]
[assembly: InternalsVisibleTo("Buttplug.Client.Test")]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyCompany("Nonpolynomial Labs, LLC")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyCopyright("Copyright Nonpolynomial Labs, LLC")]
[assembly: AssemblyDescription("Buttplug Sex Toy Control Library. Contains Core (messages, errors, etc), and Client components. Server can be found in Buttplug.FFI.Server (.Net Standard 2.0+)")]
[assembly: AssemblyFileVersion("3.0.1.0")]
[assembly: AssemblyInformationalVersion("3.0.1+4dbc02a18cc93accd82c59632d17bf779d09bf97")]
[assembly: AssemblyProduct("Buttplug")]
[assembly: AssemblyTitle("Buttplug")]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/buttplugio/buttplug-csharp")]
[assembly: AssemblyVersion("3.0.1.0")]
namespace Buttplug.Core
{
	public static class ButtplugConsts
	{
		public const uint SystemMsgId = 0u;

		public const uint DefaultMsgId = 1u;

		public const uint CurrentSpecVersion = 3u;
	}
	public class ButtplugDeviceException : ButtplugException
	{
		public ButtplugDeviceException(string message, uint id = 0u, Exception inner = null)
			: base(message, Error.ErrorClass.ERROR_DEVICE, id, inner)
		{
		}
	}
	public class ButtplugException : Exception
	{
		public Error ButtplugErrorMessage { get; }

		public static ButtplugException FromError(Error msg)
		{
			return msg.ErrorCode switch
			{
				Error.ErrorClass.ERROR_DEVICE => new ButtplugDeviceException(msg.ErrorMessage, msg.Id), 
				Error.ErrorClass.ERROR_INIT => new ButtplugHandshakeException(msg.ErrorMessage, msg.Id), 
				Error.ErrorClass.ERROR_MSG => new ButtplugMessageException(msg.ErrorMessage, msg.Id), 
				Error.ErrorClass.ERROR_PING => new ButtplugPingException(msg.ErrorMessage, msg.Id), 
				Error.ErrorClass.ERROR_UNKNOWN => new ButtplugException(msg.ErrorMessage, msg.Id), 
				_ => new ButtplugException(msg.ErrorMessage, msg.Id), 
			};
		}

		public ButtplugException(string message, uint id = 0u, Exception inner = null)
			: this(message, Error.ErrorClass.ERROR_UNKNOWN, id, inner)
		{
		}

		public ButtplugException(string message, Error.ErrorClass err = Error.ErrorClass.ERROR_UNKNOWN, uint id = 0u, Exception inner = null)
			: base(message, inner)
		{
			ButtplugErrorMessage = new Error(message, err, id);
		}
	}
	public class ButtplugExceptionEventArgs : EventArgs
	{
		public ButtplugException Exception { get; }

		public ButtplugExceptionEventArgs(ButtplugException ex)
		{
			Exception = ex;
		}
	}
	public class ButtplugHandshakeException : ButtplugException
	{
		public ButtplugHandshakeException(string message, uint id = 0u, Exception inner = null)
			: base(message, Error.ErrorClass.ERROR_INIT, id, inner)
		{
		}
	}
	public class ButtplugJsonMessageParser
	{
		private readonly Dictionary<string, Type> _messageTypes;

		private readonly JsonSerializerOptions _serializerOptions;

		public ButtplugJsonMessageParser()
		{
			_serializerOptions = new JsonSerializerOptions
			{
				IncludeFields = true
			};
			_messageTypes = new Dictionary<string, Type>();
			foreach (Type allMessageType in ButtplugUtils.GetAllMessageTypes())
			{
				_messageTypes.Add(allMessageType.Name, allMessageType);
			}
			if (!_messageTypes.Any())
			{
				throw new ButtplugMessageException("No message types available.");
			}
		}

		public IEnumerable<ButtplugMessage> Deserialize(string jsonMsg)
		{
			byte[] bytes = Encoding.UTF8.GetBytes(jsonMsg);
			List<ButtplugMessage> list = new List<ButtplugMessage>();
			JsonDocument jsonDocument;
			try
			{
				jsonDocument = JsonDocument.Parse(bytes);
			}
			catch (JsonException ex)
			{
				throw new ButtplugMessageException("Not valid JSON: " + jsonMsg + " - " + ex.Message);
			}
			foreach (JsonElement item in jsonDocument.RootElement.EnumerateArray())
			{
				string text = string.Empty;
				foreach (JsonProperty item2 in item.EnumerateObject())
				{
					text = item2.Name;
				}
				if (!_messageTypes.ContainsKey(text))
				{
					throw new ButtplugMessageException(text + " is not a valid message class");
				}
				list.Add(DeserializeAs(item, _messageTypes[text]));
			}
			return list;
		}

		private ButtplugMessage DeserializeAs(JsonElement obj, Type msgType)
		{
			if (!msgType.IsSubclassOf(typeof(ButtplugMessage)))
			{
				throw new ButtplugMessageException("Type " + msgType.Name + " is not a subclass of ButtplugMessage");
			}
			if (msgType.Namespace != "Buttplug.Core.Messages")
			{
				throw new ButtplugMessageException("Type " + msgType.Name + " (" + msgType.Namespace + ") is not in the namespace of Buttplug.Core.Messages");
			}
			string name = ButtplugMessage.GetName(msgType);
			try
			{
				return (ButtplugMessage)obj.GetProperty(name).Deserialize(msgType, _serializerOptions);
			}
			catch (InvalidCastException ex)
			{
				throw new ButtplugMessageException($"Could not create message for JSON {obj}: {ex.Message}");
			}
			catch (JsonException ex2)
			{
				throw new ButtplugMessageException($"Could not create message for JSON {obj}: {ex2.Message}");
			}
		}

		public string Serialize(ButtplugMessage msg)
		{
			if (msg.GetType().Namespace != "Buttplug.Core.Messages")
			{
				throw new ButtplugMessageException("Type " + msg.GetType().Name + " (" + msg.GetType().Namespace + ") is not in the namespace of Buttplug.Core.Messages");
			}
			JsonNode jsonNode = ButtplugMessageToJObject(msg);
			if (jsonNode == null)
			{
				throw new ButtplugMessageException("Message cannot be converted to JSON.", msg.Id);
			}
			return new JsonArray { jsonNode }.ToJsonString();
		}

		public string Serialize(IEnumerable<ButtplugMessage> msgs)
		{
			JsonArray jsonArray = new JsonArray();
			foreach (ButtplugMessage msg in msgs)
			{
				JsonNode jsonNode = ButtplugMessageToJObject(msg);
				if (jsonNode != null)
				{
					jsonArray.Add(jsonNode);
				}
			}
			if (!jsonArray.Any())
			{
				throw new ButtplugMessageException("No messages serialized.");
			}
			return jsonArray.ToJsonString();
		}

		private JsonNode ButtplugMessageToJObject(ButtplugMessage msg)
		{
			return new JsonObject(new List<KeyValuePair<string, JsonNode>>
			{
				new KeyValuePair<string, JsonNode>(msg.Name, JsonSerializer.SerializeToNode(msg, msg.GetType(), _serializerOptions))
			});
		}
	}
	public class ButtplugMessageException : ButtplugException
	{
		public ButtplugMessageException(string message, uint id = 0u, Exception inner = null)
			: base(message, Error.ErrorClass.ERROR_MSG, id, inner)
		{
		}
	}
	public class ButtplugPingException : ButtplugException
	{
		public ButtplugPingException(string message, uint id = 0u, Exception inner = null)
			: base(message, Error.ErrorClass.ERROR_PING, id, inner)
		{
		}
	}
	public static class ButtplugUtils
	{
		public static IEnumerable<Type> GetAllMessageTypes()
		{
			IEnumerable<Type> enumerable;
			try
			{
				enumerable = Assembly.GetAssembly(typeof(ButtplugMessage))?.GetTypes();
			}
			catch (ReflectionTypeLoadException ex)
			{
				enumerable = ex.Types;
			}
			return (enumerable ?? throw new InvalidOperationException()).Where((Type type) => type != null && type.IsClass && type.IsSubclassOf(typeof(ButtplugMessage)) && type != typeof(ButtplugDeviceMessage));
		}

		[DebuggerStepThrough]
		public static void ArgumentNotNull(object argument, string argumentName)
		{
			if (argument == null)
			{
				throw new ArgumentNullException(argumentName);
			}
		}

		public static Type GetMessageType(string messageName)
		{
			return Type.GetType("Buttplug.Core.Messages." + messageName);
		}
	}
}
namespace Buttplug.Core.Messages
{
	public class ButtplugDeviceMessage : ButtplugMessage
	{
		[JsonRequired]
		public uint DeviceIndex { get; set; }

		public ButtplugDeviceMessage(uint id = 1u, uint deviceIndex = uint.MaxValue)
			: base(id)
		{
			DeviceIndex = deviceIndex;
		}
	}
	public abstract class ButtplugMessage
	{
		private static readonly Dictionary<Type, ButtplugMessageMetadata> _metadataCache = new Dictionary<Type, ButtplugMessageMetadata>();

		[JsonRequired]
		public uint Id { get; set; }

		[JsonIgnore]
		public string Name => GetName(GetType());

		protected ButtplugMessage(uint id)
		{
			Id = id;
		}

		private static T GetMessageAttribute<T>(Type msgType, Func<ButtplugMessageMetadata, T> func)
		{
			ButtplugUtils.ArgumentNotNull(msgType, "msgType");
			ButtplugUtils.ArgumentNotNull(func, "func");
			if (!msgType.IsSubclassOf(typeof(ButtplugMessage)))
			{
				throw new ArgumentException("Argument " + msgType.Name + " must be a subclass of ButtplugMessage");
			}
			if (_metadataCache.ContainsKey(msgType))
			{
				return func(_metadataCache[msgType]);
			}
			Attribute[] customAttributes = Attribute.GetCustomAttributes(msgType);
			for (int i = 0; i < customAttributes.Length; i++)
			{
				if (customAttributes[i] is ButtplugMessageMetadata buttplugMessageMetadata)
				{
					_metadataCache[msgType] = buttplugMessageMetadata;
					return func(buttplugMessageMetadata);
				}
			}
			throw new ArgumentException($"Type {msgType} does not have ButtplugMessageMetadata Attributes");
		}

		public static string GetName(Type msgType)
		{
			return GetMessageAttribute(msgType, (ButtplugMessageMetadata md) => md.Name);
		}
	}
	public interface IButtplugMessageOutgoingOnly
	{
	}
	public interface IButtplugDeviceInfoMessage
	{
		string DeviceName { get; }

		uint DeviceIndex { get; }

		DeviceMessageAttributes DeviceMessages { get; }

		string DeviceDisplayName { get; }

		uint DeviceMessageTimingGap { get; }
	}
	[AttributeUsage(AttributeTargets.Class)]
	public class ButtplugMessageMetadata : Attribute
	{
		public string Name { get; }

		public ButtplugMessageMetadata(string name)
		{
			Name = name;
		}
	}
	[JsonConverter(typeof(JsonStringEnumConverter))]
	public enum ActuatorType
	{
		[EnumMember(Value = "Unknown")]
		Unknown,
		[EnumMember(Value = "Vibrate")]
		Vibrate,
		[EnumMember(Value = "Rotate")]
		Rotate,
		[EnumMember(Value = "Oscillate")]
		Oscillate,
		[EnumMember(Value = "Constrict")]
		Constrict,
		[EnumMember(Value = "Inflate")]
		Inflate,
		[EnumMember(Value = "Position")]
		Position
	}
	[JsonConverter(typeof(JsonStringEnumConverter))]
	public enum SensorType
	{
		[EnumMember(Value = "Unknown")]
		Unknown,
		[EnumMember(Value = "Battery")]
		Battery,
		[EnumMember(Value = "RSSI")]
		RSSI,
		[EnumMember(Value = "Button")]
		Button,
		[EnumMember(Value = "Pressure")]
		Pressure
	}
	public class GenericDeviceMessageAttributes
	{
		[JsonIgnore]
		internal uint _index;

		[JsonRequired]
		public string FeatureDescriptor;

		[JsonRequired]
		[JsonConverter(typeof(JsonStringEnumConverter))]
		public ActuatorType ActuatorType;

		[JsonRequired]
		public uint StepCount;

		[JsonIgnore]
		public uint Index => _index;
	}
	public class SensorDeviceMessageAttributes
	{
		[JsonIgnore]
		internal uint _index;

		[JsonRequired]
		public string FeatureDescriptor;

		[JsonRequired]
		[JsonConverter(typeof(JsonStringEnumConverter))]
		public SensorType SensorType;

		[JsonRequired]
		public uint[][] SensorRange;

		[JsonIgnore]
		public uint Index => _index;
	}
	public class RawDeviceMessageAttributes
	{
		public readonly string[] Endpoints;
	}
	public class NullDeviceMessageAttributes
	{
	}
	public class DeviceMessageAttributes
	{
		public GenericDeviceMessageAttributes[] ScalarCmd;

		public GenericDeviceMessageAttributes[] RotateCmd;

		public GenericDeviceMessageAttributes[] LinearCmd;

		public SensorDeviceMessageAttributes[] SensorReadCmd;

		public SensorDeviceMessageAttributes[] SensorSubscribeCmd;

		public readonly RawDeviceMessageAttributes[] RawReadCmd;

		public readonly RawDeviceMessageAttributes[] RawWriteCmd;

		public readonly RawDeviceMessageAttributes[] RawSubscribeCmd;

		public readonly NullDeviceMessageAttributes StopDeviceCmd;

		[OnDeserialized]
		internal void OnDeserializedMethod(StreamingContext context)
		{
			ScalarCmd?.Select((GenericDeviceMessageAttributes x, int i) => (x, i)).ToList().ForEach(delegate((GenericDeviceMessageAttributes x, int i) x)
			{
				x.x._index = (uint)x.i;
			});
			RotateCmd?.Select((GenericDeviceMessageAttributes x, int i) => (x, i)).ToList().ForEach(delegate((GenericDeviceMessageAttributes x, int i) x)
			{
				x.x._index = (uint)x.i;
			});
			LinearCmd?.Select((GenericDeviceMessageAttributes x, int i) => (x, i)).ToList().ForEach(delegate((GenericDeviceMessageAttributes x, int i) x)
			{
				x.x._index = (uint)x.i;
			});
			SensorReadCmd?.Select((SensorDeviceMessageAttributes x, int i) => (x, i)).ToList().ForEach(delegate((SensorDeviceMessageAttributes x, int i) x)
			{
				x.x._index = (uint)x.i;
			});
			SensorSubscribeCmd?.Select((SensorDeviceMessageAttributes x, int i) => (x, i)).ToList().ForEach(delegate((SensorDeviceMessageAttributes x, int i) x)
			{
				x.x._index = (uint)x.i;
			});
		}
	}
	public class MessageReceivedEventArgs : EventArgs
	{
		public ButtplugMessage Message { get; }

		public MessageReceivedEventArgs(ButtplugMessage message)
		{
			Message = message;
		}
	}
	[ButtplugMessageMetadata("Ok")]
	public class Ok : ButtplugMessage, IButtplugMessageOutgoingOnly
	{
		public Ok(uint id)
			: base(id)
		{
		}
	}
	[ButtplugMessageMetadata("Test")]
	public class Test : ButtplugMessage
	{
		private string _testStringImpl;

		[JsonRequired]
		public string TestString
		{
			get
			{
				return _testStringImpl;
			}
			set
			{
				if (value == "Error")
				{
					throw new ArgumentException("Got an Error Message");
				}
				_testStringImpl = value;
			}
		}

		public Test(string str, uint id = 1u)
			: base(id)
		{
			TestString = str;
		}
	}
	[ButtplugMessageMetadata("Error")]
	public class Error : ButtplugMessage, IButtplugMessageOutgoingOnly
	{
		public enum ErrorClass
		{
			ERROR_UNKNOWN,
			ERROR_INIT,
			ERROR_PING,
			ERROR_MSG,
			ERROR_DEVICE
		}

		[JsonRequired]
		public ErrorClass ErrorCode;

		[JsonRequired]
		public string ErrorMessage;

		public Error(string errorMessage, ErrorClass errorCode, uint id)
			: base(id)
		{
			ErrorMessage = errorMessage;
			ErrorCode = errorCode;
		}
	}
	public class MessageAttributes : IEquatable<MessageAttributes>
	{
		[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
		public uint? FeatureCount;

		public MessageAttributes()
		{
		}

		public MessageAttributes(uint featureCount)
		{
			FeatureCount = featureCount;
		}

		public bool Equals(MessageAttributes attrs)
		{
			return FeatureCount == attrs.FeatureCount;
		}
	}
	public class DeviceMessageInfo : IButtplugDeviceInfoMessage
	{
		[JsonRequired]
		public string DeviceName;

		[JsonRequired]
		public uint DeviceIndex;

		public readonly string DeviceDisplayName;

		public readonly uint DeviceMessageTimingGap;

		[JsonRequired]
		public DeviceMessageAttributes DeviceMessages;

		string IButtplugDeviceInfoMessage.DeviceName => DeviceName;

		uint IButtplugDeviceInfoMessage.DeviceIndex => DeviceIndex;

		DeviceMessageAttributes IButtplugDeviceInfoMessage.DeviceMessages => DeviceMessages;

		string IButtplugDeviceInfoMessage.DeviceDisplayName => DeviceDisplayName;

		uint IButtplugDeviceInfoMessage.DeviceMessageTimingGap => DeviceMessageTimingGap;

		public DeviceMessageInfo(uint deviceIndex, string deviceName, DeviceMessageAttributes deviceMessages)
		{
			DeviceName = deviceName;
			DeviceIndex = deviceIndex;
			DeviceMessages = deviceMessages;
		}
	}
	[ButtplugMessageMetadata("DeviceList")]
	public class DeviceList : ButtplugMessage, IButtplugMessageOutgoingOnly
	{
		[JsonRequired]
		[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
		public DeviceMessageInfo[] Devices = new DeviceMessageInfo[0];

		public DeviceList(DeviceMessageInfo[] devices, uint id)
			: base(id)
		{
			Devices = devices;
		}

		internal DeviceList()
			: base(0u)
		{
		}
	}
	[ButtplugMessageMetadata("DeviceAdded")]
	public class DeviceAdded : ButtplugDeviceMessage, IButtplugMessageOutgoingOnly, IButtplugDeviceInfoMessage
	{
		[JsonRequired]
		public string DeviceName;

		public readonly string DeviceDisplayName;

		public readonly uint DeviceMessageTimingGap;

		[JsonRequired]
		public DeviceMessageAttributes DeviceMessages;

		string IButtplugDeviceInfoMessage.DeviceName => DeviceName;

		uint IButtplugDeviceInfoMessage.DeviceIndex => base.DeviceIndex;

		DeviceMessageAttributes IButtplugDeviceInfoMessage.DeviceMessages => DeviceMessages;

		string IButtplugDeviceInfoMessage.DeviceDisplayName => DeviceDisplayName;

		uint IButtplugDeviceInfoMessage.DeviceMessageTimingGap => DeviceMessageTimingGap;

		public DeviceAdded(uint deviceIndex, string deviceName, DeviceMessageAttributes deviceMessages)
			: base(0u, deviceIndex)
		{
			DeviceName = deviceName;
			DeviceMessages = deviceMessages;
		}

		internal DeviceAdded()
			: base(0u)
		{
		}
	}
	[ButtplugMessageMetadata("DeviceRemoved")]
	public class DeviceRemoved : ButtplugMessage, IButtplugMessageOutgoingOnly
	{
		[JsonRequired]
		public uint DeviceIndex;

		public DeviceRemoved(uint deviceIndex)
			: base(0u)
		{
			DeviceIndex = deviceIndex;
		}
	}
	[ButtplugMessageMetadata("RequestDeviceList")]
	public class RequestDeviceList : ButtplugMessage
	{
		public RequestDeviceList(uint id = 1u)
			: base(id)
		{
		}
	}
	[ButtplugMessageMetadata("StartScanning")]
	public class StartScanning : ButtplugMessage
	{
		public StartScanning(uint id = 1u)
			: base(id)
		{
		}
	}
	[ButtplugMessageMetadata("StopScanning")]
	public class StopScanning : ButtplugMessage
	{
		public StopScanning(uint id = 1u)
			: base(id)
		{
		}
	}
	[ButtplugMessageMetadata("ScanningFinished")]
	public class ScanningFinished : ButtplugMessage, IButtplugMessageOutgoingOnly
	{
		public ScanningFinished()
			: base(0u)
		{
		}
	}
	[ButtplugMessageMetadata("RequestServerInfo")]
	public class RequestServerInfo : ButtplugMessage
	{
		[JsonRequired]
		public string ClientName;

		[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
		public uint MessageVersion;

		public RequestServerInfo(string clientName, uint id = 1u, uint messageVersion = 3u)
			: base(id)
		{
			ClientName = clientName;
			MessageVersion = messageVersion;
		}
	}
	[ButtplugMessageMetadata("ServerInfo")]
	public class ServerInfo : ButtplugMessage, IButtplugMessageOutgoingOnly
	{
		[JsonRequired]
		public uint MessageVersion;

		[JsonRequired]
		public uint MaxPingTime;

		[JsonRequired]
		public string ServerName;

		public ServerInfo(string serverName, uint messageVersion, uint maxPingTime, uint id = 1u)
			: base(id)
		{
			ServerName = serverName;
			MessageVersion = messageVersion;
			MaxPingTime = maxPingTime;
		}
	}
	[ButtplugMessageMetadata("Ping")]
	public class Ping : ButtplugMessage
	{
		public Ping(uint id = 1u)
			: base(id)
		{
		}
	}
	public class GenericMessageSubcommand
	{
		[JsonRequired]
		public uint Index;

		protected GenericMessageSubcommand(uint index)
		{
			Index = index;
		}
	}
	[ButtplugMessageMetadata("ScalarCmd")]
	public class ScalarCmd : ButtplugDeviceMessage
	{
		public class ScalarSubcommand : GenericMessageSubcommand
		{
			private double _scalarImpl;

			public readonly ActuatorType ActuatorType;

			[JsonRequired]
			public double Scalar
			{
				get
				{
					return _scalarImpl;
				}
				set
				{
					if (value < 0.0)
					{
						throw new ArgumentException("ScalarCmd value cannot be less than 0!");
					}
					if (value > 1.0)
					{
						throw new ArgumentException("ScalarCmd value cannot be greater than 1!");
					}
					_scalarImpl = value;
				}
			}

			public ScalarSubcommand(uint index, double scalar, ActuatorType actuatorType)
				: base(index)
			{
				Scalar = scalar;
				ActuatorType = actuatorType;
			}
		}

		[JsonRequired]
		public List<ScalarSubcommand> Scalars;

		[JsonConstructor]
		public ScalarCmd(uint deviceIndex, List<ScalarSubcommand> scalars, uint id = 1u)
			: base(id, deviceIndex)
		{
			Scalars = scalars;
		}

		public ScalarCmd(List<ScalarSubcommand> scalars)
			: this(uint.MaxValue, scalars)
		{
		}
	}
	[ButtplugMessageMetadata("RotateCmd")]
	public class RotateCmd : ButtplugDeviceMessage
	{
		public class RotateSubcommand : GenericMessageSubcommand
		{
			private double _speedImpl;

			[JsonRequired]
			public bool Clockwise;

			[JsonRequired]
			public double Speed
			{
				get
				{
					return _speedImpl;
				}
				set
				{
					if (value < 0.0)
					{
						throw new ArgumentException("RotateCmd Speed cannot be less than 0!");
					}
					if (value > 1.0)
					{
						throw new ArgumentException("RotateCmd Speed cannot be greater than 1!");
					}
					_speedImpl = value;
				}
			}

			public RotateSubcommand(uint index, double speed, bool clockwise)
				: base(index)
			{
				Speed = speed;
				Clockwise = clockwise;
			}
		}

		[JsonRequired]
		public List<RotateSubcommand> Rotations;

		public static RotateCmd Create(double speed, bool clockwise, uint cmdCount)
		{
			return Create(uint.MaxValue, 1u, Enumerable.Repeat((speed, clockwise), (int)cmdCount));
		}

		public static RotateCmd Create(IEnumerable<(double speed, bool clockwise)> cmds)
		{
			return Create(uint.MaxValue, 1u, cmds);
		}

		public static RotateCmd Create(uint deviceIndex, uint msgId, double speed, bool clockwise, uint cmdCount)
		{
			return Create(deviceIndex, msgId, Enumerable.Repeat((speed, clockwise), (int)cmdCount));
		}

		public static RotateCmd Create(uint deviceIndex, uint msgId, IEnumerable<(double speed, bool clockwise)> cmds)
		{
			List<RotateSubcommand> list = new List<RotateSubcommand>(cmds.Count());
			uint num = 0u;
			foreach (var (speed, clockwise) in cmds)
			{
				list.Add(new RotateSubcommand(num, speed, clockwise));
				num++;
			}
			return new RotateCmd(deviceIndex, list, msgId);
		}

		[JsonConstructor]
		public RotateCmd(uint deviceIndex, List<RotateSubcommand> rotations, uint id = 1u)
			: base(id, deviceIndex)
		{
			Rotations = rotations;
		}

		public RotateCmd(List<RotateSubcommand> rotations)
			: this(uint.MaxValue, rotations)
		{
		}
	}
	[ButtplugMessageMetadata("LinearCmd")]
	public class LinearCmd : ButtplugDeviceMessage
	{
		public class VectorSubcommand : GenericMessageSubcommand
		{
			private double _positionImpl;

			[JsonRequired]
			public uint Duration;

			[JsonRequired]
			public double Position
			{
				get
				{
					return _positionImpl;
				}
				set
				{
					if (value < 0.0)
					{
						throw new ArgumentException("LinearCmd Speed cannot be less than 0!");
					}
					if (value > 1.0)
					{
						throw new ArgumentException("LinearCmd Speed cannot be greater than 1!");
					}
					_positionImpl = value;
				}
			}

			public VectorSubcommand(uint index, uint duration, double position)
				: base(index)
			{
				Duration = duration;
				Position = position;
			}
		}

		[JsonRequired]
		public List<VectorSubcommand> Vectors;

		public static LinearCmd Create(uint duration, double position, uint cmdCount)
		{
			return Create(uint.MaxValue, 1u, Enumerable.Repeat((duration, position), (int)cmdCount));
		}

		public static LinearCmd Create(uint deviceIndex, uint msgId, uint duration, double position, uint cmdCount)
		{
			return Create(deviceIndex, msgId, Enumerable.Repeat((duration, position), (int)cmdCount));
		}

		public static LinearCmd Create(IEnumerable<(uint duration, double position)> cmds)
		{
			return Create(uint.MaxValue, 1u, cmds);
		}

		public static LinearCmd Create(uint deviceIndex, uint msgId, IEnumerable<(uint duration, double position)> cmds)
		{
			List<VectorSubcommand> list = new List<VectorSubcommand>(cmds.Count());
			uint num = 0u;
			foreach (var (duration, position) in cmds)
			{
				list.Add(new VectorSubcommand(num, duration, position));
				num++;
			}
			return new LinearCmd(deviceIndex, list, msgId);
		}

		[JsonConstructor]
		public LinearCmd(uint deviceIndex, List<VectorSubcommand> vectors, uint id = 1u)
			: base(id, deviceIndex)
		{
			Vectors = vectors;
		}

		public LinearCmd(List<VectorSubcommand> vectors)
			: this(uint.MaxValue, vectors)
		{
		}
	}
	[ButtplugMessageMetadata("StopDeviceCmd")]
	public class StopDeviceCmd : ButtplugDeviceMessage
	{
		public StopDeviceCmd(uint deviceIndex = uint.MaxValue, uint id = 1u)
			: base(id, deviceIndex)
		{
		}
	}
	[ButtplugMessageMetadata("StopAllDevices")]
	public class StopAllDevices : ButtplugMessage
	{
		public StopAllDevices(uint id = 1u)
			: base(id)
		{
		}
	}
	[ButtplugMessageMetadata("SensorReadCmd")]
	public class SensorReadCmd : ButtplugDeviceMessage
	{
		[JsonRequired]
		public uint SensorIndex;

		[JsonRequired]
		public SensorType SensorType;

		[JsonConstructor]
		public SensorReadCmd(uint deviceIndex, uint sensorIndex, SensorType sensorType, uint id = 1u)
			: base(id, deviceIndex)
		{
			SensorIndex = sensorIndex;
			SensorType = sensorType;
		}

		public SensorReadCmd(uint sensorIndex, SensorType sensorType)
			: this(uint.MaxValue, sensorIndex, sensorType)
		{
		}
	}
	[ButtplugMessageMetadata("SensorReading")]
	public class SensorReading : ButtplugDeviceMessage
	{
		[JsonRequired]
		public uint SensorIndex;

		[JsonRequired]
		public SensorType SensorType;

		[JsonRequired]
		public List<int> data;
	}
}
namespace Buttplug.Client
{
	public class ButtplugClient : IDisposable
	{
		protected Timer _pingTimer;

		internal ButtplugClientMessageHandler _handler;

		private readonly ConcurrentDictionary<uint, ButtplugClientDevice> _devices = new ConcurrentDictionary<uint, ButtplugClientDevice>();

		private IButtplugClientConnector _connector;

		public string Name { get; }

		public ButtplugClientDevice[] Devices => _devices.Values.ToArray();

		public bool Connected => _connector?.Connected ?? false;

		public event EventHandler<DeviceAddedEventArgs> DeviceAdded;

		public event EventHandler<DeviceRemovedEventArgs> DeviceRemoved;

		public event EventHandler<ButtplugExceptionEventArgs> ErrorReceived;

		public event EventHandler ScanningFinished;

		public event EventHandler PingTimeout;

		public event EventHandler ServerDisconnect;

		public ButtplugClient(string clientName)
		{
			Name = clientName;
		}

		public async Task ConnectAsync(IButtplugClientConnector connector, CancellationToken token = default(CancellationToken))
		{
			if (Connected)
			{
				throw new ButtplugHandshakeException("Client already connected to a server.");
			}
			ButtplugUtils.ArgumentNotNull(connector, "connector");
			_connector = connector;
			_connector.Disconnected += delegate(object obj, EventArgs eventArgs)
			{
				this.ServerDisconnect?.Invoke(obj, eventArgs);
			};
			_connector.InvalidMessageReceived += ConnectorErrorHandler;
			_connector.MessageReceived += MessageReceivedHandler;
			_devices.Clear();
			_handler = new ButtplugClientMessageHandler(connector);
			await _connector.ConnectAsync(token).ConfigureAwait(continueOnCapturedContext: false);
			ButtplugMessage res = await _handler.SendMessageAsync(new RequestServerInfo(Name), token).ConfigureAwait(continueOnCapturedContext: false);
			if (!(res is ServerInfo si))
			{
				if (res is Error e)
				{
					await DisconnectAsync().ConfigureAwait(continueOnCapturedContext: false);
					throw ButtplugException.FromError(e);
				}
				await DisconnectAsync().ConfigureAwait(continueOnCapturedContext: false);
				throw new ButtplugHandshakeException("Unrecognized message " + res.Name + " during handshake", res.Id);
			}
			if (si.MaxPingTime != 0)
			{
				_pingTimer?.Dispose();
				_pingTimer = new Timer(OnPingTimer, null, 0, Convert.ToInt32(Math.Round((double)si.MaxPingTime / 2.0, 0)));
			}
			if (si.MessageVersion < 3)
			{
				await DisconnectAsync().ConfigureAwait(continueOnCapturedContext: false);
				throw new ButtplugHandshakeException($"Buttplug Server's schema version ({si.MessageVersion}) is less than the client's ({3u}). A newer server is required.", res.Id);
			}
			ButtplugMessage resp = await _handler.SendMessageAsync(new RequestDeviceList()).ConfigureAwait(continueOnCapturedContext: false);
			if (resp is DeviceList deviceList)
			{
				DeviceMessageInfo[] devices = deviceList.Devices;
				foreach (DeviceMessageInfo deviceMessageInfo in devices)
				{
					if (!_devices.ContainsKey(deviceMessageInfo.DeviceIndex))
					{
						ButtplugClientDevice buttplugClientDevice = new ButtplugClientDevice(_handler, deviceMessageInfo);
						_devices[deviceMessageInfo.DeviceIndex] = buttplugClientDevice;
						this.DeviceAdded?.Invoke(this, new DeviceAddedEventArgs(buttplugClientDevice));
					}
				}
				return;
			}
			await DisconnectAsync().ConfigureAwait(continueOnCapturedContext: false);
			if (resp is Error msg)
			{
				throw ButtplugException.FromError(msg);
			}
			throw new ButtplugHandshakeException("Received unknown response to DeviceList handshake query");
		}

		public async Task DisconnectAsync()
		{
			if (Connected)
			{
				_connector.MessageReceived -= MessageReceivedHandler;
				await _connector.DisconnectAsync().ConfigureAwait(continueOnCapturedContext: false);
				this.ServerDisconnect?.Invoke(this, EventArgs.Empty);
			}
		}

		public async Task StartScanningAsync(CancellationToken token = default(CancellationToken))
		{
			await _handler.SendMessageExpectOk(new StartScanning(), token).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task StopScanningAsync(CancellationToken token = default(CancellationToken))
		{
			await _handler.SendMessageExpectOk(new StopScanning(), token).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task StopAllDevicesAsync(CancellationToken token = default(CancellationToken))
		{
			await _handler.SendMessageExpectOk(new StopAllDevices(), token).ConfigureAwait(continueOnCapturedContext: false);
		}

		private void ConnectorErrorHandler(object sender, ButtplugExceptionEventArgs exception)
		{
			this.ErrorReceived?.Invoke(this, exception);
		}

		private async void MessageReceivedHandler(object sender, MessageReceivedEventArgs args)
		{
			ButtplugMessage message = args.Message;
			if (!(message is DeviceAdded deviceAdded))
			{
				ButtplugClientDevice value;
				if (!(message is DeviceRemoved deviceRemoved))
				{
					if (!(message is ScanningFinished))
					{
						if (message is Error error)
						{
							this.ErrorReceived?.Invoke(this, new ButtplugExceptionEventArgs(ButtplugException.FromError(error)));
							if (error.ErrorCode == Error.ErrorClass.ERROR_PING)
							{
								this.PingTimeout?.Invoke(this, EventArgs.Empty);
								await DisconnectAsync().ConfigureAwait(continueOnCapturedContext: false);
							}
						}
						else
						{
							this.ErrorReceived?.Invoke(this, new ButtplugExceptionEventArgs(new ButtplugMessageException($"Got unhandled message: {message}", message.Id)));
						}
					}
					else
					{
						this.ScanningFinished?.Invoke(this, EventArgs.Empty);
					}
				}
				else if (!_devices.ContainsKey(deviceRemoved.DeviceIndex))
				{
					this.ErrorReceived?.Invoke(this, new ButtplugExceptionEventArgs(new ButtplugDeviceException("Got device removed message for unknown device.", message.Id)));
				}
				else if (_devices.TryRemove(deviceRemoved.DeviceIndex, out value))
				{
					this.DeviceRemoved?.Invoke(this, new DeviceRemovedEventArgs(value));
				}
			}
			else
			{
				ButtplugClientDevice dev = new ButtplugClientDevice(_handler, deviceAdded);
				_devices.AddOrUpdate(deviceAdded.DeviceIndex, dev, (uint u, ButtplugClientDevice device) => dev);
				this.DeviceAdded?.Invoke(this, new DeviceAddedEventArgs(dev));
			}
		}

		private async void OnPingTimer(object state)
		{
			try
			{
				await _handler.SendMessageExpectOk(new Ping()).ConfigureAwait(continueOnCapturedContext: false);
			}
			catch (Exception inner)
			{
				this.ErrorReceived?.Invoke(this, new ButtplugExceptionEventArgs(new ButtplugPingException("Exception thrown during ping update", 0u, inner)));
				await DisconnectAsync().ConfigureAwait(continueOnCapturedContext: false);
			}
		}

		protected virtual void Dispose(bool disposing)
		{
			DisconnectAsync().GetAwaiter().GetResult();
		}

		public void Dispose()
		{
			Dispose(disposing: true);
			GC.SuppressFinalize(this);
		}
	}
	public class ButtplugClientConnectorException : ButtplugException
	{
		public ButtplugClientConnectorException(string message, Exception inner = null)
			: base(message, Error.ErrorClass.ERROR_UNKNOWN, 0u, inner)
		{
		}
	}
	public class ButtplugClientDevice
	{
		private readonly ButtplugClientMessageHandler _handler;

		public uint Index { get; }

		public string Name { get; }

		public string DisplayName { get; }

		public uint MessageTimingGap { get; }

		public DeviceMessageAttributes MessageAttributes { get; }

		public List<GenericDeviceMessageAttributes> VibrateAttributes => GenericAcutatorAttributes(ActuatorType.Vibrate);

		public List<GenericDeviceMessageAttributes> OscillateAttributes => GenericAcutatorAttributes(ActuatorType.Oscillate);

		public List<GenericDeviceMessageAttributes> RotateAttributes
		{
			get
			{
				if (MessageAttributes.RotateCmd != null)
				{
					return MessageAttributes.RotateCmd.ToList();
				}
				return Enumerable.Empty<GenericDeviceMessageAttributes>().ToList();
			}
		}

		public List<GenericDeviceMessageAttributes> LinearAttributes
		{
			get
			{
				if (MessageAttributes.LinearCmd != null)
				{
					return MessageAttributes.LinearCmd.ToList();
				}
				return Enumerable.Empty<GenericDeviceMessageAttributes>().ToList();
			}
		}

		public bool HasBattery => SensorReadAttributes(SensorType.Battery).Any();

		internal ButtplugClientDevice(ButtplugClientMessageHandler handler, IButtplugDeviceInfoMessage devInfo)
			: this(handler, devInfo.DeviceIndex, devInfo.DeviceName, devInfo.DeviceMessages, devInfo.DeviceDisplayName, devInfo.DeviceMessageTimingGap)
		{
			ButtplugUtils.ArgumentNotNull(devInfo, "devInfo");
		}

		internal ButtplugClientDevice(ButtplugClientMessageHandler handler, uint index, string name, DeviceMessageAttributes messages, string displayName, uint messageTimingGap)
		{
			ButtplugUtils.ArgumentNotNull(handler, "handler");
			_handler = handler;
			Index = index;
			Name = name;
			MessageAttributes = messages;
			DisplayName = displayName;
			MessageTimingGap = messageTimingGap;
		}

		public List<GenericDeviceMessageAttributes> GenericAcutatorAttributes(ActuatorType actuator)
		{
			if (MessageAttributes.ScalarCmd != null)
			{
				return MessageAttributes.ScalarCmd.Where((GenericDeviceMessageAttributes x) => x.ActuatorType == actuator).ToList();
			}
			return Enumerable.Empty<GenericDeviceMessageAttributes>().ToList();
		}

		public async Task ScalarAsync(ScalarCmd.ScalarSubcommand command)
		{
			List<ScalarCmd.ScalarSubcommand> scalars = new List<ScalarCmd.ScalarSubcommand>();
			GenericAcutatorAttributes(command.ActuatorType).ForEach(delegate(GenericDeviceMessageAttributes x)
			{
				scalars.Add(new ScalarCmd.ScalarSubcommand(x.Index, command.Scalar, command.ActuatorType));
			});
			if (!scalars.Any())
			{
				throw new ButtplugDeviceException("Scalar command for device " + Name + " did not generate any commands. Are you sure the device supports the ActuatorType sent?");
			}
			await _handler.SendMessageExpectOk(new ScalarCmd(Index, scalars)).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task ScalarAsync(List<ScalarCmd.ScalarSubcommand> command)
		{
			if (!command.Any())
			{
				throw new ArgumentException("Command List for ScalarAsync must have at least 1 command.");
			}
			await _handler.SendMessageExpectOk(new ScalarCmd(Index, command)).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task VibrateAsync(double speed)
		{
			await ScalarAsync(new ScalarCmd.ScalarSubcommand(uint.MaxValue, speed, ActuatorType.Vibrate));
		}

		public async Task VibrateAsync(IEnumerable<double> cmds)
		{
			List<GenericDeviceMessageAttributes> vibrateAttributes = VibrateAttributes;
			if (cmds.Count() > vibrateAttributes.Count())
			{
				throw new ButtplugDeviceException($"Device {Name} only has {vibrateAttributes.Count()} vibrators, but {cmds.Count()} commands given.");
			}
			await ScalarAsync(vibrateAttributes.Select((GenericDeviceMessageAttributes x, int i) => new ScalarCmd.ScalarSubcommand(x.Index, cmds.ElementAt(i), ActuatorType.Vibrate)).ToList()).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task VibrateAsync(IEnumerable<(uint, double)> cmds)
		{
			await ScalarAsync(cmds.Select(((uint, double) x) => new ScalarCmd.ScalarSubcommand(x.Item1, x.Item2, ActuatorType.Vibrate)).ToList()).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task OscillateAsync(double speed)
		{
			await ScalarAsync(new ScalarCmd.ScalarSubcommand(uint.MaxValue, speed, ActuatorType.Oscillate));
		}

		public async Task OscillateAsync(IEnumerable<double> cmds)
		{
			List<GenericDeviceMessageAttributes> oscillateAttributes = OscillateAttributes;
			if (cmds.Count() > oscillateAttributes.Count())
			{
				throw new ButtplugDeviceException($"Device {Name} only has {oscillateAttributes.Count()} vibrators, but {cmds.Count()} commands given.");
			}
			await ScalarAsync(oscillateAttributes.Select((GenericDeviceMessageAttributes x, int i) => new ScalarCmd.ScalarSubcommand(x.Index, cmds.ElementAt(i), ActuatorType.Oscillate)).ToList()).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task OscillateAsync(IEnumerable<(uint, double)> cmds)
		{
			await ScalarAsync(cmds.Select(((uint, double) x) => new ScalarCmd.ScalarSubcommand(x.Item1, x.Item2, ActuatorType.Oscillate)).ToList()).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task RotateAsync(double speed, bool clockwise)
		{
			if (!RotateAttributes.Any())
			{
				throw new ButtplugDeviceException("Device " + Name + " does not support rotation");
			}
			RotateCmd rotateCmd = RotateCmd.Create(speed, clockwise, (uint)RotateAttributes.Count);
			rotateCmd.DeviceIndex = Index;
			await _handler.SendMessageExpectOk(rotateCmd).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task RotateAsync(IEnumerable<(double, bool)> cmds)
		{
			if (!RotateAttributes.Any())
			{
				throw new ButtplugDeviceException("Device " + Name + " does not support rotation");
			}
			RotateCmd rotateCmd = RotateCmd.Create(cmds);
			rotateCmd.DeviceIndex = Index;
			await _handler.SendMessageExpectOk(rotateCmd).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task LinearAsync(uint duration, double position)
		{
			if (!LinearAttributes.Any())
			{
				throw new ButtplugDeviceException("Device " + Name + " does not support linear position");
			}
			LinearCmd linearCmd = LinearCmd.Create(duration, position, (uint)LinearAttributes.Count);
			linearCmd.DeviceIndex = Index;
			await _handler.SendMessageExpectOk(linearCmd).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task LinearAsync(IEnumerable<(uint, double)> cmds)
		{
			if (!LinearAttributes.Any())
			{
				throw new ButtplugDeviceException("Device " + Name + " does not support linear position");
			}
			LinearCmd linearCmd = LinearCmd.Create(cmds);
			linearCmd.DeviceIndex = Index;
			await _handler.SendMessageExpectOk(linearCmd).ConfigureAwait(continueOnCapturedContext: false);
		}

		public List<SensorDeviceMessageAttributes> SensorReadAttributes(SensorType sensor)
		{
			if (MessageAttributes.SensorReadCmd != null)
			{
				return MessageAttributes.SensorReadCmd.Where((SensorDeviceMessageAttributes x) => x.SensorType == sensor).ToList();
			}
			return Enumerable.Empty<SensorDeviceMessageAttributes>().ToList();
		}

		public async Task<double> BatteryAsync()
		{
			if (!HasBattery)
			{
				throw new ButtplugDeviceException("Device " + Name + " does not have battery capabilities.");
			}
			ButtplugMessage buttplugMessage = await _handler.SendMessageAsync(new SensorReadCmd(Index, SensorReadAttributes(SensorType.Battery).ElementAt(0).Index, SensorType.Battery)).ConfigureAwait(continueOnCapturedContext: false);
			if (!(buttplugMessage is SensorReading sensorReading))
			{
				if (buttplugMessage is Error msg)
				{
					throw ButtplugException.FromError(msg);
				}
				throw new ButtplugMessageException("Message type " + buttplugMessage.Name + " not handled by BatteryAsync", buttplugMessage.Id);
			}
			return (double)sensorReading.data[0] / 100.0;
		}

		public async Task Stop()
		{
			await _handler.SendMessageExpectOk(new StopDeviceCmd(Index)).ConfigureAwait(continueOnCapturedContext: false);
		}
	}
	internal class ButtplugClientMessageHandler
	{
		private IButtplugClientConnector _connector;

		internal ButtplugClientMessageHandler(IButtplugClientConnector connector)
		{
			_connector = connector;
		}

		public async Task<ButtplugMessage> SendMessageAsync(ButtplugMessage msg, CancellationToken token = default(CancellationToken))
		{
			if (!_connector.Connected)
			{
				throw new ButtplugClientConnectorException("Client not connected.");
			}
			return await _connector.SendAsync(msg, token).ConfigureAwait(continueOnCapturedContext: false);
		}

		public async Task SendMessageExpectOk(ButtplugMessage msg, CancellationToken token = default(CancellationToken))
		{
			ButtplugMessage buttplugMessage = await SendMessageAsync(msg, token).ConfigureAwait(continueOnCapturedContext: false);
			if (!(buttplugMessage is Ok))
			{
				if (buttplugMessage is Error msg2)
				{
					throw ButtplugException.FromError(msg2);
				}
				throw new ButtplugMessageException("Message type " + msg.Name + " not handled by SendMessageExpectOk", msg.Id);
			}
		}
	}
	public class ButtplugConnectorJSONParser
	{
		private readonly ButtplugJsonMessageParser _parser = new ButtplugJsonMessageParser();

		public string Serialize(ButtplugMessage msg)
		{
			return _parser.Serialize(msg);
		}

		public string Serialize(ButtplugMessage[] msgs)
		{
			return _parser.Serialize(msgs);
		}

		public IEnumerable<ButtplugMessage> Deserialize(string msg)
		{
			return _parser.Deserialize(msg);
		}
	}
	public class ButtplugConnectorMessageSorter : IDisposable
	{
		private int _counter;

		private readonly ConcurrentDictionary<uint, TaskCompletionSource<ButtplugMessage>> _waitingMsgs = new ConcurrentDictionary<uint, TaskCompletionSource<ButtplugMessage>>();

		public uint NextMsgId => Convert.ToUInt32(Interlocked.Increment(ref _counter));

		public Task<ButtplugMessage> PrepareMessage(ButtplugMessage msg)
		{
			msg.Id = NextMsgId;
			TaskCompletionSource<ButtplugMessage> taskCompletionSource = new TaskCompletionSource<ButtplugMessage>();
			_waitingMsgs.TryAdd(msg.Id, taskCompletionSource);
			return taskCompletionSource.Task;
		}

		public void CheckMessage(ButtplugMessage msg)
		{
			if (msg.Id == 0)
			{
				throw new ButtplugMessageException("Cannot sort message with System ID", msg.Id);
			}
			if (!_waitingMsgs.TryRemove(msg.Id, out var value))
			{
				throw new ButtplugMessageException("Message with non-matching ID received.", msg.Id);
			}
			if (msg is Error msg2)
			{
				value.SetException(ButtplugException.FromError(msg2));
			}
			else
			{
				value.SetResult(msg);
			}
		}

		protected virtual void Dispose(bool disposing)
		{
			foreach (TaskCompletionSource<ButtplugMessage> value in _waitingMsgs.Values)
			{
				value.TrySetException(new Exception("Sorter has been destroyed with live tasks still in queue."));
			}
		}

		public void Dispose()
		{
			Dispose(disposing: true);
			GC.SuppressFinalize(this);
		}
	}
	public class ButtplugRemoteJSONConnector : IDisposable
	{
		private readonly ButtplugConnectorJSONParser _jsonSerializer = new ButtplugConnectorJSONParser();

		private readonly ButtplugConnectorMessageSorter _msgSorter = new ButtplugConnectorMessageSorter();

		public event EventHandler<MessageReceivedEventArgs> MessageReceived;

		public event EventHandler<ButtplugExceptionEventArgs> InvalidMessageReceived;

		protected Tuple<string, Task<ButtplugMessage>> PrepareMessage(ButtplugMessage msg)
		{
			Task<ButtplugMessage> item = _msgSorter.PrepareMessage(msg);
			return new Tuple<string, Task<ButtplugMessage>>(_jsonSerializer.Serialize(msg), item);
		}

		protected void ReceiveMessages(string jSONMsg)
		{
			IEnumerable<ButtplugMessage> enumerable;
			try
			{
				enumerable = _jsonSerializer.Deserialize(jSONMsg);
			}
			catch (ButtplugMessageException ex)
			{
				this.InvalidMessageReceived?.Invoke(this, new ButtplugExceptionEventArgs(ex));
				return;
			}
			foreach (ButtplugMessage item in enumerable)
			{
				if (item.Id == 0)
				{
					this.MessageReceived?.Invoke(this, new MessageReceivedEventArgs(item));
					continue;
				}
				try
				{
					_msgSorter.CheckMessage(item);
				}
				catch (ButtplugMessageException ex2)
				{
					this.InvalidMessageReceived?.Invoke(this, new ButtplugExceptionEventArgs(ex2));
				}
			}
		}

		protected virtual void Dispose(bool disposing)
		{
			_msgSorter.Dispose();
		}

		public void Dispose()
		{
			Dispose(disposing: true);
			GC.SuppressFinalize(this);
		}
	}
	public class DeviceAddedEventArgs
	{
		public readonly ButtplugClientDevice Device;

		public DeviceAddedEventArgs(ButtplugClientDevice device)
		{
			Device = device;
		}
	}
	public class DeviceRemovedEventArgs
	{
		public readonly ButtplugClientDevice Device;

		public DeviceRemovedEventArgs(ButtplugClientDevice device)
		{
			Device = device;
		}
	}
	public interface IButtplugClientConnector
	{
		bool Connected { get; }

		event EventHandler<MessageReceivedEventArgs> MessageReceived;

		event EventHandler<ButtplugExceptionEventArgs> InvalidMessageReceived;

		event EventHandler Disconnected;

		Task ConnectAsync(CancellationToken token = default(CancellationToken));

		Task DisconnectAsync(CancellationToken token = default(CancellationToken));

		Task<ButtplugMessage> SendAsync(ButtplugMessage msg, CancellationToken token = default(CancellationToken));
	}
}

plugins/deniszykov.WebSocketListener.dll

Decompiled a year ago
using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.IO.Compression;
using System.IO.Pipes;
using System.Linq;
using System.Linq.Expressions;
using System.Net;
using System.Net.Security;
using System.Net.Sockets;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.ExceptionServices;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Authentication;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using JetBrains.Annotations;
using vtortola.WebSockets.Async;
using vtortola.WebSockets.Extensibility;
using vtortola.WebSockets.Http;
using vtortola.WebSockets.Rfc6455.Header;
using vtortola.WebSockets.Tools;
using vtortola.WebSockets.Transports;
using vtortola.WebSockets.Transports.NamedPipes;
using vtortola.WebSockets.Transports.Sockets;
using vtortola.WebSockets.Transports.Tcp;
using vtortola.WebSockets.Transports.UnixSockets;

[assembly: AssemblyCompany("deniszykov")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyDescription("A lightweight and highly scalable asynchronous WebSocket listener for .NET Core, .NET and Mono.\r\nhttps://github.com/deniszykov/WebSocketListener")]
[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/deniszykov/WebSocketListener")]
[assembly: AssemblyTitle("deniszykov.WebSocketListener")]
[assembly: AssemblyInformationalVersion("4.2.16+74d663e28a86c4c5628270bc9d6458831d9a9702")]
[assembly: AssemblyProduct("deniszykov.WebSocketListener")]
[assembly: AssemblyFileVersion("4.2.16.0")]
[assembly: AssemblyVersion("4.2.16.0")]
namespace vtortola.WebSockets.Deflate
{
	public sealed class WebSocketDeflateContext : IWebSocketMessageExtensionContext
	{
		public WebSocketMessageReadStream ExtendReader(WebSocketMessageReadStream message)
		{
			if (message == null)
			{
				throw new ArgumentNullException("message");
			}
			if (message.Flags.Rsv1)
			{
				return new WebSocketDeflateReadStream(message);
			}
			return message;
		}

		public WebSocketMessageWriteStream ExtendWriter(WebSocketMessageWriteStream message)
		{
			if (message == null)
			{
				throw new ArgumentNullException("message");
			}
			message.ExtensionFlags.Rsv1 = true;
			return new WebSocketDeflateWriteStream(message);
		}
	}
	public sealed class WebSocketDeflateExtension : IWebSocketMessageExtension
	{
		public const string EXTENSION_NAME = "permessage-deflate";

		private static readonly ReadOnlyCollection<WebSocketExtensionOption> DefaultOptions = new ReadOnlyCollection<WebSocketExtensionOption>(new WebSocketExtensionOption[1]
		{
			new WebSocketExtensionOption("client_no_context_takeover")
		});

		private static readonly WebSocketExtension DefaultResponse = new WebSocketExtension("permessage-deflate", DefaultOptions);

		public string Name => "permessage-deflate";

		public bool TryNegotiate(WebSocketHttpRequest request, out WebSocketExtension extensionResponse, out IWebSocketMessageExtensionContext context)
		{
			if (request == null)
			{
				throw new ArgumentNullException("request");
			}
			extensionResponse = DefaultResponse;
			context = new WebSocketDeflateContext();
			return true;
		}

		public IWebSocketMessageExtension Clone()
		{
			return (WebSocketDeflateExtension)MemberwiseClone();
		}

		public override string ToString()
		{
			return DefaultResponse.ToString();
		}
	}
	public sealed class WebSocketDeflateReadStream : WebSocketMessageReadStream
	{
		private const int STATE_OPEN = 0;

		private const int STATE_CLOSED = 1;

		private const int STATE_DISPOSED = 2;

		private readonly WebSocketMessageReadStream innerStream;

		private readonly DeflateStream deflateStream;

		private volatile int state;

		public override WebSocketMessageType MessageType => innerStream.MessageType;

		public override WebSocketExtensionFlags Flags => innerStream.Flags;

		internal override WebSocketListenerOptions Options => innerStream.Options;

		public WebSocketDeflateReadStream([NotNull] WebSocketMessageReadStream innerStream)
		{
			if (innerStream == null)
			{
				throw new ArgumentNullException("innerStream");
			}
			this.innerStream = innerStream;
			deflateStream = new DeflateStream(innerStream, CompressionMode.Decompress, leaveOpen: true);
		}

		public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
		{
			return deflateStream.ReadAsync(buffer, offset, count, cancellationToken);
		}

		public override Task CloseAsync()
		{
			if (Interlocked.CompareExchange(ref state, 1, 0) != 0)
			{
				return TaskHelper.CompletedTask;
			}
			return innerStream.CloseAsync();
		}

		protected override void Dispose(bool disposing)
		{
			if (Interlocked.Exchange(ref state, 2) != 2)
			{
				SafeEnd.Dispose(deflateStream);
				SafeEnd.Dispose(innerStream);
			}
		}
	}
	public sealed class WebSocketDeflateWriteStream : WebSocketMessageWriteStream
	{
		private static readonly byte[] FINAL_BYTE = new byte[1];

		private const int STATE_OPEN = 0;

		private const int STATE_CLOSED = 1;

		private const int STATE_DISPOSED = 2;

		private readonly WebSocketMessageWriteStream innerStream;

		private readonly DeflateStream deflateStream;

		private volatile int state;

		internal override WebSocketListenerOptions Options => innerStream.Options;

		public WebSocketDeflateWriteStream([NotNull] WebSocketMessageWriteStream innerStream)
		{
			if (innerStream == null)
			{
				throw new ArgumentNullException("innerStream");
			}
			this.innerStream = innerStream;
			deflateStream = new DeflateStream(innerStream, CompressionLevel.Optimal, leaveOpen: true);
		}

		public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
		{
			if (buffer == null)
			{
				throw new ArgumentNullException("buffer");
			}
			if (offset < 0 || offset > buffer.Length)
			{
				throw new ArgumentOutOfRangeException("offset");
			}
			if (count < 0 || offset + count > buffer.Length)
			{
				throw new ArgumentOutOfRangeException("count");
			}
			if (count == 0)
			{
				return Task.FromResult(0);
			}
			return deflateStream.WriteAsync(buffer, offset, count, cancellationToken);
		}

		public override async Task WriteAndCloseAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
		{
			if (buffer == null)
			{
				throw new ArgumentNullException("buffer");
			}
			if (offset < 0 || offset > buffer.Length)
			{
				throw new ArgumentOutOfRangeException("offset");
			}
			if (count < 0 || offset + count > buffer.Length)
			{
				throw new ArgumentOutOfRangeException("count");
			}
			if (count > 0)
			{
				await deflateStream.WriteAsync(buffer, offset, count, cancellationToken);
			}
			await CloseAsync().ConfigureAwait(continueOnCapturedContext: false);
		}

		public override async Task CloseAsync()
		{
			if (Interlocked.CompareExchange(ref state, 1, 0) == 0)
			{
				await deflateStream.FlushAsync(CancellationToken.None);
				deflateStream.Dispose();
				await innerStream.WriteAndCloseAsync(FINAL_BYTE, 0, 1, CancellationToken.None).ConfigureAwait(continueOnCapturedContext: false);
			}
		}

		protected override void Dispose(bool disposing)
		{
			if (Interlocked.Exchange(ref state, 2) != 2)
			{
				SafeEnd.Dispose(deflateStream);
				SafeEnd.Dispose(innerStream);
				base.Dispose(disposing);
			}
		}
	}
	public static class WebSocketMessageExtensionCollectionExtensions
	{
		public static WebSocketMessageExtensionCollection RegisterDeflateCompression(this WebSocketMessageExtensionCollection collection)
		{
			if (collection == null)
			{
				throw new ArgumentNullException("collection");
			}
			collection.Add(new WebSocketDeflateExtension());
			return collection;
		}
	}
}
namespace JetBrains.Annotations
{
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Interface | AttributeTargets.Parameter | AttributeTargets.Delegate | AttributeTargets.GenericParameter)]
	internal sealed class CanBeNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Interface | AttributeTargets.Parameter | AttributeTargets.Delegate | AttributeTargets.GenericParameter)]
	internal sealed class NotNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.Delegate)]
	internal sealed class ItemNotNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.Delegate)]
	internal sealed class ItemCanBeNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Constructor | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Delegate)]
	internal sealed class StringFormatMethodAttribute : Attribute
	{
		[NotNull]
		public string FormatParameterName { get; private set; }

		public StringFormatMethodAttribute([NotNull] string formatParameterName)
		{
			FormatParameterName = formatParameterName;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, AllowMultiple = true)]
	internal sealed class ValueProviderAttribute : Attribute
	{
		[NotNull]
		public string Name { get; private set; }

		public ValueProviderAttribute([NotNull] string name)
		{
			Name = name;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class InvokerParameterNameAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class NotifyPropertyChangedInvocatorAttribute : Attribute
	{
		[CanBeNull]
		public string ParameterName { get; private set; }

		public NotifyPropertyChangedInvocatorAttribute()
		{
		}

		public NotifyPropertyChangedInvocatorAttribute([NotNull] string parameterName)
		{
			ParameterName = parameterName;
		}
	}
	[AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
	internal sealed class ContractAnnotationAttribute : Attribute
	{
		[NotNull]
		public string Contract { get; private set; }

		public bool ForceFullStates { get; private set; }

		public ContractAnnotationAttribute([NotNull] string contract)
			: this(contract, forceFullStates: false)
		{
		}

		public ContractAnnotationAttribute([NotNull] string contract, bool forceFullStates)
		{
			Contract = contract;
			ForceFullStates = forceFullStates;
		}
	}
	[AttributeUsage(AttributeTargets.All)]
	internal sealed class LocalizationRequiredAttribute : Attribute
	{
		public bool Required { get; private set; }

		public LocalizationRequiredAttribute()
			: this(required: true)
		{
		}

		public LocalizationRequiredAttribute(bool required)
		{
			Required = required;
		}
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Interface)]
	internal sealed class CannotApplyEqualityOperatorAttribute : Attribute
	{
	}
	[BaseTypeRequired(typeof(Attribute))]
	[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
	internal sealed class BaseTypeRequiredAttribute : Attribute
	{
		[NotNull]
		public Type BaseType { get; private set; }

		public BaseTypeRequiredAttribute([NotNull] Type baseType)
		{
			BaseType = baseType;
		}
	}
	[AttributeUsage(AttributeTargets.All)]
	internal sealed class UsedImplicitlyAttribute : Attribute
	{
		public ImplicitUseKindFlags UseKindFlags { get; private set; }

		public ImplicitUseTargetFlags TargetFlags { get; private set; }

		public UsedImplicitlyAttribute()
			: this(ImplicitUseKindFlags.Default, ImplicitUseTargetFlags.Default)
		{
		}

		public UsedImplicitlyAttribute(ImplicitUseKindFlags useKindFlags)
			: this(useKindFlags, ImplicitUseTargetFlags.Default)
		{
		}

		public UsedImplicitlyAttribute(ImplicitUseTargetFlags targetFlags)
			: this(ImplicitUseKindFlags.Default, targetFlags)
		{
		}

		public UsedImplicitlyAttribute(ImplicitUseKindFlags useKindFlags, ImplicitUseTargetFlags targetFlags)
		{
			UseKindFlags = useKindFlags;
			TargetFlags = targetFlags;
		}
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.GenericParameter)]
	internal sealed class MeansImplicitUseAttribute : Attribute
	{
		[UsedImplicitly]
		public ImplicitUseKindFlags UseKindFlags { get; private set; }

		[UsedImplicitly]
		public ImplicitUseTargetFlags TargetFlags { get; private set; }

		public MeansImplicitUseAttribute()
			: this(ImplicitUseKindFlags.Default, ImplicitUseTargetFlags.Default)
		{
		}

		public MeansImplicitUseAttribute(ImplicitUseKindFlags useKindFlags)
			: this(useKindFlags, ImplicitUseTargetFlags.Default)
		{
		}

		public MeansImplicitUseAttribute(ImplicitUseTargetFlags targetFlags)
			: this(ImplicitUseKindFlags.Default, targetFlags)
		{
		}

		public MeansImplicitUseAttribute(ImplicitUseKindFlags useKindFlags, ImplicitUseTargetFlags targetFlags)
		{
			UseKindFlags = useKindFlags;
			TargetFlags = targetFlags;
		}
	}
	[Flags]
	internal enum ImplicitUseKindFlags
	{
		Default = 7,
		Access = 1,
		Assign = 2,
		InstantiatedWithFixedConstructorSignature = 4,
		InstantiatedNoFixedConstructorSignature = 8
	}
	[Flags]
	internal enum ImplicitUseTargetFlags
	{
		Default = 1,
		Itself = 1,
		Members = 2,
		WithMembers = 3
	}
	[MeansImplicitUse(ImplicitUseTargetFlags.WithMembers)]
	internal sealed class PublicAPIAttribute : Attribute
	{
		[CanBeNull]
		public string Comment { get; private set; }

		public PublicAPIAttribute()
		{
		}

		public PublicAPIAttribute([NotNull] string comment)
		{
			Comment = comment;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class InstantHandleAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class PureAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class MustUseReturnValueAttribute : Attribute
	{
		[CanBeNull]
		public string Justification { get; private set; }

		public MustUseReturnValueAttribute()
		{
		}

		public MustUseReturnValueAttribute([NotNull] string justification)
		{
			Justification = justification;
		}
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Interface | AttributeTargets.Parameter | AttributeTargets.GenericParameter)]
	internal sealed class ProvidesContextAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class PathReferenceAttribute : Attribute
	{
		[CanBeNull]
		public string BasePath { get; private set; }

		public PathReferenceAttribute()
		{
		}

		public PathReferenceAttribute([PathReference][NotNull] string basePath)
		{
			BasePath = basePath;
		}
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class SourceTemplateAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Parameter, AllowMultiple = true)]
	internal sealed class MacroAttribute : Attribute
	{
		[CanBeNull]
		public string Expression { get; set; }

		public int Editable { get; set; }

		[CanBeNull]
		public string Target { get; set; }
	}
	[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = true)]
	internal sealed class AspMvcAreaMasterLocationFormatAttribute : Attribute
	{
		[NotNull]
		public string Format { get; private set; }

		public AspMvcAreaMasterLocationFormatAttribute([NotNull] string format)
		{
			Format = format;
		}
	}
	[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = true)]
	internal sealed class AspMvcAreaPartialViewLocationFormatAttribute : Attribute
	{
		[NotNull]
		public string Format { get; private set; }

		public AspMvcAreaPartialViewLocationFormatAttribute([NotNull] string format)
		{
			Format = format;
		}
	}
	[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = true)]
	internal sealed class AspMvcAreaViewLocationFormatAttribute : Attribute
	{
		[NotNull]
		public string Format { get; private set; }

		public AspMvcAreaViewLocationFormatAttribute([NotNull] string format)
		{
			Format = format;
		}
	}
	[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = true)]
	internal sealed class AspMvcMasterLocationFormatAttribute : Attribute
	{
		[NotNull]
		public string Format { get; private set; }

		public AspMvcMasterLocationFormatAttribute([NotNull] string format)
		{
			Format = format;
		}
	}
	[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = true)]
	internal sealed class AspMvcPartialViewLocationFormatAttribute : Attribute
	{
		[NotNull]
		public string Format { get; private set; }

		public AspMvcPartialViewLocationFormatAttribute([NotNull] string format)
		{
			Format = format;
		}
	}
	[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = true)]
	internal sealed class AspMvcViewLocationFormatAttribute : Attribute
	{
		[NotNull]
		public string Format { get; private set; }

		public AspMvcViewLocationFormatAttribute([NotNull] string format)
		{
			Format = format;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Parameter)]
	internal sealed class AspMvcActionAttribute : Attribute
	{
		[CanBeNull]
		public string AnonymousProperty { get; private set; }

		public AspMvcActionAttribute()
		{
		}

		public AspMvcActionAttribute([NotNull] string anonymousProperty)
		{
			AnonymousProperty = anonymousProperty;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class AspMvcAreaAttribute : Attribute
	{
		[CanBeNull]
		public string AnonymousProperty { get; private set; }

		public AspMvcAreaAttribute()
		{
		}

		public AspMvcAreaAttribute([NotNull] string anonymousProperty)
		{
			AnonymousProperty = anonymousProperty;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Parameter)]
	internal sealed class AspMvcControllerAttribute : Attribute
	{
		[CanBeNull]
		public string AnonymousProperty { get; private set; }

		public AspMvcControllerAttribute()
		{
		}

		public AspMvcControllerAttribute([NotNull] string anonymousProperty)
		{
			AnonymousProperty = anonymousProperty;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class AspMvcMasterAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class AspMvcModelTypeAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Parameter)]
	internal sealed class AspMvcPartialViewAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
	internal sealed class AspMvcSuppressViewErrorAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class AspMvcDisplayTemplateAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class AspMvcEditorTemplateAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class AspMvcTemplateAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Parameter)]
	internal sealed class AspMvcViewAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class AspMvcViewComponentAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Parameter)]
	internal sealed class AspMvcViewComponentViewAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter)]
	internal sealed class AspMvcActionSelectorAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter)]
	internal sealed class HtmlElementAttributesAttribute : Attribute
	{
		[CanBeNull]
		public string Name { get; private set; }

		public HtmlElementAttributesAttribute()
		{
		}

		public HtmlElementAttributesAttribute([NotNull] string name)
		{
			Name = name;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter)]
	internal sealed class HtmlAttributeValueAttribute : Attribute
	{
		[NotNull]
		public string Name { get; private set; }

		public HtmlAttributeValueAttribute([NotNull] string name)
		{
			Name = name;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Parameter)]
	internal sealed class RazorSectionAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Constructor | AttributeTargets.Method | AttributeTargets.Property)]
	internal sealed class CollectionAccessAttribute : Attribute
	{
		public CollectionAccessType CollectionAccessType { get; private set; }

		public CollectionAccessAttribute(CollectionAccessType collectionAccessType)
		{
			CollectionAccessType = collectionAccessType;
		}
	}
	[Flags]
	internal enum CollectionAccessType
	{
		None = 0,
		Read = 1,
		ModifyExistingContent = 2,
		UpdatedContent = 6
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class AssertionMethodAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class AssertionConditionAttribute : Attribute
	{
		public AssertionConditionType ConditionType { get; private set; }

		public AssertionConditionAttribute(AssertionConditionType conditionType)
		{
			ConditionType = conditionType;
		}
	}
	internal enum AssertionConditionType
	{
		IS_TRUE,
		IS_FALSE,
		IS_NULL,
		IS_NOT_NULL
	}
	[AttributeUsage(AttributeTargets.Method)]
	[Obsolete("Use [ContractAnnotation('=> halt')] instead")]
	internal sealed class TerminatesProgramAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class LinqTunnelAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class NoEnumerationAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class RegexPatternAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum | AttributeTargets.Interface)]
	internal sealed class NoReorderAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Class)]
	internal sealed class XamlItemsControlAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property)]
	internal sealed class XamlItemBindingOfItemsControlAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
	internal sealed class AspChildControlTypeAttribute : Attribute
	{
		[NotNull]
		public string TagName { get; private set; }

		[NotNull]
		public Type ControlType { get; private set; }

		public AspChildControlTypeAttribute([NotNull] string tagName, [NotNull] Type controlType)
		{
			TagName = tagName;
			ControlType = controlType;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property)]
	internal sealed class AspDataFieldAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property)]
	internal sealed class AspDataFieldsAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property)]
	internal sealed class AspMethodPropertyAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
	internal sealed class AspRequiredAttributeAttribute : Attribute
	{
		[NotNull]
		public string Attribute { get; private set; }

		public AspRequiredAttributeAttribute([NotNull] string attribute)
		{
			Attribute = attribute;
		}
	}
	[AttributeUsage(AttributeTargets.Property)]
	internal sealed class AspTypePropertyAttribute : Attribute
	{
		public bool CreateConstructorReferences { get; private set; }

		public AspTypePropertyAttribute(bool createConstructorReferences)
		{
			CreateConstructorReferences = createConstructorReferences;
		}
	}
	[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
	internal sealed class RazorImportNamespaceAttribute : Attribute
	{
		[NotNull]
		public string Name { get; private set; }

		public RazorImportNamespaceAttribute([NotNull] string name)
		{
			Name = name;
		}
	}
	[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
	internal sealed class RazorInjectionAttribute : Attribute
	{
		[NotNull]
		public string Type { get; private set; }

		[NotNull]
		public string FieldName { get; private set; }

		public RazorInjectionAttribute([NotNull] string type, [NotNull] string fieldName)
		{
			Type = type;
			FieldName = fieldName;
		}
	}
	[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
	internal sealed class RazorDirectiveAttribute : Attribute
	{
		[NotNull]
		public string Directive { get; private set; }

		public RazorDirectiveAttribute([NotNull] string directive)
		{
			Directive = directive;
		}
	}
	[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
	internal sealed class RazorPageBaseTypeAttribute : Attribute
	{
		[NotNull]
		public string BaseType { get; private set; }

		[CanBeNull]
		public string PageName { get; private set; }

		public RazorPageBaseTypeAttribute([NotNull] string baseType)
		{
			BaseType = baseType;
		}

		public RazorPageBaseTypeAttribute([NotNull] string baseType, string pageName)
		{
			BaseType = baseType;
			PageName = pageName;
		}
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class RazorHelperCommonAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property)]
	internal sealed class RazorLayoutAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class RazorWriteLiteralMethodAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class RazorWriteMethodAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter)]
	internal sealed class RazorWriteMethodParameterAttribute : Attribute
	{
	}
}
namespace vtortola.WebSockets
{
	public abstract class BufferManager
	{
		[Obsolete("Is not used")]
		public abstract int SmallBufferSize { get; }

		public abstract int LargeBufferSize { get; }

		public static BufferManager CreateBufferManager(long maxBufferPoolSize, int maxBufferSize)
		{
			if (maxBufferPoolSize < 0)
			{
				throw new ArgumentOutOfRangeException("maxBufferPoolSize");
			}
			if (maxBufferSize < 0)
			{
				throw new ArgumentOutOfRangeException("maxBufferSize");
			}
			if (maxBufferSize < 256)
			{
				maxBufferSize = 256;
			}
			if (maxBufferPoolSize < maxBufferSize)
			{
				maxBufferPoolSize = maxBufferSize * 10;
			}
			int num = (int)Math.Pow(2.0, Math.Ceiling(Math.Log(maxBufferSize) / Math.Log(2.0)));
			int num2 = (int)Math.Max(2.0, Math.Ceiling((float)maxBufferPoolSize / 2f / (float)num));
			int num3 = Math.Max(32, num / 256);
			int smallPoolSizeLimit = (int)Math.Max(2L, (maxBufferPoolSize - num2 * num) / num3);
			return new DefaultBufferManager(num3, smallPoolSizeLimit, num, num2);
		}

		[NotNull]
		public static BufferManager CreateBufferManager(int smallBufferSize, int smallBufferPoolSize, int largeBufferSize, int largeBufferPoolSize)
		{
			if (smallBufferSize < 0)
			{
				throw new ArgumentOutOfRangeException("smallBufferSize");
			}
			if (largeBufferSize < 0)
			{
				throw new ArgumentOutOfRangeException("largeBufferSize");
			}
			if (smallBufferPoolSize < 0)
			{
				throw new ArgumentOutOfRangeException("smallBufferPoolSize");
			}
			if (largeBufferPoolSize < 0)
			{
				throw new ArgumentOutOfRangeException("largeBufferPoolSize");
			}
			return new DefaultBufferManager(smallBufferSize, smallBufferPoolSize, largeBufferSize, largeBufferPoolSize);
		}

		[Obsolete("Is not used")]
		public abstract void Clear();

		public abstract void ReturnBuffer(byte[] buffer);

		public abstract byte[] TakeBuffer(int bufferSize);
	}
	public sealed class ConsoleLogger : ILogger
	{
		public static ConsoleLogger Instance = new ConsoleLogger();

		public bool IsDebugEnabled { get; set; }

		public bool IsWarningEnabled { get; set; }

		public bool IsErrorEnabled { get; set; }

		public ConsoleLogger()
		{
			IsDebugEnabled = true;
			IsWarningEnabled = true;
			IsErrorEnabled = true;
		}

		public void Debug(string message, Exception error = null)
		{
			if (IsDebugEnabled)
			{
				if (!string.IsNullOrEmpty(message))
				{
					Console.WriteLine(message);
				}
				if (error != null)
				{
					Console.WriteLine(error);
				}
			}
		}

		public void Warning(string message, Exception error = null)
		{
			if (IsWarningEnabled)
			{
				string.IsNullOrEmpty(message);
				if (error != null)
				{
					Console.WriteLine(error);
				}
			}
		}

		public void Error(string message, Exception error = null)
		{
			if (IsErrorEnabled)
			{
				string.IsNullOrEmpty(message);
				if (error != null)
				{
					Console.WriteLine(error);
				}
			}
		}
	}
	public sealed class DebugLogger : ILogger
	{
		public static DebugLogger Instance = new DebugLogger();

		public bool IsDebugEnabled { get; set; }

		public bool IsWarningEnabled { get; set; }

		public bool IsErrorEnabled { get; set; }

		public DebugLogger()
		{
			IsDebugEnabled = true;
			IsWarningEnabled = true;
			IsErrorEnabled = true;
		}

		public void Debug(string message, Exception error = null)
		{
			if (IsDebugEnabled)
			{
				string.IsNullOrEmpty(message);
			}
		}

		public void Warning(string message, Exception error = null)
		{
			if (IsWarningEnabled)
			{
				string.IsNullOrEmpty(message);
			}
		}

		public void Error(string message, Exception error = null)
		{
			if (IsErrorEnabled)
			{
				string.IsNullOrEmpty(message);
			}
		}
	}
	internal sealed class DefaultBufferManager : BufferManager
	{
		private readonly ObjectPool<byte[]> smallPool;

		private readonly ObjectPool<byte[]> largePool;

		public override int SmallBufferSize { get; }

		public override int LargeBufferSize { get; }

		public DefaultBufferManager(int smallBufferSize, int smallPoolSizeLimit, int largeBufferSize, int largePoolSizeLimit)
		{
			SmallBufferSize = smallBufferSize;
			LargeBufferSize = largeBufferSize;
			smallPool = new ObjectPool<byte[]>(() => new byte[smallBufferSize], smallPoolSizeLimit);
			largePool = new ObjectPool<byte[]>(() => new byte[largeBufferSize], largePoolSizeLimit);
		}

		public override void Clear()
		{
			smallPool.Clear();
			largePool.Clear();
		}

		public override void ReturnBuffer(byte[] buffer)
		{
			if (buffer == null)
			{
				throw new ArgumentNullException("buffer");
			}
			if (buffer.Length >= LargeBufferSize)
			{
				largePool.Return(buffer);
				return;
			}
			if (buffer.Length >= SmallBufferSize)
			{
				smallPool.Return(buffer);
				return;
			}
			throw new ArgumentException("Length of buffer does not match the pool's buffer length property.", "buffer");
		}

		public override byte[] TakeBuffer(int bufferSize)
		{
			if (bufferSize < 0 || bufferSize > LargeBufferSize)
			{
				throw new ArgumentOutOfRangeException("bufferSize");
			}
			if (bufferSize >= SmallBufferSize)
			{
				return largePool.Take();
			}
			return smallPool.Take();
		}
	}
	[PublicAPI]
	public interface IHttpFallback
	{
		void Post([NotNull] IHttpRequest request, [NotNull] NetworkConnection networkConnection);
	}
	[PublicAPI]
	public interface IHttpRequest
	{
		EndPoint LocalEndPoint { get; }

		EndPoint RemoteEndPoint { get; }

		Uri RequestUri { get; }

		Version HttpVersion { get; }

		bool IsSecure { get; }

		CookieCollection Cookies { get; }

		Headers<RequestHeader> Headers { get; }

		IDictionary<string, object> Items { get; }
	}
	public interface IWebSocketConnectionExtension
	{
		[NotNull]
		[ItemNotNull]
		Task<NetworkConnection> ExtendConnectionAsync([NotNull] NetworkConnection networkConnection);

		[NotNull]
		IWebSocketConnectionExtension Clone();
	}
	public interface IWebSocketMessageExtension
	{
		string Name { get; }

		bool TryNegotiate(WebSocketHttpRequest request, out WebSocketExtension extensionResponse, out IWebSocketMessageExtensionContext context);

		IWebSocketMessageExtension Clone();

		new string ToString();
	}
	public interface IWebSocketMessageExtensionContext
	{
		[NotNull]
		WebSocketMessageReadStream ExtendReader([NotNull] WebSocketMessageReadStream message);

		[NotNull]
		WebSocketMessageWriteStream ExtendWriter([NotNull] WebSocketMessageWriteStream message);
	}
	[PublicAPI]
	public sealed class WebSocketConnectionExtensionCollection : IReadOnlyCollection<IWebSocketConnectionExtension>, IEnumerable<IWebSocketConnectionExtension>, IEnumerable
	{
		private readonly List<IWebSocketConnectionExtension> extensions;

		private volatile int useCounter;

		public int Count => extensions.Count;

		public bool IsReadOnly => useCounter > 0;

		public WebSocketConnectionExtensionCollection()
		{
			extensions = new List<IWebSocketConnectionExtension>();
		}

		public void Add(IWebSocketConnectionExtension extension)
		{
			if (extension == null)
			{
				throw new ArgumentNullException("extension");
			}
			if (IsReadOnly)
			{
				throw new WebSocketException("New entries cannot be added because this collection is used in running WebSocketClient or WebSocketListener.");
			}
			if (extensions.Any((IWebSocketConnectionExtension ext) => ext.GetType() == extension.GetType()))
			{
				throw new WebSocketException($"Can't add extension '{extension}' because another extension of type '{extension.GetType().Name}' is already exists in collection.");
			}
			extensions.Add(extension);
		}

		public WebSocketConnectionExtensionCollection RegisterSecureConnection(X509Certificate2 certificate, RemoteCertificateValidationCallback validation = null, SslProtocols supportedSslProtocols = SslProtocols.Tls12)
		{
			if (certificate == null)
			{
				throw new ArgumentNullException("certificate");
			}
			WebSocketSecureConnectionExtension extension = new WebSocketSecureConnectionExtension(certificate, validation, supportedSslProtocols);
			Add(extension);
			return this;
		}

		IEnumerator<IWebSocketConnectionExtension> IEnumerable<IWebSocketConnectionExtension>.GetEnumerator()
		{
			return extensions.GetEnumerator();
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return extensions.GetEnumerator();
		}

		public List<IWebSocketConnectionExtension>.Enumerator GetEnumerator()
		{
			return extensions.GetEnumerator();
		}

		internal WebSocketConnectionExtensionCollection Clone()
		{
			WebSocketConnectionExtensionCollection webSocketConnectionExtensionCollection = new WebSocketConnectionExtensionCollection();
			foreach (IWebSocketConnectionExtension extension in extensions)
			{
				webSocketConnectionExtensionCollection.extensions.Add(extension.Clone());
			}
			return webSocketConnectionExtensionCollection;
		}

		internal void SetUsed(bool isUsed)
		{
			int num = 0;
			num = ((!isUsed) ? Interlocked.Decrement(ref useCounter) : Interlocked.Increment(ref useCounter));
			if (num < 0)
			{
				throw new InvalidOperationException("The collection is released more than once.");
			}
		}

		public override string ToString()
		{
			return string.Join(", ", extensions);
		}
	}
	public sealed class WebSocketFactoryCollection : IReadOnlyCollection<WebSocketFactory>, IEnumerable<WebSocketFactory>, IEnumerable
	{
		private readonly Dictionary<short, WebSocketFactory> factoryByVersion;

		private volatile int useCounter;

		public IEnumerable<short> SupportedVersions => factoryByVersion.Keys;

		public int Count => factoryByVersion.Count;

		public bool IsReadOnly => useCounter > 0;

		public WebSocketFactoryCollection()
		{
			factoryByVersion = new Dictionary<short, WebSocketFactory>();
		}

		public void Add(WebSocketFactory factory)
		{
			if (factory == null)
			{
				throw new ArgumentNullException("factory");
			}
			if (IsReadOnly)
			{
				throw new WebSocketException("New entries cannot be added because this collection is used in running WebSocketClient or WebSocketListener.");
			}
			if (factoryByVersion.ContainsKey(factory.Version))
			{
				throw new WebSocketException(string.Format("Can't add {0} '{1}' because another {2} with ", "WebSocketFactory", factory, "WebSocketFactory") + $"version '{factory.Version}' is already exists in collection.");
			}
			factoryByVersion.Add(factory.Version, factory);
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return factoryByVersion.Values.GetEnumerator();
		}

		IEnumerator<WebSocketFactory> IEnumerable<WebSocketFactory>.GetEnumerator()
		{
			return factoryByVersion.Values.GetEnumerator();
		}

		public Dictionary<short, WebSocketFactory>.ValueCollection.Enumerator GetEnumerator()
		{
			return factoryByVersion.Values.GetEnumerator();
		}

		internal WebSocketFactoryCollection Clone()
		{
			WebSocketFactoryCollection webSocketFactoryCollection = new WebSocketFactoryCollection();
			foreach (KeyValuePair<short, WebSocketFactory> item in factoryByVersion)
			{
				webSocketFactoryCollection.factoryByVersion[item.Key] = item.Value.Clone();
			}
			return webSocketFactoryCollection;
		}

		internal void SetUsed(bool isUsed)
		{
			int num = 0;
			num = ((!isUsed) ? Interlocked.Decrement(ref useCounter) : Interlocked.Increment(ref useCounter));
			if (num < 0)
			{
				throw new InvalidOperationException("The collection is released more than once.");
			}
		}

		internal WebSocketFactory GetLast()
		{
			return factoryByVersion[factoryByVersion.Keys.Max()];
		}

		public bool TryGetWebSocketFactory(WebSocketHttpRequest request, out WebSocketFactory factory)
		{
			if (request == null)
			{
				throw new ArgumentNullException("request");
			}
			factory = null;
			short result = 0;
			if (short.TryParse(request.Headers[RequestHeader.WebSocketVersion], out result) && factoryByVersion.TryGetValue(result, out factory))
			{
				return true;
			}
			return false;
		}
	}
	public sealed class WebSocketMessageExtensionCollection : IReadOnlyCollection<IWebSocketMessageExtension>, IEnumerable<IWebSocketMessageExtension>, IEnumerable
	{
		private readonly List<IWebSocketMessageExtension> extensions;

		private volatile int useCounter;

		public int Count => extensions.Count;

		public bool IsReadOnly => useCounter > 0;

		public WebSocketMessageExtensionCollection()
		{
			extensions = new List<IWebSocketMessageExtension>();
		}

		public void Add(IWebSocketMessageExtension extension)
		{
			if (extension == null)
			{
				throw new ArgumentNullException("extension");
			}
			if (IsReadOnly)
			{
				throw new WebSocketException("New entries cannot be added because this collection is used in running WebSocketClient or WebSocketListener.");
			}
			if (extensions.Any((IWebSocketMessageExtension ext) => ext.GetType() == extension.GetType()))
			{
				throw new WebSocketException($"Can't add extension '{extension}' because another extension of type '{extension.GetType().Name}' is already exists in collection.");
			}
			extensions.Add(extension);
		}

		IEnumerator<IWebSocketMessageExtension> IEnumerable<IWebSocketMessageExtension>.GetEnumerator()
		{
			return extensions.GetEnumerator();
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return extensions.GetEnumerator();
		}

		public List<IWebSocketMessageExtension>.Enumerator GetEnumerator()
		{
			return extensions.GetEnumerator();
		}

		internal WebSocketMessageExtensionCollection Clone()
		{
			WebSocketMessageExtensionCollection webSocketMessageExtensionCollection = new WebSocketMessageExtensionCollection();
			foreach (IWebSocketMessageExtension extension in extensions)
			{
				webSocketMessageExtensionCollection.extensions.Add(extension.Clone());
			}
			return webSocketMessageExtensionCollection;
		}

		internal void SetUsed(bool isUsed)
		{
			int num = 0;
			num = ((!isUsed) ? Interlocked.Decrement(ref useCounter) : Interlocked.Increment(ref useCounter));
			if (num < 0)
			{
				throw new InvalidOperationException("The collection is released more than once.");
			}
		}

		public override string ToString()
		{
			return string.Join(", ", extensions);
		}
	}
	public sealed class WebSocketSecureConnectionExtension : IWebSocketConnectionExtension
	{
		private readonly X509Certificate2 _certificate;

		private readonly RemoteCertificateValidationCallback _validation;

		private readonly SslProtocols _protocols;

		public WebSocketSecureConnectionExtension(X509Certificate2 certificate)
		{
			if (certificate == null)
			{
				throw new ArgumentNullException("certificate");
			}
			_certificate = certificate;
			_protocols = SslProtocols.Tls12;
		}

		public WebSocketSecureConnectionExtension(X509Certificate2 certificate, RemoteCertificateValidationCallback validation)
		{
			if (certificate == null)
			{
				throw new ArgumentNullException("certificate");
			}
			_certificate = certificate;
			_validation = validation;
			_protocols = SslProtocols.Tls12;
		}

		public WebSocketSecureConnectionExtension(X509Certificate2 certificate, RemoteCertificateValidationCallback validation, SslProtocols supportedSslProtocols)
		{
			if (certificate == null)
			{
				throw new ArgumentNullException("certificate");
			}
			_certificate = certificate;
			_validation = validation;
			_protocols = supportedSslProtocols;
		}

		public async Task<NetworkConnection> ExtendConnectionAsync(NetworkConnection networkConnection)
		{
			if (networkConnection == null)
			{
				throw new ArgumentNullException("networkConnection");
			}
			SslStream ssl = new SslStream(networkConnection.AsStream(), leaveInnerStreamOpen: false, _validation);
			try
			{
				await ssl.AuthenticateAsServerAsync(_certificate, _validation != null, _protocols, checkCertificateRevocation: false).ConfigureAwait(continueOnCapturedContext: false);
				return new SslNetworkConnection(ssl, networkConnection);
			}
			catch
			{
				SafeEnd.Dispose(ssl);
				throw;
			}
		}

		public IWebSocketConnectionExtension Clone()
		{
			return (IWebSocketConnectionExtension)MemberwiseClone();
		}

		public override string ToString()
		{
			return $"Secure Connection: protocols: {_protocols}, certificate: {_certificate.SubjectName}";
		}
	}
	public sealed class WebSocketExtensionFlags
	{
		private bool _rsv1;

		private bool _rsv2;

		private bool _rsv3;

		private readonly bool _none;

		public static readonly WebSocketExtensionFlags None = new WebSocketExtensionFlags(none: true);

		public bool Rsv1
		{
			get
			{
				return _rsv1;
			}
			set
			{
				_rsv1 = value && !_none;
			}
		}

		public bool Rsv2
		{
			get
			{
				return _rsv2;
			}
			set
			{
				_rsv2 = value && !_none;
			}
		}

		public bool Rsv3
		{
			get
			{
				return _rsv3;
			}
			set
			{
				_rsv3 = value && !_none;
			}
		}

		public WebSocketExtensionFlags()
		{
			_none = false;
		}

		private WebSocketExtensionFlags(bool none)
		{
			_none = true;
		}
	}
	public enum WebSocketMessageType
	{
		Text = 1,
		Binary
	}
	public delegate Task<bool> HttpAuthenticationCallback(WebSocketHttpRequest request, WebSocketHttpResponse response);
	public static class CookieParser
	{
		public static IEnumerable<Cookie> Parse([CanBeNull] string cookieString)
		{
			if (string.IsNullOrWhiteSpace(cookieString))
			{
				yield break;
			}
			string text = string.Empty;
			string text2 = string.Empty;
			for (int i = 0; i < cookieString.Length; i++)
			{
				char c = cookieString[i];
				if (c == '=' && string.IsNullOrWhiteSpace(text2))
				{
					text2 = text;
					text = string.Empty;
				}
				else if (c == ';')
				{
					if (!string.IsNullOrWhiteSpace(text2))
					{
						yield return CreateCookie(text2, text);
					}
					else
					{
						yield return CreateCookie(text, string.Empty);
					}
					text2 = string.Empty;
					text = string.Empty;
				}
				else
				{
					text += c;
				}
			}
			if (!string.IsNullOrWhiteSpace(text2) && !string.IsNullOrWhiteSpace(text))
			{
				yield return CreateCookie(text2, text);
			}
		}

		private static Cookie CreateCookie(string key, string value)
		{
			return new Cookie(key.Trim(), WebUtility.UrlDecode(value.Trim()));
		}
	}
	public sealed class WebSocketExtension
	{
		public static readonly ReadOnlyCollection<WebSocketExtensionOption> Empty = new ReadOnlyCollection<WebSocketExtensionOption>(new List<WebSocketExtensionOption>());

		private readonly string extensionString;

		public readonly string Name;

		public readonly ReadOnlyCollection<WebSocketExtensionOption> Options;

		public WebSocketExtension(string name, IList<WebSocketExtensionOption> options)
		{
			if (name == null)
			{
				throw new ArgumentNullException("name");
			}
			if (options == null)
			{
				throw new ArgumentNullException("options");
			}
			Name = name;
			Options = (options as ReadOnlyCollection<WebSocketExtensionOption>) ?? new ReadOnlyCollection<WebSocketExtensionOption>(options);
			extensionString = ((Options.Count > 0) ? (Name + ";" + string.Join(";", Options)) : Name);
		}

		public WebSocketExtension(string name)
		{
			Name = name;
			Options = Empty;
		}

		public override string ToString()
		{
			return extensionString;
		}
	}
	public class WebSocketExtensionOption
	{
		public readonly string Name;

		public readonly string Value;

		public readonly bool ClientAvailableOption;

		public WebSocketExtensionOption(string name)
		{
			if (name == null)
			{
				throw new ArgumentNullException("name");
			}
			Name = name;
		}

		public WebSocketExtensionOption(string name, bool clientAvailableOption)
		{
			if (name == null)
			{
				throw new ArgumentNullException("name");
			}
			Name = name;
			ClientAvailableOption = clientAvailableOption;
		}

		public WebSocketExtensionOption(string name, string value)
		{
			if (name == null)
			{
				throw new ArgumentNullException("name");
			}
			Name = name;
			Value = value;
		}

		public override string ToString()
		{
			if (string.IsNullOrEmpty(Value))
			{
				return Name;
			}
			return Name + "=" + Value;
		}
	}
	internal class WebSocketHandshake : IComparable<WebSocketHandshake>, IEquatable<WebSocketHandshake>
	{
		private static long LastId = 1L;

		private bool _invalidated;

		public readonly long Id;

		[NotNull]
		public readonly WebSocketHttpRequest Request;

		public readonly WebSocketHttpResponse Response;

		public readonly List<IWebSocketMessageExtensionContext> NegotiatedMessageExtensions;

		public bool IsWebSocketRequest { get; internal set; }

		public bool IsVersionSupported { get; internal set; }

		public bool IsResponseSent { get; internal set; }

		public WebSocketFactory Factory { get; internal set; }

		public ExceptionDispatchInfo Error { get; internal set; }

		public bool IsValidWebSocketRequest
		{
			get
			{
				if (!_invalidated && Error == null && IsWebSocketRequest && IsVersionSupported)
				{
					return Response.Status == HttpStatusCode.SwitchingProtocols;
				}
				return false;
			}
			set
			{
				_invalidated = !value;
			}
		}

		public bool IsValidHttpRequest
		{
			get
			{
				if (!_invalidated)
				{
					return Error == null;
				}
				return false;
			}
			set
			{
				_invalidated = !value;
			}
		}

		public WebSocketHandshake([NotNull] WebSocketHttpRequest request)
		{
			if (request == null)
			{
				throw new ArgumentNullException("request");
			}
			Id = Interlocked.Increment(ref LastId);
			Request = request;
			Response = new WebSocketHttpResponse();
			NegotiatedMessageExtensions = new List<IWebSocketMessageExtensionContext>();
		}

		public string ComputeHandshake()
		{
			string text = Request.Headers[RequestHeader.WebSocketKey];
			if (string.IsNullOrEmpty(text))
			{
				throw new InvalidOperationException("Missing or wrong " + Headers<RequestHeader>.GetHeaderName(RequestHeader.WebSocketKey) + " header in request.");
			}
			using SHA1 sHA = SHA1.Create();
			return Convert.ToBase64String(sHA.ComputeHash(Encoding.UTF8.GetBytes(text + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11")));
		}

		public string GenerateClientNonce()
		{
			return Convert.ToBase64String(Guid.NewGuid().ToByteArray());
		}

		public int CompareTo(WebSocketHandshake other)
		{
			if (other == null)
			{
				return 1;
			}
			long id = Id;
			return id.CompareTo(other.Id);
		}

		public bool Equals(WebSocketHandshake other)
		{
			if (other == null)
			{
				return false;
			}
			if (this == other)
			{
				return true;
			}
			return Id == other.Id;
		}

		public override bool Equals(object obj)
		{
			return Equals(obj as WebSocketHandshake);
		}

		public override int GetHashCode()
		{
			long id = Id;
			return id.GetHashCode();
		}

		public override string ToString()
		{
			return $"Handshake, id: {Id}, request: {Request}, response: {Response}";
		}
	}
	internal class WebSocketHandshaker
	{
		private static readonly Version HttpVersion11 = new Version(1, 1);

		private static readonly Version HttpVersion10 = new Version(1, 0);

		private readonly ILogger log;

		private readonly WebSocketListenerOptions options;

		private readonly WebSocketFactoryCollection factories;

		public WebSocketHandshaker(WebSocketFactoryCollection factories, WebSocketListenerOptions options)
		{
			if (factories == null)
			{
				throw new ArgumentNullException("factories");
			}
			if (options == null)
			{
				throw new ArgumentNullException("options");
			}
			log = options.Logger;
			this.factories = factories;
			this.options = options;
		}

		public async Task<WebSocketHandshake> HandshakeAsync(NetworkConnection networkConnection)
		{
			if (networkConnection == null)
			{
				throw new ArgumentNullException("networkConnection");
			}
			WebSocketHttpRequest request = new WebSocketHttpRequest(HttpRequestDirection.Incoming)
			{
				LocalEndPoint = (networkConnection.LocalEndPoint ?? WebSocketHttpRequest.NoAddress),
				RemoteEndPoint = (networkConnection.RemoteEndPoint ?? WebSocketHttpRequest.NoAddress),
				IsSecure = (networkConnection is SslNetworkConnection)
			};
			WebSocketHandshake handshake = new WebSocketHandshake(request);
			try
			{
				await ReadHttpRequestAsync(networkConnection, handshake).ConfigureAwait(continueOnCapturedContext: false);
				if (!IsWebSocketRequestValid(handshake))
				{
					await WriteHttpResponseAsync(handshake, networkConnection).ConfigureAwait(continueOnCapturedContext: false);
					return handshake;
				}
				handshake.IsWebSocketRequest = true;
				WebSocketFactory factory = null;
				if (!factories.TryGetWebSocketFactory(handshake.Request, out factory))
				{
					await WriteHttpResponseAsync(handshake, networkConnection).ConfigureAwait(continueOnCapturedContext: false);
					return handshake;
				}
				handshake.Factory = factory;
				handshake.IsVersionSupported = true;
				ConsolidateObjectModel(handshake);
				SelectExtensions(handshake);
				if (!(await RunHttpNegotiationHandlerAsync(handshake).ConfigureAwait(continueOnCapturedContext: false)))
				{
					throw new WebSocketException("HTTP authentication failed.");
				}
				await WriteHttpResponseAsync(handshake, networkConnection).ConfigureAwait(continueOnCapturedContext: false);
			}
			catch (Exception ex)
			{
				if (log.IsDebugEnabled)
				{
					log.Debug("Failed to handshake request.", ex);
				}
				handshake.Error = ExceptionDispatchInfo.Capture(ex);
				if (!handshake.IsResponseSent)
				{
					try
					{
						await WriteHttpResponseAsync(handshake, networkConnection).ConfigureAwait(continueOnCapturedContext: false);
					}
					catch (Exception error)
					{
						if (log.IsDebugEnabled)
						{
							log.Debug("Failed to write error response.", error);
						}
					}
				}
			}
			return handshake;
		}

		private static bool IsWebSocketRequestValid(WebSocketHandshake handShake)
		{
			if (handShake == null)
			{
				throw new ArgumentNullException("handShake");
			}
			Headers<RequestHeader> headers = handShake.Request.Headers;
			if (headers.Contains(RequestHeader.Host) && headers.Contains(RequestHeader.Upgrade) && headers.GetValues(RequestHeader.Upgrade).Contains("websocket", StringComparison.OrdinalIgnoreCase) && headers.Contains(RequestHeader.Connection) && !string.IsNullOrWhiteSpace(headers.Get(RequestHeader.WebSocketKey)))
			{
				return headers.Contains(RequestHeader.WebSocketVersion);
			}
			return false;
		}

		private async Task<bool> RunHttpNegotiationHandlerAsync(WebSocketHandshake handshake)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			if (options.HttpAuthenticationHandler != null)
			{
				try
				{
					return await options.HttpAuthenticationHandler(handshake.Request, handshake.Response).ConfigureAwait(continueOnCapturedContext: false);
				}
				catch (Exception source)
				{
					handshake.Response.Status = HttpStatusCode.InternalServerError;
					handshake.Error = ExceptionDispatchInfo.Capture(source);
					return false;
				}
			}
			return true;
		}

		private void SelectExtensions(WebSocketHandshake handshake)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			foreach (WebSocketExtension extRequest in handshake.Request.WebSocketExtensions)
			{
				IWebSocketMessageExtension webSocketMessageExtension = handshake.Factory.MessageExtensions.SingleOrDefault((IWebSocketMessageExtension x) => x.Name.Equals(extRequest.Name, StringComparison.OrdinalIgnoreCase));
				if (webSocketMessageExtension != null && webSocketMessageExtension.TryNegotiate(handshake.Request, out var extensionResponse, out var context))
				{
					handshake.NegotiatedMessageExtensions.Add(context);
					handshake.Response.WebSocketExtensions.Add(extensionResponse);
				}
			}
		}

		private async Task WriteHttpResponseAsync(WebSocketHandshake handshake, NetworkConnection networkConnection)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			if (networkConnection == null)
			{
				throw new ArgumentNullException("networkConnection");
			}
			if (handshake.IsWebSocketRequest || !handshake.IsValidHttpRequest || options.HttpFallback == null)
			{
				handshake.IsResponseSent = true;
				using StreamWriter writer = new StreamWriter(networkConnection.AsStream(), Encoding.ASCII, 1024, leaveOpen: true);
				await WriteResponseInternal(handshake, writer).ConfigureAwait(continueOnCapturedContext: false);
				await writer.FlushAsync().ConfigureAwait(continueOnCapturedContext: false);
			}
		}

		private async Task WriteResponseInternal(WebSocketHandshake handshake, StreamWriter writer)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			if (writer == null)
			{
				throw new ArgumentNullException("writer");
			}
			if (!handshake.IsWebSocketRequest)
			{
				handshake.Response.Status = HttpStatusCode.BadRequest;
				await SendNegotiationErrorResponseAsync(writer, handshake.Response.Status);
			}
			else if (!handshake.IsVersionSupported)
			{
				handshake.Response.Status = HttpStatusCode.UpgradeRequired;
				await SendVersionNegotiationErrorResponse(writer);
			}
			else if (handshake.IsValidWebSocketRequest)
			{
				await SendNegotiationResponse(handshake, writer);
			}
			else
			{
				handshake.Response.Status = ((handshake.Response.Status != HttpStatusCode.SwitchingProtocols) ? handshake.Response.Status : HttpStatusCode.BadRequest);
				await SendNegotiationErrorResponseAsync(writer, handshake.Response.Status);
			}
		}

		private async Task ReadHttpRequestAsync(NetworkConnection clientStream, WebSocketHandshake handshake)
		{
			if (clientStream == null)
			{
				throw new ArgumentNullException("clientStream");
			}
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			using StreamReader sr = new StreamReader(clientStream.AsStream(), Encoding.ASCII, detectEncodingFromByteOrderMarks: false, 1024, leaveOpen: true);
			ParseGET(await sr.ReadLineAsync(), handshake);
			string header;
			while (!string.IsNullOrWhiteSpace(header = await sr.ReadLineAsync()))
			{
				handshake.Request.Headers.TryParseAndAdd(header);
			}
			ParseCookies(handshake);
		}

		private void ParseGET(string line, WebSocketHandshake handshake)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			if (string.IsNullOrWhiteSpace(line))
			{
				throw new WebSocketException("Empty request line is received. Probably connection is closed.");
			}
			string[] array = line.Split(new char[1] { ' ' });
			if (!line.StartsWith("GET", StringComparison.Ordinal))
			{
				throw new WebSocketException($"Invalid request method '{array.FirstOrDefault() ?? line}' while 'GET' is expected.");
			}
			handshake.Request.RequestUri = new Uri(array[1], UriKind.Relative);
			string text = array[2];
			handshake.Request.HttpVersion = (text.EndsWith("1.1") ? HttpVersion11 : HttpVersion10);
		}

		private async Task SendNegotiationResponse(WebSocketHandshake handshake, StreamWriter writer)
		{
			await writer.WriteAsync("HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\n");
			if (handshake.Response.Cookies.Count > 0)
			{
				foreach (object cookie in handshake.Response.Cookies)
				{
					await writer.WriteAsync("Set-Cookie: ");
					await writer.WriteAsync(cookie.ToString());
					await writer.WriteAsync("\r\n");
				}
			}
			await writer.WriteAsync("Sec-WebSocket-Accept: ");
			await writer.WriteAsync(handshake.ComputeHandshake());
			if (handshake.Response.Headers.Contains(ResponseHeader.WebSocketProtocol))
			{
				await writer.WriteAsync("\r\nSec-WebSocket-Protocol: ");
				await writer.WriteAsync(handshake.Response.Headers[ResponseHeader.WebSocketProtocol]);
			}
			WriteHandshakeCookies(handshake, writer);
			await writer.WriteAsync("\r\n\r\n");
		}

		private static void WriteHandshakeCookies(WebSocketHandshake handshake, StreamWriter writer)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			if (writer == null)
			{
				throw new ArgumentNullException("writer");
			}
			if (!handshake.Response.WebSocketExtensions.Any())
			{
				return;
			}
			bool flag = true;
			bool flag2 = true;
			writer.Write("\r\nSec-WebSocket-Extensions: ");
			foreach (WebSocketExtension webSocketExtension in handshake.Response.WebSocketExtensions)
			{
				if (!flag)
				{
					writer.Write(",");
				}
				writer.Write(webSocketExtension.Name);
				IEnumerable<WebSocketExtensionOption> enumerable = webSocketExtension.Options.Where((WebSocketExtensionOption x) => !x.ClientAvailableOption);
				if (!webSocketExtension.Options.Any())
				{
					continue;
				}
				writer.Write(";");
				foreach (WebSocketExtensionOption item in enumerable)
				{
					if (!flag2)
					{
						writer.Write(";");
					}
					writer.Write(item.Name);
					if (item.Value != null)
					{
						writer.Write("=");
						writer.Write(item.Value);
					}
					flag2 = false;
				}
				flag = false;
			}
		}

		private async Task SendNegotiationErrorResponseAsync(StreamWriter writer, HttpStatusCode code)
		{
			if (writer == null)
			{
				throw new ArgumentNullException("writer");
			}
			await writer.WriteAsync($"HTTP/1.1 {(int)code} {HttpStatusDescription.Get(code)}\r\nConnection: close\r\n\r\n");
		}

		private async Task SendVersionNegotiationErrorResponse(StreamWriter writer)
		{
			await writer.WriteAsync("HTTP/1.1 426 Upgrade Required\r\nSec-WebSocket-Version: ");
			bool first = true;
			foreach (WebSocketFactory standard in factories)
			{
				if (!first)
				{
					await writer.WriteAsync(",");
				}
				first = false;
				await writer.WriteAsync(standard.Version.ToString());
			}
			await writer.WriteAsync("\r\n\r\n");
		}

		private void ConsolidateObjectModel(WebSocketHandshake handshake)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			ParseWebSocketProtocol(handshake);
			ParseWebSocketExtensions(handshake);
		}

		private void ParseWebSocketProtocol(WebSocketHandshake handshake)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			if (!options.SubProtocols.Any() || !handshake.Request.Headers.Contains(RequestHeader.WebSocketProtocol))
			{
				return;
			}
			foreach (string value in handshake.Request.Headers.GetValues(RequestHeader.WebSocketProtocol))
			{
				if (options.SubProtocols.Contains<string>(value, StringComparer.OrdinalIgnoreCase))
				{
					handshake.Response.Headers[ResponseHeader.WebSocketProtocol] = value;
					break;
				}
			}
		}

		private void ParseWebSocketExtensions(WebSocketHandshake handshake)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			List<WebSocketExtension> list = new List<WebSocketExtension>();
			Headers<RequestHeader> headers = handshake.Request.Headers;
			if (headers.Contains(RequestHeader.WebSocketExtensions))
			{
				foreach (string value in headers.GetValues(RequestHeader.WebSocketExtensions))
				{
					List<WebSocketExtensionOption> list2 = new List<WebSocketExtensionOption>();
					string text = null;
					foreach (KeyValuePair<string, string> item in HeadersHelper.SplitAndTrimKeyValue(value, ';', '=', StringSplitOptions.RemoveEmptyEntries))
					{
						if (text == null)
						{
							text = item.Value;
						}
						else if (string.IsNullOrEmpty(item.Key))
						{
							list2.Add(new WebSocketExtensionOption(item.Value, clientAvailableOption: true));
						}
						else
						{
							list2.Add(new WebSocketExtensionOption(item.Key, item.Value));
						}
					}
					if (string.IsNullOrEmpty(text))
					{
						throw new WebSocketException("Wrong value '" + headers[RequestHeader.WebSocketExtensions] + "' of " + Headers<ResponseHeader>.GetHeaderName(ResponseHeader.WebSocketExtensions) + " header in request.");
					}
					list.Add(new WebSocketExtension(text, list2));
				}
			}
			handshake.Request.SetExtensions(list);
		}

		private void ParseCookies(WebSocketHandshake handshake)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			string domain = handshake.Request.Headers[RequestHeader.Host];
			foreach (string value in handshake.Request.Headers.GetValues(RequestHeader.Cookie))
			{
				try
				{
					foreach (Cookie item in CookieParser.Parse(value))
					{
						item.Domain = domain;
						item.Path = string.Empty;
						handshake.Request.Cookies.Add(item);
					}
				}
				catch (Exception ex)
				{
					throw new WebSocketException("Cannot parse cookie string: '" + value + "' because: " + ex.Message);
				}
			}
		}
	}
	public sealed class WebSocketHttpRequest : IHttpRequest
	{
		public static readonly IPEndPoint NoAddress = new IPEndPoint(IPAddress.None, 0);

		public EndPoint LocalEndPoint { get; internal set; }

		public EndPoint RemoteEndPoint { get; internal set; }

		public Uri RequestUri { get; internal set; }

		public Version HttpVersion { get; internal set; }

		public bool IsSecure { get; internal set; }

		public CookieCollection Cookies { get; }

		public Headers<RequestHeader> Headers { get; }

		public IDictionary<string, object> Items { get; }

		public HttpRequestDirection Direction { get; }

		public IReadOnlyList<WebSocketExtension> WebSocketExtensions { get; private set; }

		public WebSocketHttpRequest(HttpRequestDirection direction)
		{
			Headers = new Headers<RequestHeader>();
			Cookies = new CookieCollection();
			Items = new Dictionary<string, object>();
			LocalEndPoint = NoAddress;
			RemoteEndPoint = NoAddress;
			Direction = direction;
		}

		internal void SetExtensions(List<WebSocketExtension> extensions)
		{
			if (extensions == null)
			{
				throw new ArgumentNullException("extensions");
			}
			WebSocketExtensions = new ReadOnlyCollection<WebSocketExtension>(extensions);
		}

		public override string ToString()
		{
			if (RequestUri != null)
			{
				return RequestUri.ToString();
			}
			return $"{LocalEndPoint}->{RemoteEndPoint}";
		}
	}
	public sealed class WebSocketHttpResponse
	{
		public readonly CookieCollection Cookies;

		public readonly Headers<ResponseHeader> Headers;

		public HttpStatusCode Status;

		public string StatusDescription;

		public readonly List<WebSocketExtension> WebSocketExtensions;

		public WebSocketHttpResponse()
		{
			Headers = new Headers<ResponseHeader>();
			Cookies = new CookieCollection();
			WebSocketExtensions = new List<WebSocketExtension>();
			Status = HttpStatusCode.SwitchingProtocols;
			StatusDescription = "Web Socket Protocol Handshake";
		}

		public void ThrowIfInvalid(string computedHandshake)
		{
			if (computedHandshake == null)
			{
				throw new ArgumentNullException("computedHandshake");
			}
			string b = Headers[ResponseHeader.Upgrade];
			if (!string.Equals("websocket", b, StringComparison.OrdinalIgnoreCase))
			{
				throw new WebSocketException("Missing or wrong " + Headers<ResponseHeader>.GetHeaderName(ResponseHeader.Upgrade) + " header in response.");
			}
			if (!Headers.GetValues(ResponseHeader.Connection).Contains("Upgrade", StringComparison.OrdinalIgnoreCase))
			{
				throw new WebSocketException("Missing or wrong " + Headers<ResponseHeader>.GetHeaderName(ResponseHeader.Connection) + " header in response.");
			}
			string b2 = Headers[ResponseHeader.WebSocketAccept];
			if (!string.Equals(computedHandshake, b2, StringComparison.OrdinalIgnoreCase))
			{
				throw new WebSocketException("Missing or wrong " + Headers<ResponseHeader>.GetHeaderName(ResponseHeader.WebSocketAccept) + " header in response.");
			}
		}

		public override string ToString()
		{
			return $"{Status} {StatusDescription}";
		}
	}
	public interface ILogger
	{
		bool IsDebugEnabled { get; }

		bool IsWarningEnabled { get; }

		bool IsErrorEnabled { get; }

		void Debug(string message, Exception error = null);

		void Warning(string message, Exception error = null);

		void Error(string message, Exception error = null);
	}
	public sealed class NullLogger : ILogger
	{
		public static readonly NullLogger Instance = new NullLogger();

		public bool IsDebugEnabled => false;

		public bool IsWarningEnabled => false;

		public bool IsErrorEnabled => false;

		public void Debug(string message, Exception error = null)
		{
		}

		public void Warning(string message, Exception error = null)
		{
		}

		public void Error(string message, Exception error = null)
		{
		}
	}
	public enum PingMode
	{
		Manual,
		LatencyControl,
		BandwidthSaving
	}
	public abstract class WebSocketMessageReadStream : WebSocketMessageStream
	{
		public abstract WebSocketMessageType MessageType { get; }

		public abstract WebSocketExtensionFlags Flags { get; }

		public sealed override bool CanRead => true;

		[Obsolete("Writing to the read stream is not allowed", true)]
		public sealed override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
		{
			throw new NotSupportedException();
		}
	}
	public abstract class WebSocketMessageStream : Stream
	{
		public override bool CanRead => false;

		public sealed override bool CanSeek => false;

		public override bool CanWrite => false;

		public sealed override long Length
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public sealed override long Position
		{
			get
			{
				throw new NotSupportedException();
			}
			set
			{
				throw new NotSupportedException();
			}
		}

		internal abstract WebSocketListenerOptions Options { get; }

		public override Task FlushAsync(CancellationToken cancellationToken)
		{
			return TaskHelper.CompletedTask;
		}

		public abstract Task CloseAsync();

		public abstract override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken);

		public abstract override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken);

		public sealed override long Seek(long offset, SeekOrigin origin)
		{
			throw new NotSupportedException();
		}

		public sealed override void SetLength(long value)
		{
			throw new NotSupportedException();
		}

		[Obsolete("Do not use synchronous IO operation on network streams. Use ReadAsync() instead.")]
		public sealed override int ReadByte()
		{
			throw new NotSupportedException();
		}

		[Obsolete("Do not use synchronous IO operation on network streams. Use ReadAsync() instead.")]
		public override int Read(byte[] buffer, int offset, int count)
		{
			return ReadAsync(buffer, offset, count, CancellationToken.None).Result;
		}

		[Obsolete("Do not use synchronous IO operation on network streams. Use WriteAsync() instead.")]
		public sealed override void WriteByte(byte value)
		{
			throw new NotSupportedException();
		}

		[Obsolete("Do not use synchronous IO operation on network streams. Use WriteAsync() instead.")]
		public override void Write(byte[] buffer, int offset, int count)
		{
			WriteAsync(buffer, offset, count).Wait();
		}

		[Obsolete("Do not use synchronous IO operation on network streams. Use FlushAsync() instead.")]
		public override void Flush()
		{
		}
	}
	public abstract class WebSocketMessageWriteStream : WebSocketMessageStream
	{
		public sealed override bool CanWrite => true;

		[NotNull]
		public WebSocketExtensionFlags ExtensionFlags { get; }

		protected WebSocketMessageWriteStream()
		{
			ExtensionFlags = new WebSocketExtensionFlags();
		}

		[Obsolete("Reading from the write stream is not allowed", true)]
		public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
		{
			throw new NotSupportedException();
		}

		public abstract Task WriteAndCloseAsync([NotNull] byte[] buffer, int offset, int count, CancellationToken cancellationToken);
	}
	internal static class SafeEnd
	{
		public static void Dispose<T>([CanBeNull] T disposable, ILogger log = null) where T : class, IDisposable
		{
			if (log == null)
			{
				log = NullLogger.Instance;
			}
			try
			{
				disposable?.Dispose();
			}
			catch (Exception error)
			{
				if (log.IsDebugEnabled)
				{
					log.Debug($"{typeof(T)} dispose cause error.", error);
				}
			}
		}

		public static void ReleaseSemaphore(SemaphoreSlim semaphore, ILogger log = null)
		{
			try
			{
				semaphore.Release();
			}
			catch (ObjectDisposedException)
			{
			}
			catch (Exception error)
			{
				if (log != null && log.IsDebugEnabled)
				{
					log.Debug("Semaphore release cause error.", error);
				}
			}
		}
	}
	[PublicAPI]
	public abstract class WebSocket : IDisposable
	{
		[NotNull]
		public WebSocketHttpRequest HttpRequest { get; }

		[NotNull]
		public WebSocketHttpResponse HttpResponse { get; }

		public abstract bool IsConnected { get; }

		public abstract EndPoint RemoteEndpoint { get; }

		public abstract EndPoint LocalEndpoint { get; }

		public abstract TimeSpan Latency { get; }

		public abstract string SubProtocol { get; }

		public abstract WebSocketCloseReason? CloseReason { get; }

		protected WebSocket([NotNull] WebSocketHttpRequest request, [NotNull] WebSocketHttpResponse response)
		{
			if (request == null)
			{
				throw new ArgumentNullException("request");
			}
			if (response == null)
			{
				throw new ArgumentNullException("response");
			}
			HttpRequest = request;
			HttpResponse = response;
		}

		[ItemCanBeNull]
		[NotNull]
		public abstract Task<WebSocketMessageReadStream> ReadMessageAsync(CancellationToken token);

		[NotNull]
		public abstract WebSocketMessageWriteStream CreateMessageWriter(WebSocketMessageType messageType);

		public Task SendPingAsync()
		{
			return SendPingAsync(null, 0, 0);
		}

		public abstract Task SendPingAsync(byte[] data, int offset, int count);

		public abstract Task CloseAsync();

		public abstract Task CloseAsync(WebSocketCloseReason closeCode);

		public abstract void Dispose();

		public override string ToString()
		{
			return $"{GetType().Name}, remote: {RemoteEndpoint}, connected: {IsConnected}";
		}
	}
	[PublicAPI]
	public sealed class WebSocketClient
	{
		private const string WEB_SOCKET_HTTP_VERSION = "HTTP/1.1";

		private readonly ILogger log;

		private readonly AsyncConditionSource closeEvent;

		private readonly CancellationTokenSource workCancellationSource;

		private readonly WebSocketListenerOptions options;

		private readonly ConcurrentDictionary<WebSocketHandshake, Task<WebSocket>> pendingRequests;

		private readonly CancellationQueue negotiationsTimeoutQueue;

		private readonly PingQueue pingQueue;

		public bool HasPendingRequests => !pendingRequests.IsEmpty;

		public WebSocketClient([NotNull] WebSocketListenerOptions options)
		{
			if (options == null)
			{
				throw new ArgumentNullException("options");
			}
			if (options.Standards.Count == 0)
			{
				throw new ArgumentException("Empty list of WebSocket standards.", "options");
			}
			options.CheckCoherence();
			this.options = options.Clone();
			this.options.SetUsed(isUsed: true);
			if (this.options.NegotiationTimeout > TimeSpan.Zero)
			{
				negotiationsTimeoutQueue = new CancellationQueue(this.options.NegotiationTimeout);
			}
			if (this.options.PingMode != 0)
			{
				pingQueue = new PingQueue(options.PingInterval);
			}
			log = this.options.Logger;
			closeEvent = new AsyncConditionSource(isSet: true)
			{
				ContinueOnCapturedContext = false
			};
			workCancellationSource = new CancellationTokenSource();
			pendingRequests = new ConcurrentDictionary<WebSocketHandshake, Task<WebSocket>>();
			if (this.options.BufferManager == null)
			{
				this.options.BufferManager = BufferManager.CreateBufferManager(this.options.SendBufferSize * 2 * 100, this.options.SendBufferSize * 2);
			}
			if (this.options.CertificateValidationHandler == null)
			{
				this.options.CertificateValidationHandler = ValidateRemoteCertificate;
			}
		}

		private bool ValidateRemoteCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
		{
			if (sslPolicyErrors == SslPolicyErrors.None)
			{
				return true;
			}
			if (log.IsWarningEnabled)
			{
				log.Warning($"Certificate validation error: {sslPolicyErrors}.");
			}
			return false;
		}

		public Task<WebSocket> ConnectAsync([NotNull] Uri address, CancellationToken cancellation = default(CancellationToken))
		{
			return ConnectAsync(address, null, cancellation);
		}

		public async Task<WebSocket> ConnectAsync([NotNull] Uri address, Headers<RequestHeader> requestHeaders = null, CancellationToken cancellation = default(CancellationToken))
		{
			_ = 1;
			try
			{
				cancellation.ThrowIfCancellationRequested();
				if (workCancellationSource.IsCancellationRequested)
				{
					throw new WebSocketException("Client is currently closing or closed.");
				}
				CancellationToken workCancellation = workCancellationSource.Token;
				CancellationToken negotiationCancellation = negotiationsTimeoutQueue?.GetSubscriptionList().Token ?? CancellationToken.None;
				if (cancellation.CanBeCanceled || workCancellation.CanBeCanceled || negotiationCancellation.CanBeCanceled)
				{
					cancellation = CancellationTokenSource.CreateLinkedTokenSource(cancellation, workCancellation, negotiationCancellation).Token;
				}
				WebSocketHttpRequest webSocketHttpRequest = new WebSocketHttpRequest(HttpRequestDirection.Outgoing)
				{
					RequestUri = address
				};
				if (requestHeaders != null)
				{
					webSocketHttpRequest.Headers.AddMany(requestHeaders);
				}
				WebSocketHandshake handshake = new WebSocketHandshake(webSocketHttpRequest);
				Task<WebSocket> value = OpenConnectionAsync(handshake, cancellation);
				pendingRequests.TryAdd(handshake, value);
				WebSocket disposable = await value.IgnoreFaultOrCancellation().ConfigureAwait(continueOnCapturedContext: false);
				if (!workCancellation.IsCancellationRequested && negotiationCancellation.IsCancellationRequested)
				{
					SafeEnd.Dispose(disposable, log);
					throw new WebSocketException("Negotiation timeout.");
				}
				if (pendingRequests.TryRemove(handshake, out value) && workCancellationSource.IsCancellationRequested && pendingRequests.IsEmpty)
				{
					closeEvent.Set();
				}
				disposable = await value.ConfigureAwait(continueOnCapturedContext: false);
				pingQueue?.GetSubscriptionList().Add(disposable);
				return disposable;
			}
			catch (Exception exception) when (!(exception.Unwrap() is ThreadAbortException) && !(exception.Unwrap() is OperationCanceledException) && !(exception.Unwrap() is WebSocketException))
			{
				throw new WebSocketException($"An unknown error occurred while connection to '{address}'. More detailed information in inner exception.", exception.Unwrap());
			}
		}

		public async Task CloseAsync()
		{
			workCancellationSource.Cancel(throwOnFirstException: false);
			await closeEvent;
			SafeEnd.Dispose(pingQueue, log);
			SafeEnd.Dispose(negotiationsTimeoutQueue, log);
			SafeEnd.Dispose(workCancellationSource, log);
			options.SetUsed(isUsed: false);
		}

		private async Task<WebSocket> OpenConnectionAsync(WebSocketHandshake handshake, CancellationToken cancellation)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			NetworkConnection connection = null;
			WebSocket webSocket = null;
			try
			{
				cancellation.ThrowIfCancellationRequested();
				Uri requestUri = handshake.Request.RequestUri;
				WebSocketTransport transport = null;
				if (!options.Transports.TryGetWebSocketTransport(requestUri, out transport))
				{
					throw new WebSocketException($"Unable to find transport for '{requestUri}'. " + "Available transports are: " + string.Join(", ", options.Transports.SelectMany((WebSocketTransport t) => t.Schemes).Distinct()) + ".");
				}
				connection = await transport.ConnectAsync(requestUri, options, cancellation).ConfigureAwait(continueOnCapturedContext: false);
				handshake.Request.IsSecure = transport.ShouldUseSsl(requestUri);
				handshake.Request.LocalEndPoint = connection.LocalEndPoint ?? WebSocketHttpRequest.NoAddress;
				handshake.Request.RemoteEndPoint = connection.RemoteEndPoint ?? WebSocketHttpRequest.NoAddress;
				webSocket = await NegotiateRequestAsync(handshake, connection, cancellation).ConfigureAwait(continueOnCapturedContext: false);
				return webSocket;
			}
			finally
			{
				if (webSocket == null)
				{
					SafeEnd.Dispose(connection, log);
				}
			}
		}

		private async Task<WebSocket> NegotiateRequestAsync(WebSocketHandshake handshake, NetworkConnection connection, CancellationToken cancellation)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			if (connection == null)
			{
				throw new ArgumentNullException("connection");
			}
			cancellation.ThrowIfCancellationRequested();
			Stream stream = connection.AsStream();
			if (handshake.Request.IsSecure)
			{
				SslProtocols supportedSslProtocols = options.SupportedSslProtocols;
				string dnsSafeHost = handshake.Request.RequestUri.DnsSafeHost;
				SslStream secureStream = new SslStream(stream, leaveInnerStreamOpen: false, options.CertificateValidationHandler);
				await secureStream.AuthenticateAsClientAsync(dnsSafeHost, null, supportedSslProtocols, checkCertificateRevocation: false).ConfigureAwait(continueOnCapturedContext: false);
				connection = new SslNetworkConnection(secureStream, connection);
				stream = secureStream;
			}
			handshake.Factory = options.Standards.GetLast();
			await WriteRequestAsync(handshake, stream).ConfigureAwait(continueOnCapturedContext: false);
			cancellation.ThrowIfCancellationRequested();
			await ReadResponseAsync(handshake, stream).ConfigureAwait(continueOnCapturedContext: false);
			cancellation.ThrowIfCancellationRequested();
			if (await (options.HttpAuthenticationHandler?.Invoke(handshake.Request, handshake.Response) ?? Task.FromResult(result: false)).ConfigureAwait(continueOnCapturedContext: false))
			{
				throw new WebSocketException("HTTP authentication failed.");
			}
			return handshake.Factory.CreateWebSocket(connection, options, handshake.Request, handshake.Response, handshake.NegotiatedMessageExtensions);
		}

		private async Task WriteRequestAsync(WebSocketHandshake handshake, Stream stream)
		{
			Uri url = handshake.Request.RequestUri;
			string value2 = handshake.GenerateClientNonce();
			int largeBufferSize = options.BufferManager.LargeBufferSize;
			using StreamWriter writer = new StreamWriter(stream, Encoding.ASCII, largeBufferSize, leaveOpen: true);
			Headers<RequestHeader> requestHeaders = handshake.Request.Headers;
			requestHeaders[RequestHeader.Host] = url.DnsSafeHost;
			requestHeaders[RequestHeader.Upgrade] = "websocket";
			requestHeaders[RequestHeader.Connection] = "keep-alive, Upgrade";
			requestHeaders[RequestHeader.WebSocketKey] = value2;
			requestHeaders[RequestHeader.WebSocketVersion] = handshake.Factory.Version.ToString();
			requestHeaders[RequestHeader.CacheControl] = "no-cache";
			requestHeaders[RequestHeader.Pragma] = "no-cache";
			foreach (IWebSocketMessageExtension messageExtension in handshake.Factory.MessageExtensions)
			{
				requestHeaders.Add(RequestHeader.WebSocketExtensions, messageExtension.ToString());
			}
			string[] subProtocols = options.SubProtocols;
			foreach (string value3 in subProtocols)
			{
				requestHeaders.Add(RequestHeader.WebSocketProtocol, value3);
			}
			writer.NewLine = "\r\n";
			await writer.WriteAsync("GET ").ConfigureAwait(continueOnCapturedContext: false);
			await writer.WriteAsync(url.PathAndQuery).ConfigureAwait(continueOnCapturedContext: false);
			await writer.WriteLineAsync(" HTTP/1.1").ConfigureAwait(continueOnCapturedContext: false);
			foreach (KeyValuePair<string, Headers<RequestHeader>.ValueCollection> item in requestHeaders)
			{
				string headerName = item.Key;
				foreach (string value in item.Value)
				{
					await writer.WriteAsync(headerName).ConfigureAwait(continueOnCapturedContext: false);
					await writer.WriteAsync(": ").ConfigureAwait(continueOnCapturedContext: false);
					await writer.WriteLineAsync(value).ConfigureAwait(continueOnCapturedContext: false);
				}
			}
			await writer.WriteLineAsync().ConfigureAwait(continueOnCapturedContext: false);
			await writer.FlushAsync().ConfigureAwait(continueOnCapturedContext: false);
		}

		private async Task ReadResponseAsync(WebSocketHandshake handshake, Stream stream)
		{
			int largeBufferSize = options.BufferManager.LargeBufferSize;
			using (StreamReader reader = new StreamReader(stream, Encoding.ASCII, detectEncodingFromByteOrderMarks: false, largeBufferSize, leaveOpen: true))
			{
				Headers<ResponseHeader> responseHeaders = handshake.Response.Headers;
				string text = (await reader.ReadLineAsync().ConfigureAwait(continueOnCapturedContext: false)) ?? string.Empty;
				if (!HttpHelper.TryParseHttpResponse(text, out handshake.Response.Status, out handshake.Response.StatusDescription))
				{
					if (string.IsNullOrEmpty(text))
					{
						throw new WebSocketException("Empty response. Probably connection is closed by remote party.");
					}
					throw new WebSocketException("Invalid handshake response: " + text + ".");
				}
				if (handshake.Response.Status != HttpStatusCode.SwitchingProtocols)
				{
					throw new WebSocketException("Invalid handshake response: " + text + ".");
				}
				string text2 = await reader.ReadLineAsync().ConfigureAwait(continueOnCapturedContext: false);
				while (!string.IsNullOrEmpty(text2))
				{
					responseHeaders.TryParseAndAdd(text2);
					text2 = await reader.ReadLineAsync().ConfigureAwait(continueOnCapturedContext: false);
				}
				handshake.Response.ThrowIfInvalid(handshake.ComputeHandshake());
			}
			ParseWebSocketExtensions(handshake);
			SelectExtensions(handshake);
		}

		private void SelectExtensions(WebSocketHandshake handshake)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			foreach (WebSocketExtension responseExtension in handshake.Response.WebSocketExtensions)
			{
				IWebSocketMessageExtension webSocketMessageExtension = handshake.Factory.MessageExtensions.SingleOrDefault((IWebSocketMessageExtension x) => x.Name.Equals(responseExtension.Name, StringComparison.OrdinalIgnoreCase));
				if (webSocketMessageExtension != null && webSocketMessageExtension.TryNegotiate(handshake.Request, out var _, out var context))
				{
					handshake.NegotiatedMessageExtensions.Add(context);
				}
			}
		}

		private void ParseWebSocketExtensions(WebSocketHandshake handshake)
		{
			if (handshake == null)
			{
				throw new ArgumentNullException("handshake");
			}
			Headers<ResponseHeader> headers = handshake.Response.Headers;
			if (!headers.Contains(ResponseHeader.WebSocketExtensions))
			{
				return;
			}
			foreach (string value in headers.GetValues(ResponseHeader.WebSocketExtensions))
			{
				List<WebSocketExtensionOption> list = new List<WebSocketExtensionOption>();
				string text = null;
				foreach (KeyValuePair<string, string> item in HeadersHelper.SplitAndTrimKeyValue(value, ';', '=', StringSplitOptions.RemoveEmptyEntries))
				{
					if (text == null)
					{
						text = item.Value;
					}
					else if (string.IsNullOrEmpty(item.Key))
					{
						list.Add(new WebSocketExtensionOption(item.Value, clientAvailableOption: true));
					}
					else
					{
						list.Add(new WebSocketExtensionOption(item.Key, item.Value));
					}
				}
				if (string.IsNullOrEmpty(text))
				{
					throw new WebSocketException("Wrong value '" + headers[ResponseHeader.WebSocketExtensions] + "' of " + Headers<ResponseHeader>.GetHeaderName(ResponseHeader.WebSocketExtensions) + " header in request.");
				}
				handshake.Response.WebSocketExtensions.Add(new WebSocketExtension(text, list));
			}
		}
	}
	public enum WebSocketCloseReason : short
	{
		NormalClose = 1000,
		GoingAway = 1001,
		ProtocolError = 1002,
		UnacceptableDataType = 1003,
		InvalidData = 1007,
		MessageViolatesPolicy = 1008,
		MessageToLarge = 1009,
		ExtensionRequired = 1010,
		UnexpectedCondition = 1011,
		TLSFailure = 105
	}
	public class WebSocketException : Exception
	{
		public WebSocketException(string message)
			: base(message)
		{
		}

		public WebSocketException(string message, Exception inner)
			: base(message, inner)
		{
		}
	}
	[PublicAPI]
	public abstract class WebSocketFactory
	{
		public abstract short Version { get; }

		public WebSocketMessageExtensionCollection MessageExtensions { get; private set; }

		protected WebSocketFactory()
		{
			MessageExtensions = new WebSocketMessageExtensionCollection();
		}

		public abstract WebSocket CreateWebSocket(NetworkConnection networkConnection, WebSocketListenerOptions options, WebSocketHttpRequest httpRequest, WebSocketHttpResponse httpResponse, List<IWebSocketMessageExtensionContext> negotiatedExtensions);

		public virtual WebSocketFactory Clone()
		{
			WebSocketFactory webSocketFactory = (WebSocketFactory)MemberwiseClone();
			webSocketFactory.MessageExtensions = new WebSocketMessageExtensionCollection();
			foreach (IWebSocketMessageExtension messageExtension in MessageExtensions)
			{
				webSocketFactory.MessageExtensions.Add(messageExtension.Clone());
			}
			return webSocketFactory;
		}
	}
	public sealed class WebSocketListener : IDisposable
	{
		private const int STATE_STOPPED = 0;

		private const int STATE_STARTING = 1;

		private const int STATE_STARTED = 2;

		private const int STATE_STOPPING = 3;

		private const int STATE_DISPOSED = 5;

		private static readonly Listener[] EmptyListeners = new Listener[0];

		private static readonly EndPoint[] EmptyEndPoints = new EndPoint[0];

		private readonly ILogger log;

		private readonly HttpNegotiationQueue negotiationQueue;

		private readonly WebSocketListenerOptions options;

		private readonly Uri[] listenEndPoints;

		private volatile AsyncConditionSource stopConditionSource;

		private volatile Listener[] listeners;

		private volatile EndPoint[] localEndPoints;

		private volatile int state;

		public bool IsStarted => state == 2;

		public IReadOnlyCollection<EndPoint> LocalEndpoints => (IReadOnlyCollection<EndPoint>)(object)localEndPoints;

		public WebSocketListener(IPEndPoint endpoint)
			: this(endpoint, new WebSocketListenerOptions())
		{
		}

		public WebSocketListener(IPEndPoint endpoint, WebSocketListenerOptions options)
			: this(new Uri[1]
			{
				new Uri("tcp://" + endpoint)
			}, options)
		{
		}

		public WebSocketListener(Uri[] listenEndPoints, WebSocketListenerOptions options)
		{
			if (listenEndPoints == null)
			{
				throw new ArgumentNullException("listenEndPoints");
			}
			if (listenEndPoints.Length == 0)
			{
				throw new ArgumentException("At least one prefix should be specified.", "listenEndPoints");
			}
			if (listenEndPoints.Any((Uri p) => p == null))
			{
				throw new ArgumentException("Null objects passed in array.", "listenEndPoints");
			}
			if (options == null)
			{
				throw new ArgumentNullException("options");
			}
			options.CheckCoherence();
			this.options = options.Clone();
			if (this.options.BufferManager == null)
			{
				this.options.BufferManager = BufferManager.CreateBufferManager(this.options.SendBufferSize * 100, this.options.SendBufferSize);
			}
			if (this.options.Logger == null)
			{
				this.options.Logger = NullLogger.Instance;
			}
			log = this.options.Logger;
			listeners = EmptyListeners;
			localEndPoints = EmptyEndPoints;
			this.listenEndPoints = listenEndPoints;
			negotiationQueue = new HttpNegotiationQueue(options.Standards, options.ConnectionExtensions, this.options);
		}

		public async Task StartAsync()
		{
			if (options.Standards.Count <= 0)
			{
				throw new WebSocketException("There are no WebSocket standards. Please, register standards using WebSocketListenerOptions.Standards.");
			}
			if (options.Transports.Count <= 0)
			{
				throw new WebSocketException("There are no WebSocket transports. Please, register transports using WebSocketListenerOptions.Transports.");
			}
			if (Interlocked.CompareExchange(ref state, 1, 0) != 0)
			{
				throw new WebSocketException("Failed to start listener from current state. Maybe it is disposed or already started.");
			}
			options.SetUsed(isUsed: true);
			Listener[] listeners = null;
			try
			{
				if (log.IsDebugEnabled)
				{
					log.Debug("WebSocketListener is starting.");
				}
				Tuple<Uri, WebSocketTransport>[] endPoints = new Tuple<Uri, WebSocketTransport>[listenEndPoints.Length];
				for (int j = 0; j < listenEndPoints.Length; j++)
				{
					Uri uri = listenEndPoints[j];
					WebSocketTransport transport = null;
					if (!options.Transports.TryGetWebSocketTransport(uri, out transport))
					{
						string arg = string.Join(", ", options.Transports.SelectMany((WebSocketTransport t) => t.Schemes).Distinct());
						throw new WebSocketException($"Unable to find transport for '{uri}'. Available transports are: {arg}.");
					}
					endPoints[j] = Tuple.Create(uri, transport);
				}
				listeners = new Listener[endPoints.Length];
				for (int i = 0; i < endPoints.Length; i++)
				{
					Listener[] array = listeners;
					int num = i;
					array[num] = await endPoints[i].Item2.ListenAsync(endPoints[i].Item1, options).ConfigureAwait(continueOnCapturedContext: false);
				}
				this.listeners = listeners;
				localEndPoints = this.listeners.SelectMany((Listener l) => l.LocalEndpoints).ToArray();
				stopConditionSource = new AsyncConditionSource(isSet: true)
				{
					ContinueOnCapturedContext = false
				};
				if (Interlocked.CompareExchange(ref state, 2, 1) != 1)
				{
					throw new WebSocketException("Failed to start listener from current state. Maybe it is disposed.");
				}
				AcceptConnectionsAsync().LogFault(log, null, "StartAsync", "E:\\D\\Visual Studio\\Projects\\RoR2Stuff\\WebSocketListener\\vtortola.WebSockets\\WebSocketListener.cs", 117);
				if (log.IsDebugEnabled)
				{
					log.Debug("WebSocketListener is started.");
				}
				listeners = null;
			}
			catch
			{
				options.SetUsed(isUsed: false);
				throw;
			}
			finally
			{
				Interlocked.CompareExchange(ref state, 0, 1);
				if (listeners != null)
				{
					Listener[] array2 = listeners;
					for (int k = 0; k < array2.Length; k++)
					{
						SafeEnd.Dispose(array2[k]);
					}
					this.listeners = EmptyListeners;
					localEndPoints = EmptyEndPoints;
					stopConditionSource = null;
				}
			}
		}

		public async Task StopAsync()
		{
			if (Interlocked.CompareExchange(ref state, 3, 2) != 2)
			{
				throw new WebSocketException("Failed to stop listener from current state. Maybe it is disposed or not started.");
			}
			options.SetUsed(isUsed: false);
			AsyncConditionSource asyncConditionSource = stopConditionSource;
			if (log.IsDebugEnabled)
			{
				log.Debug("WebSocketListener is stopping.");
			}
			localEndPoints = EmptyEndPoints;
			Listener[] array = Interlocked.Exchange(ref listeners, EmptyListeners);
			for (int i = 0; i < array.Length; i++)
			{
				SafeEnd.Dispose(array[i], log);
			}
			if (asyncConditionSource != null)
			{
				await asyncConditionSource;
			}
			if (Interlocked.CompareExchange(ref state, 0, 3) != 3)
			{
				throw new WebSocketException("Failed to stop listener from current state. Maybe it is disposed.");
			}
			if (log.IsDebugEnabled)
			{
				log.Debug("WebSocketListener is stopped.");
			}
		}

		private async Task AcceptConnectionsAsync()
		{
			await Task.Yield();
			Listener[] listeners = this.listeners;
			Task<NetworkConnection>[] acceptTasks = new Task<NetworkConnection>[listeners.Length];
			int acceptOffset = 0;
			try
			{
				while (IsStarted)
				{
					for (int i = 0; i < acceptTasks.Length; i++)
					{
						if (acceptTasks[i] == null)
						{
							try
							{
								acceptTasks[i] = listeners[i].AcceptConnectionAsync();
							}
							catch (Exception ex) when (!(ex is ThreadAbortException))
							{
								acceptTasks[i] = TaskHelper.FailedTask<NetworkConnection>(ex);
							}
						}
					}
					await Task.WhenAny(acceptTasks).ConfigureAwait(continueOnCapturedContext: false);
					if (acceptOffset == 65535)
					{
						acceptOffset = 0;
					}
					acceptOffset++;
					for (int j = 0; j < acceptTasks.Length; j++)
					{
						int num = (acceptOffset + j) % acceptTasks.Length;
						Task<NetworkConnection> task = acceptTasks[num];
						if (task != null && task.IsCompleted)
						{
							acceptTasks[num] = null;
							AcceptNewConnection(task, listeners[num]);
						}
					}
				}
			}
			finally
			{
				CleanupPendingConnections(acceptTasks);
			}
		}

		private void CleanupPendingConnections(Task<NetworkConnection>[] acceptTasks)
		{
			if (acceptTasks == null)
			{
				throw new ArgumentNullException("acceptTasks");
			}
			for (int i = 0; i < acceptTasks.Length; i++)
			{
				acceptTasks[i]?.ContinueWith(delegate(Task<NetworkConnection> t)
				{
					SafeEnd.Dispose(t.Result, log);
				}, CancellationToken.None, TaskContinuationOptions.OnlyOnRanToCompletion | TaskContinuationOptions.ExecuteSynchronously, TaskScheduler.Current).LogFault(log, null, "CleanupPendingConnections", "E:\\D\\Visual Studio\\Projects\\RoR2Stuff\\WebSocketListener\\vtortola.WebSockets\\WebSocketListener.cs", 234);
			}
			Array.Clear(acceptTasks, 0, acceptTasks.Length);
		}

		private void AcceptNewConnection(Task<NetworkConnection> acceptTask, Listener listener)
		{
			if (acceptTask == null)
			{
				throw new ArgumentNullException("acceptTask");
			}
			if (listener == null)
			{
				throw new ArgumentNullException("listener");
			}
			Exception ex = acceptTask.Exception.Unwrap();
			if (acceptTask.Status != TaskStatus.RanToCompletion)
			{
				if (log.IsDebugEnabled && ex != null && !(ex is OperationCanceledException))
				{
					log.Debug($"Accept from '{listener}' has failed.", ex);
				}
				return;
			}
			NetworkConnection result = acceptTask.Result;
			if (log.IsDebugEnabled)
			{
				log.Debug($"New client from '{result}' is connected.");
			}
			negotiationQueue.Queue(result);
		}

		public async Task<WebSocket> AcceptWebSocketAsync(CancellationToken token)
		{
			try
			{
				WebSocketNegotiationResult webSocketNegotiationResult = await negotiationQueue.DequeueAsync(token).ConfigureAwait(continueOnCapturedContext: false);
				if (webSocketNegotiationResult.Error != null)
				{
					if (log.IsDebugEnabled && !(webSocketNegotiationResult.Error.SourceException.Unwrap() is OperationCanceledException))
					{
						log.Debug("AcceptWebSocketAsync is complete with error.", webSocketNegotiationResult.Error.SourceException);
					}
					webSocketNegotiationResult.Error.Throw();
					return null;
				}
				return webSocketNegotiationResult.Result;
			}
			catch (OperationCanceledException)
			{
				return null;
			}
		}

		public void Dispose()
		{
			if (Interlocked.Exchange(ref state, 5) != 5)
			{
				stopConditionSource?.Set();
				localEndPoints = EmptyEndPoints;
				Listener[] array = Interlocked.Exchange(ref listeners, EmptyListeners);
				for (int i = 0; i < array.Length; i++)
				{
					SafeEnd.Dispose(array[i], log);
				}
				SafeEnd.Dispose(negotiationQueue, log);
			}
		}
	}
	[PublicAPI]
	public sealed class WebSocketListenerOptions
	{
		public const int DEFAULT_SEND_BUFFER_SIZE = 8192;

		public static readonly string[] NoSubProtocols = new string[0];

		[NotNull]
		public WebSocketTransportCollection Transports { get; private set; }

		[NotNull]
		public WebSocketFactoryCollection Standards { get; private set; }

		[NotNull]
		public WebSocketConnectionExtensionCollection ConnectionExtensions { get; private set; }

		public TimeSpan PingTimeout { get; set; }

		public TimeSpan PingInterval
		{
			get
			{
				if (!(PingTimeout > TimeSpan.Zero))
				{
					return TimeSpan.FromSeconds(5.0);
				}
				return TimeSpan.FromTicks(PingTimeout.Ticks / 3);
			}
		}

		public int NegotiationQueueCapacity { get; set; }

		public int ParallelNegotiations { get; set; }

		public TimeSpan NegotiationTimeout { get; set; }

		public int SendBufferSize { get; set; }

		public string[] SubProtocols { get; set; }

		public BufferManager BufferManager { get; set; }

		public HttpAuthenticationCallback HttpAuthenticationHandler { get; set; }

		public RemoteCertificateValidationCallback CertificateValidationHandler { get; set; }

		public SslProtocols SupportedSslProtocols { get; set; }

		public PingMode PingMode { get; set; }

		public IHttpFallback HttpFallback { get; set; }

		public ILogger Logger { get; set; }

		public WebSocketListenerOptions()
		{
			PingTimeout = TimeSpan.FromSeconds(5.0);
			Transports = new WebSocketTransportCollection();
			Standards = new WebSocketFactoryCollection();
			ConnectionExtensions = new WebSocketConnectionExtensionCollection();
			NegotiationQueueCapacity = Environment.ProcessorCount * 10;
			ParallelNegotiations = Environment.ProcessorCount * 2;
			NegotiationTimeout = TimeSpan.FromSeconds(5.0);
			SendBufferSize = 8192;
			SubProtocols = NoSubProtocols;
			HttpAuthenticationHandler = null;
			CertificateValidationHandler = null;
			PingMode = PingMode.LatencyControl;
			SupportedSslProtocols = SslProtocols.Tls | SslProtocols.Tls11 | SslProtocols.Tls12;
			Logger = NullLogger.Instance;
		}

		public void CheckCoherence()
		{
			if (PingTimeout <= TimeSpan.Zero)
			{
				PingTimeout = Timeout.InfiniteTimeSpan;
			}
			if (PingTimeout <= TimeSpan.FromSeconds(1.0))
			{
				PingTimeout = TimeSpan.FromSeconds(1.0);
			}
			if (NegotiationQueueCapacity < 0)
			{
				throw new WebSocketException(string.Format("{0} must be 0 or more. Actual value: {1}", "NegotiationQueueCapacity", NegotiationQueueCapacity));
			}
			if (ParallelNegotiations < 1)
			{
				throw new WebSocketException(string.Format("{0} cannot be less than 1. Actual value: {1}", "ParallelNegotiations", ParallelNegotiations));
			}
			if (NegotiationTimeout == TimeSpan.Zero)
			{
				NegotiationTimeout = Timeout.InfiniteTimeSpan;
			}
			if (SendBufferSize < 1024)
			{
				throw new WebSocketException(string.Format("{0} must be bigger than 1024. Actual value: {1}", "SendBufferSize", SendBufferSize));
			}
			if (BufferManager != null && BufferManager.LargeBufferSize < SendBufferSize)
			{
				throw new WebSocketException("WebSocketListenerOptions.BufferManager.LargeBufferSize must be larger or equals to WebSocketListenerOptions.SendBufferSize. " + string.Format("Value of {0}: {1}. Value of {2}: {3}.", "SendBufferSize", SendBufferSize, "LargeBufferSize", BufferManager.LargeBufferSize));
			}
			if (Logger == null)
			{
				throw new WebSocketException(string.Format("{0} should be set. You can use {1}.{2} to disable logging.", Logger, "NullLogger", "Instance"));
			}
		}

		public WebSocketListenerOptions Clone()
		{
			WebSocketListenerOptions obj = (WebSocketListenerOptions)MemberwiseClone();
			obj.SubProtocols = (string[])SubProtocols.Clone();
			obj.Transports = Transports.Clone();
			obj.Standards = Standards.Clone();
			obj.ConnectionExtensions = ConnectionExtensions.Clone();
			return obj;
		}

		public void SetUsed(bool isUsed)
		{
			Standards.SetUsed(isUsed);
			foreach (WebSocketFactory standard in Standards)
			{
				standard.MessageExtensions.SetUsed(isUsed: true);
			}
			ConnectionExtensions.SetUsed(isUsed);
			Transports.SetUsed(isUsed);
		}
	}
	public static class WebSocketStringExtensions
	{
		private static readonly UTF8Encoding Utf8NoBom = new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: false);

		[ItemCanBeNull]
		[NotNull]
		public static async Task<string> ReadStringAsync([NotNull] this WebSocket webSocket, CancellationToken cancellationToken = default(CancellationToken))
		{
			if (webSocket == null)
			{
				throw new ArgumentNullException("webSocket");
			}
			using WebSocketMessageReadStream readStream = await webSocket.ReadMessageAsync(cancellationToken).ConfigureAwait(continueOnCapturedContext: false);
			if (readStream == null)
			{
				return null;
			}
			using StreamReader reader = new StreamReader(readStream, Utf8NoBom);
			return await reader.ReadToEndAsync().ConfigureAwait(continueOnCapturedContext: false);
		}

		public static async Task WriteStringAsync([NotNull] this WebSocket webSocket, [NotNull] string data, CancellationToken cancellationToken = default(CancellationToken))
		{
			if (webSocket == null)
			{
				throw new Argume

plugins/Microsoft.Bcl.AsyncInterfaces.dll

Decompiled a year ago
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.ExceptionServices;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: AssemblyMetadata("PreferInbox", "True")]
[assembly: AssemblyDefaultAlias("Microsoft.Bcl.AsyncInterfaces")]
[assembly: CLSCompliant(true)]
[assembly: AssemblyMetadata("IsTrimmable", "True")]
[assembly: DefaultDllImportSearchPaths(DllImportSearchPath.System32 | DllImportSearchPath.AssemblyDirectory)]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyCopyright("© Microsoft Corporation. All rights reserved.")]
[assembly: AssemblyDescription("Provides the IAsyncEnumerable<T> and IAsyncDisposable interfaces and helper types for .NET Standard 2.0. This package is not required starting with .NET Standard 2.1 and .NET Core 3.0.\r\n\r\nCommonly Used Types:\r\nSystem.IAsyncDisposable\r\nSystem.Collections.Generic.IAsyncEnumerable\r\nSystem.Collections.Generic.IAsyncEnumerator")]
[assembly: AssemblyFileVersion("7.0.22.51805")]
[assembly: AssemblyInformationalVersion("7.0.0+d099f075e45d2aa6007a22b71b45a08758559f80")]
[assembly: AssemblyProduct("Microsoft® .NET")]
[assembly: AssemblyTitle("Microsoft.Bcl.AsyncInterfaces")]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/dotnet/runtime")]
[assembly: AssemblyVersion("7.0.0.0")]
[module: RefSafetyRules(11)]
[module: System.Runtime.CompilerServices.NullablePublicOnly(false)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsReadOnlyAttribute : Attribute
	{
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class NullablePublicOnlyAttribute : Attribute
	{
		public readonly bool IncludesInternals;

		public NullablePublicOnlyAttribute(bool P_0)
		{
			IncludesInternals = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
}
namespace System
{
	public interface IAsyncDisposable
	{
		ValueTask DisposeAsync();
	}
}
namespace System.Diagnostics.CodeAnalysis
{
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class AllowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class DisallowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	internal sealed class MaybeNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	internal sealed class NotNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class MaybeNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public MaybeNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class NotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public NotNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter | AttributeTargets.ReturnValue, AllowMultiple = true, Inherited = false)]
	internal sealed class NotNullIfNotNullAttribute : Attribute
	{
		public string ParameterName { get; }

		public NotNullIfNotNullAttribute(string parameterName)
		{
			ParameterName = parameterName;
		}
	}
	[AttributeUsage(AttributeTargets.Method, Inherited = false)]
	internal sealed class DoesNotReturnAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class DoesNotReturnIfAttribute : Attribute
	{
		public bool ParameterValue { get; }

		public DoesNotReturnIfAttribute(bool parameterValue)
		{
			ParameterValue = parameterValue;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	internal sealed class MemberNotNullAttribute : Attribute
	{
		public string[] Members { get; }

		public MemberNotNullAttribute(string member)
		{
			Members = new string[1] { member };
		}

		public MemberNotNullAttribute(params string[] members)
		{
			Members = members;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	internal sealed class MemberNotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public string[] Members { get; }

		public MemberNotNullWhenAttribute(bool returnValue, string member)
		{
			ReturnValue = returnValue;
			Members = new string[1] { member };
		}

		public MemberNotNullWhenAttribute(bool returnValue, params string[] members)
		{
			ReturnValue = returnValue;
			Members = members;
		}
	}
}
namespace System.Collections.Generic
{
	public interface IAsyncEnumerable<out T>
	{
		IAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken cancellationToken = default(CancellationToken));
	}
	public interface IAsyncEnumerator<out T> : IAsyncDisposable
	{
		T Current { get; }

		ValueTask<bool> MoveNextAsync();
	}
}
namespace System.Runtime.InteropServices
{
	[AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
	internal sealed class LibraryImportAttribute : Attribute
	{
		public string LibraryName { get; }

		public string EntryPoint { get; set; }

		public StringMarshalling StringMarshalling { get; set; }

		public Type StringMarshallingCustomType { get; set; }

		public bool SetLastError { get; set; }

		public LibraryImportAttribute(string libraryName)
		{
			LibraryName = libraryName;
		}
	}
	internal enum StringMarshalling
	{
		Custom,
		Utf8,
		Utf16
	}
}
namespace System.Runtime.CompilerServices
{
	[StructLayout(LayoutKind.Auto)]
	public struct AsyncIteratorMethodBuilder
	{
		private AsyncTaskMethodBuilder _methodBuilder;

		private object _id;

		internal object ObjectIdForDebugger => _id ?? Interlocked.CompareExchange(ref _id, new object(), null) ?? _id;

		public static AsyncIteratorMethodBuilder Create()
		{
			AsyncIteratorMethodBuilder result = default(AsyncIteratorMethodBuilder);
			result._methodBuilder = AsyncTaskMethodBuilder.Create();
			return result;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public void MoveNext<TStateMachine>(ref TStateMachine stateMachine) where TStateMachine : IAsyncStateMachine
		{
			_methodBuilder.Start(ref stateMachine);
		}

		public void AwaitOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : INotifyCompletion where TStateMachine : IAsyncStateMachine
		{
			_methodBuilder.AwaitOnCompleted(ref awaiter, ref stateMachine);
		}

		public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : ICriticalNotifyCompletion where TStateMachine : IAsyncStateMachine
		{
			_methodBuilder.AwaitUnsafeOnCompleted(ref awaiter, ref stateMachine);
		}

		public void Complete()
		{
			_methodBuilder.SetResult();
		}
	}
	[AttributeUsage(AttributeTargets.Method, Inherited = false, AllowMultiple = false)]
	public sealed class AsyncIteratorStateMachineAttribute : StateMachineAttribute
	{
		public AsyncIteratorStateMachineAttribute(Type stateMachineType)
			: base(stateMachineType)
		{
		}
	}
	[StructLayout(LayoutKind.Auto)]
	public readonly struct ConfiguredAsyncDisposable
	{
		private readonly IAsyncDisposable _source;

		private readonly bool _continueOnCapturedContext;

		internal ConfiguredAsyncDisposable(IAsyncDisposable source, bool continueOnCapturedContext)
		{
			_source = source;
			_continueOnCapturedContext = continueOnCapturedContext;
		}

		public ConfiguredValueTaskAwaitable DisposeAsync()
		{
			return _source.DisposeAsync().ConfigureAwait(_continueOnCapturedContext);
		}
	}
	[StructLayout(LayoutKind.Auto)]
	public readonly struct ConfiguredCancelableAsyncEnumerable<T>
	{
		[StructLayout(LayoutKind.Auto)]
		public readonly struct Enumerator
		{
			private readonly IAsyncEnumerator<T> _enumerator;

			private readonly bool _continueOnCapturedContext;

			public T Current => _enumerator.Current;

			internal Enumerator(IAsyncEnumerator<T> enumerator, bool continueOnCapturedContext)
			{
				_enumerator = enumerator;
				_continueOnCapturedContext = continueOnCapturedContext;
			}

			public ConfiguredValueTaskAwaitable<bool> MoveNextAsync()
			{
				return _enumerator.MoveNextAsync().ConfigureAwait(_continueOnCapturedContext);
			}

			public ConfiguredValueTaskAwaitable DisposeAsync()
			{
				return _enumerator.DisposeAsync().ConfigureAwait(_continueOnCapturedContext);
			}
		}

		private readonly IAsyncEnumerable<T> _enumerable;

		private readonly CancellationToken _cancellationToken;

		private readonly bool _continueOnCapturedContext;

		internal ConfiguredCancelableAsyncEnumerable(IAsyncEnumerable<T> enumerable, bool continueOnCapturedContext, CancellationToken cancellationToken)
		{
			_enumerable = enumerable;
			_continueOnCapturedContext = continueOnCapturedContext;
			_cancellationToken = cancellationToken;
		}

		public ConfiguredCancelableAsyncEnumerable<T> ConfigureAwait(bool continueOnCapturedContext)
		{
			return new ConfiguredCancelableAsyncEnumerable<T>(_enumerable, continueOnCapturedContext, _cancellationToken);
		}

		public ConfiguredCancelableAsyncEnumerable<T> WithCancellation(CancellationToken cancellationToken)
		{
			return new ConfiguredCancelableAsyncEnumerable<T>(_enumerable, _continueOnCapturedContext, cancellationToken);
		}

		public Enumerator GetAsyncEnumerator()
		{
			return new Enumerator(_enumerable.GetAsyncEnumerator(_cancellationToken), _continueOnCapturedContext);
		}
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	public sealed class EnumeratorCancellationAttribute : Attribute
	{
	}
}
namespace System.Threading.Tasks
{
	public static class TaskAsyncEnumerableExtensions
	{
		public static ConfiguredAsyncDisposable ConfigureAwait(this IAsyncDisposable source, bool continueOnCapturedContext)
		{
			return new ConfiguredAsyncDisposable(source, continueOnCapturedContext);
		}

		public static ConfiguredCancelableAsyncEnumerable<T> ConfigureAwait<T>(this IAsyncEnumerable<T> source, bool continueOnCapturedContext)
		{
			return new ConfiguredCancelableAsyncEnumerable<T>(source, continueOnCapturedContext, default(CancellationToken));
		}

		public static ConfiguredCancelableAsyncEnumerable<T> WithCancellation<T>(this IAsyncEnumerable<T> source, CancellationToken cancellationToken)
		{
			return new ConfiguredCancelableAsyncEnumerable<T>(source, continueOnCapturedContext: true, cancellationToken);
		}
	}
}
namespace System.Threading.Tasks.Sources
{
	[StructLayout(LayoutKind.Auto)]
	public struct ManualResetValueTaskSourceCore<TResult>
	{
		private Action<object> _continuation;

		private object _continuationState;

		private ExecutionContext _executionContext;

		private object _capturedContext;

		private bool _completed;

		private TResult _result;

		private ExceptionDispatchInfo _error;

		private short _version;

		public bool RunContinuationsAsynchronously { get; set; }

		public short Version => _version;

		public void Reset()
		{
			_version++;
			_completed = false;
			_result = default(TResult);
			_error = null;
			_executionContext = null;
			_capturedContext = null;
			_continuation = null;
			_continuationState = null;
		}

		public void SetResult(TResult result)
		{
			_result = result;
			SignalCompletion();
		}

		public void SetException(Exception error)
		{
			_error = ExceptionDispatchInfo.Capture(error);
			SignalCompletion();
		}

		public ValueTaskSourceStatus GetStatus(short token)
		{
			ValidateToken(token);
			if (_continuation != null && _completed)
			{
				if (_error != null)
				{
					if (!(_error.SourceException is OperationCanceledException))
					{
						return ValueTaskSourceStatus.Faulted;
					}
					return ValueTaskSourceStatus.Canceled;
				}
				return ValueTaskSourceStatus.Succeeded;
			}
			return ValueTaskSourceStatus.Pending;
		}

		public TResult GetResult(short token)
		{
			ValidateToken(token);
			if (!_completed)
			{
				throw new InvalidOperationException();
			}
			_error?.Throw();
			return _result;
		}

		public void OnCompleted(Action<object?> continuation, object? state, short token, ValueTaskSourceOnCompletedFlags flags)
		{
			if (continuation == null)
			{
				throw new ArgumentNullException("continuation");
			}
			ValidateToken(token);
			if ((flags & ValueTaskSourceOnCompletedFlags.FlowExecutionContext) != 0)
			{
				_executionContext = ExecutionContext.Capture();
			}
			if ((flags & ValueTaskSourceOnCompletedFlags.UseSchedulingContext) != 0)
			{
				SynchronizationContext current = SynchronizationContext.Current;
				if (current != null && current.GetType() != typeof(SynchronizationContext))
				{
					_capturedContext = current;
				}
				else
				{
					TaskScheduler current2 = TaskScheduler.Current;
					if (current2 != TaskScheduler.Default)
					{
						_capturedContext = current2;
					}
				}
			}
			object obj = _continuation;
			if (obj == null)
			{
				_continuationState = state;
				obj = Interlocked.CompareExchange(ref _continuation, continuation, null);
			}
			if (obj == null)
			{
				return;
			}
			if (obj != System.Threading.Tasks.Sources.ManualResetValueTaskSourceCoreShared.s_sentinel)
			{
				throw new InvalidOperationException();
			}
			object capturedContext = _capturedContext;
			if (capturedContext != null)
			{
				if (!(capturedContext is SynchronizationContext synchronizationContext))
				{
					if (capturedContext is TaskScheduler scheduler)
					{
						Task.Factory.StartNew(continuation, state, CancellationToken.None, TaskCreationOptions.DenyChildAttach, scheduler);
					}
				}
				else
				{
					synchronizationContext.Post(delegate(object s)
					{
						Tuple<Action<object>, object> tuple = (Tuple<Action<object>, object>)s;
						tuple.Item1(tuple.Item2);
					}, Tuple.Create(continuation, state));
				}
			}
			else
			{
				Task.Factory.StartNew(continuation, state, CancellationToken.None, TaskCreationOptions.DenyChildAttach, TaskScheduler.Default);
			}
		}

		private void ValidateToken(short token)
		{
			if (token != _version)
			{
				throw new InvalidOperationException();
			}
		}

		private void SignalCompletion()
		{
			if (_completed)
			{
				throw new InvalidOperationException();
			}
			_completed = true;
			if (_continuation == null && Interlocked.CompareExchange(ref _continuation, System.Threading.Tasks.Sources.ManualResetValueTaskSourceCoreShared.s_sentinel, null) == null)
			{
				return;
			}
			if (_executionContext != null)
			{
				ExecutionContext.Run(_executionContext, delegate(object s)
				{
					((ManualResetValueTaskSourceCore<TResult>)s).InvokeContinuation();
				}, this);
			}
			else
			{
				InvokeContinuation();
			}
		}

		private void InvokeContinuation()
		{
			object capturedContext = _capturedContext;
			if (capturedContext != null)
			{
				if (!(capturedContext is SynchronizationContext synchronizationContext))
				{
					if (capturedContext is TaskScheduler scheduler)
					{
						Task.Factory.StartNew(_continuation, _continuationState, CancellationToken.None, TaskCreationOptions.DenyChildAttach, scheduler);
					}
				}
				else
				{
					synchronizationContext.Post(delegate(object s)
					{
						Tuple<Action<object>, object> tuple = (Tuple<Action<object>, object>)s;
						tuple.Item1(tuple.Item2);
					}, Tuple.Create(_continuation, _continuationState));
				}
			}
			else if (RunContinuationsAsynchronously)
			{
				Task.Factory.StartNew(_continuation, _continuationState, CancellationToken.None, TaskCreationOptions.DenyChildAttach, TaskScheduler.Default);
			}
			else
			{
				_continuation(_continuationState);
			}
		}
	}
	internal static class ManualResetValueTaskSourceCoreShared
	{
		internal static readonly Action<object> s_sentinel = CompletionSentinel;

		private static void CompletionSentinel(object _)
		{
			throw new InvalidOperationException();
		}
	}
}

plugins/Microsoft.CSharp.dll

Decompiled a year ago
using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Dynamic;
using System.Globalization;
using System.Linq;
using System.Linq.Expressions;
using System.Numerics.Hashing;
using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Security;
using System.Text;
using System.Threading;
using FxResources.Microsoft.CSharp;
using Microsoft.CSharp.RuntimeBinder.Errors;
using Microsoft.CSharp.RuntimeBinder.Semantics;
using Microsoft.CSharp.RuntimeBinder.Syntax;
using Microsoft.CodeAnalysis;

[assembly: DefaultDllImportSearchPaths(DllImportSearchPath.System32 | DllImportSearchPath.AssemblyDirectory)]
[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: AssemblyDefaultAlias("Microsoft.CSharp")]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: AssemblyMetadata("PreferInbox", "True")]
[assembly: AssemblyCopyright("© Microsoft Corporation. All rights reserved.")]
[assembly: AssemblyDescription("Microsoft.CSharp")]
[assembly: AssemblyFileVersion("4.700.19.56404")]
[assembly: AssemblyInformationalVersion("3.1.0+0f7f38c4fd323b26da10cce95f857f77f0f09b48")]
[assembly: AssemblyProduct("Microsoft® .NET Core")]
[assembly: AssemblyTitle("Microsoft.CSharp")]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: CLSCompliant(true)]
[assembly: AssemblyVersion("4.0.5.0")]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[Microsoft.CodeAnalysis.Embedded]
	[CompilerGenerated]
	internal sealed class IsReadOnlyAttribute : Attribute
	{
	}
}
namespace FxResources.Microsoft.CSharp
{
	internal static class SR
	{
	}
}
namespace System
{
	internal static class SR
	{
		private static ResourceManager s_resourceManager;

		internal static ResourceManager ResourceManager => s_resourceManager ?? (s_resourceManager = new ResourceManager(typeof(SR)));

		internal static string InternalCompilerError => GetResourceString("InternalCompilerError");

		internal static string BindPropertyFailedMethodGroup => GetResourceString("BindPropertyFailedMethodGroup");

		internal static string BindPropertyFailedEvent => GetResourceString("BindPropertyFailedEvent");

		internal static string BindInvokeFailedNonDelegate => GetResourceString("BindInvokeFailedNonDelegate");

		internal static string NullReferenceOnMemberException => GetResourceString("NullReferenceOnMemberException");

		internal static string BindCallToConditionalMethod => GetResourceString("BindCallToConditionalMethod");

		internal static string BindToVoidMethodButExpectResult => GetResourceString("BindToVoidMethodButExpectResult");

		internal static string EmptyDynamicView => GetResourceString("EmptyDynamicView");

		internal static string GetValueonWriteOnlyProperty => GetResourceString("GetValueonWriteOnlyProperty");

		internal static string BadBinaryOps => GetResourceString("BadBinaryOps");

		internal static string BadIndexLHS => GetResourceString("BadIndexLHS");

		internal static string BadIndexCount => GetResourceString("BadIndexCount");

		internal static string BadUnaryOp => GetResourceString("BadUnaryOp");

		internal static string NoImplicitConv => GetResourceString("NoImplicitConv");

		internal static string NoExplicitConv => GetResourceString("NoExplicitConv");

		internal static string ConstOutOfRange => GetResourceString("ConstOutOfRange");

		internal static string AmbigBinaryOps => GetResourceString("AmbigBinaryOps");

		internal static string AmbigUnaryOp => GetResourceString("AmbigUnaryOp");

		internal static string ValueCantBeNull => GetResourceString("ValueCantBeNull");

		internal static string NoSuchMember => GetResourceString("NoSuchMember");

		internal static string ObjectRequired => GetResourceString("ObjectRequired");

		internal static string AmbigCall => GetResourceString("AmbigCall");

		internal static string BadAccess => GetResourceString("BadAccess");

		internal static string AssgLvalueExpected => GetResourceString("AssgLvalueExpected");

		internal static string NoConstructors => GetResourceString("NoConstructors");

		internal static string PropertyLacksGet => GetResourceString("PropertyLacksGet");

		internal static string ObjectProhibited => GetResourceString("ObjectProhibited");

		internal static string AssgReadonly => GetResourceString("AssgReadonly");

		internal static string AssgReadonlyStatic => GetResourceString("AssgReadonlyStatic");

		internal static string AssgReadonlyProp => GetResourceString("AssgReadonlyProp");

		internal static string UnsafeNeeded => GetResourceString("UnsafeNeeded");

		internal static string BadBoolOp => GetResourceString("BadBoolOp");

		internal static string MustHaveOpTF => GetResourceString("MustHaveOpTF");

		internal static string ConstOutOfRangeChecked => GetResourceString("ConstOutOfRangeChecked");

		internal static string AmbigMember => GetResourceString("AmbigMember");

		internal static string NoImplicitConvCast => GetResourceString("NoImplicitConvCast");

		internal static string InaccessibleGetter => GetResourceString("InaccessibleGetter");

		internal static string InaccessibleSetter => GetResourceString("InaccessibleSetter");

		internal static string BadArity => GetResourceString("BadArity");

		internal static string TypeArgsNotAllowed => GetResourceString("TypeArgsNotAllowed");

		internal static string HasNoTypeVars => GetResourceString("HasNoTypeVars");

		internal static string NewConstraintNotSatisfied => GetResourceString("NewConstraintNotSatisfied");

		internal static string GenericConstraintNotSatisfiedRefType => GetResourceString("GenericConstraintNotSatisfiedRefType");

		internal static string GenericConstraintNotSatisfiedNullableEnum => GetResourceString("GenericConstraintNotSatisfiedNullableEnum");

		internal static string GenericConstraintNotSatisfiedNullableInterface => GetResourceString("GenericConstraintNotSatisfiedNullableInterface");

		internal static string GenericConstraintNotSatisfiedValType => GetResourceString("GenericConstraintNotSatisfiedValType");

		internal static string CantInferMethTypeArgs => GetResourceString("CantInferMethTypeArgs");

		internal static string RefConstraintNotSatisfied => GetResourceString("RefConstraintNotSatisfied");

		internal static string ValConstraintNotSatisfied => GetResourceString("ValConstraintNotSatisfied");

		internal static string AmbigUDConv => GetResourceString("AmbigUDConv");

		internal static string BindToBogus => GetResourceString("BindToBogus");

		internal static string CantCallSpecialMethod => GetResourceString("CantCallSpecialMethod");

		internal static string ConvertToStaticClass => GetResourceString("ConvertToStaticClass");

		internal static string IncrementLvalueExpected => GetResourceString("IncrementLvalueExpected");

		internal static string BadArgCount => GetResourceString("BadArgCount");

		internal static string BadArgTypes => GetResourceString("BadArgTypes");

		internal static string BadProtectedAccess => GetResourceString("BadProtectedAccess");

		internal static string BindToBogusProp2 => GetResourceString("BindToBogusProp2");

		internal static string BindToBogusProp1 => GetResourceString("BindToBogusProp1");

		internal static string BadDelArgCount => GetResourceString("BadDelArgCount");

		internal static string BadDelArgTypes => GetResourceString("BadDelArgTypes");

		internal static string BadCtorArgCount => GetResourceString("BadCtorArgCount");

		internal static string NonInvocableMemberCalled => GetResourceString("NonInvocableMemberCalled");

		internal static string BadNamedArgument => GetResourceString("BadNamedArgument");

		internal static string BadNamedArgumentForDelegateInvoke => GetResourceString("BadNamedArgumentForDelegateInvoke");

		internal static string DuplicateNamedArgument => GetResourceString("DuplicateNamedArgument");

		internal static string NamedArgumentUsedInPositional => GetResourceString("NamedArgumentUsedInPositional");

		internal static string TypeArgumentRequiredForStaticCall => GetResourceString("TypeArgumentRequiredForStaticCall");

		internal static string DynamicArgumentNeedsValue => GetResourceString("DynamicArgumentNeedsValue");

		internal static string BadNonTrailingNamedArgument => GetResourceString("BadNonTrailingNamedArgument");

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static bool UsingResourceKeys()
		{
			return false;
		}

		internal static string GetResourceString(string resourceKey, string defaultString = null)
		{
			if (UsingResourceKeys())
			{
				return defaultString ?? resourceKey;
			}
			string text = null;
			try
			{
				text = ResourceManager.GetString(resourceKey);
			}
			catch (MissingManifestResourceException)
			{
			}
			if (defaultString != null && resourceKey.Equals(text))
			{
				return defaultString;
			}
			return text;
		}

		internal static string Format(string resourceFormat, object p1)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1);
			}
			return string.Format(resourceFormat, p1);
		}
	}
}
namespace System.Numerics.Hashing
{
	internal static class HashHelpers
	{
		public static readonly int RandomSeed = new Random().Next(int.MinValue, int.MaxValue);

		public static int Combine(int h1, int h2)
		{
			uint num = (uint)(h1 << 5) | ((uint)h1 >> 27);
			return ((int)num + h1) ^ h2;
		}
	}
}
namespace Microsoft.CSharp.RuntimeBinder
{
	internal readonly struct ArgumentObject
	{
		internal readonly object Value;

		internal readonly CSharpArgumentInfo Info;

		internal readonly Type Type;

		public ArgumentObject(object value, CSharpArgumentInfo info, Type type)
		{
			Value = value;
			Info = info;
			Type = type;
		}
	}
	[EditorBrowsable(EditorBrowsableState.Never)]
	public static class Binder
	{
		public static CallSiteBinder BinaryOperation(CSharpBinderFlags flags, ExpressionType operation, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			bool isChecked = (flags & CSharpBinderFlags.CheckedContext) != 0;
			bool flag = (flags & CSharpBinderFlags.BinaryOperationLogical) != 0;
			CSharpBinaryOperationFlags cSharpBinaryOperationFlags = CSharpBinaryOperationFlags.None;
			if (flag)
			{
				cSharpBinaryOperationFlags |= CSharpBinaryOperationFlags.LogicalOperation;
			}
			return new CSharpBinaryOperationBinder(operation, isChecked, cSharpBinaryOperationFlags, context, argumentInfo).TryGetExisting();
		}

		public static CallSiteBinder Convert(CSharpBinderFlags flags, Type type, Type context)
		{
			CSharpConversionKind conversionKind = (((flags & CSharpBinderFlags.ConvertExplicit) != 0) ? CSharpConversionKind.ExplicitConversion : (((flags & CSharpBinderFlags.ConvertArrayIndex) != 0) ? CSharpConversionKind.ArrayCreationConversion : CSharpConversionKind.ImplicitConversion));
			bool isChecked = (flags & CSharpBinderFlags.CheckedContext) != 0;
			return new CSharpConvertBinder(type, conversionKind, isChecked, context).TryGetExisting();
		}

		public static CallSiteBinder GetIndex(CSharpBinderFlags flags, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			return new CSharpGetIndexBinder(context, argumentInfo).TryGetExisting();
		}

		public static CallSiteBinder GetMember(CSharpBinderFlags flags, string name, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			bool resultIndexed = (flags & CSharpBinderFlags.ResultIndexed) != 0;
			return new CSharpGetMemberBinder(name, resultIndexed, context, argumentInfo).TryGetExisting();
		}

		public static CallSiteBinder Invoke(CSharpBinderFlags flags, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			bool flag = (flags & CSharpBinderFlags.ResultDiscarded) != 0;
			CSharpCallFlags cSharpCallFlags = CSharpCallFlags.None;
			if (flag)
			{
				cSharpCallFlags |= CSharpCallFlags.ResultDiscarded;
			}
			return new CSharpInvokeBinder(cSharpCallFlags, context, argumentInfo).TryGetExisting();
		}

		public static CallSiteBinder InvokeMember(CSharpBinderFlags flags, string name, IEnumerable<Type> typeArguments, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			bool flag = (flags & CSharpBinderFlags.InvokeSimpleName) != 0;
			bool flag2 = (flags & CSharpBinderFlags.InvokeSpecialName) != 0;
			bool flag3 = (flags & CSharpBinderFlags.ResultDiscarded) != 0;
			CSharpCallFlags cSharpCallFlags = CSharpCallFlags.None;
			if (flag)
			{
				cSharpCallFlags |= CSharpCallFlags.SimpleNameCall;
			}
			if (flag2)
			{
				cSharpCallFlags |= CSharpCallFlags.EventHookup;
			}
			if (flag3)
			{
				cSharpCallFlags |= CSharpCallFlags.ResultDiscarded;
			}
			return new CSharpInvokeMemberBinder(cSharpCallFlags, name, context, typeArguments, argumentInfo).TryGetExisting();
		}

		public static CallSiteBinder InvokeConstructor(CSharpBinderFlags flags, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			return new CSharpInvokeConstructorBinder(CSharpCallFlags.None, context, argumentInfo).TryGetExisting();
		}

		public static CallSiteBinder IsEvent(CSharpBinderFlags flags, string name, Type context)
		{
			return new CSharpIsEventBinder(name, context).TryGetExisting();
		}

		public static CallSiteBinder SetIndex(CSharpBinderFlags flags, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			bool isCompoundAssignment = (flags & CSharpBinderFlags.ValueFromCompoundAssignment) != 0;
			bool isChecked = (flags & CSharpBinderFlags.CheckedContext) != 0;
			return new CSharpSetIndexBinder(isCompoundAssignment, isChecked, context, argumentInfo).TryGetExisting();
		}

		public static CallSiteBinder SetMember(CSharpBinderFlags flags, string name, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			bool isCompoundAssignment = (flags & CSharpBinderFlags.ValueFromCompoundAssignment) != 0;
			bool isChecked = (flags & CSharpBinderFlags.CheckedContext) != 0;
			return new CSharpSetMemberBinder(name, isCompoundAssignment, isChecked, context, argumentInfo).TryGetExisting();
		}

		public static CallSiteBinder UnaryOperation(CSharpBinderFlags flags, ExpressionType operation, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			bool isChecked = (flags & CSharpBinderFlags.CheckedContext) != 0;
			return new CSharpUnaryOperationBinder(operation, isChecked, context, argumentInfo).TryGetExisting();
		}
	}
	internal static class BinderEquivalence
	{
		internal class BinderEqualityComparer : IEqualityComparer<ICSharpBinder>
		{
			public bool Equals(ICSharpBinder x, ICSharpBinder y)
			{
				return x.IsEquivalentTo(y);
			}

			public int GetHashCode(ICSharpBinder obj)
			{
				return obj.GetGetBinderEquivalenceHash();
			}
		}

		private static int cachedBinderCount;

		private static readonly ConcurrentDictionary<ICSharpBinder, ICSharpBinder> binderEquivalenceCache = new ConcurrentDictionary<ICSharpBinder, ICSharpBinder>(2, 32, new BinderEqualityComparer());

		internal static T TryGetExisting<T>(this T binder) where T : ICSharpBinder
		{
			ICSharpBinder orAdd = binderEquivalenceCache.GetOrAdd(binder, binder);
			if (orAdd == (object)binder)
			{
				int num = Interlocked.Increment(ref cachedBinderCount);
				if ((uint)num > 4096u)
				{
					binderEquivalenceCache.Clear();
					cachedBinderCount = 0;
				}
			}
			return (T)orAdd;
		}
	}
	internal static class BinderHelper
	{
		private static MethodInfo s_DoubleIsNaN;

		private static MethodInfo s_SingleIsNaN;

		internal static DynamicMetaObject Bind(ICSharpBinder action, RuntimeBinder binder, DynamicMetaObject[] args, IEnumerable<CSharpArgumentInfo> arginfos, DynamicMetaObject onBindingError)
		{
			Expression[] array = new Expression[args.Length];
			BindingRestrictions bindingRestrictions = BindingRestrictions.Empty;
			ICSharpInvokeOrInvokeMemberBinder callPayload = action as ICSharpInvokeOrInvokeMemberBinder;
			ParameterExpression parameterExpression = null;
			IEnumerator<CSharpArgumentInfo> enumerator = (arginfos ?? Array.Empty<CSharpArgumentInfo>()).GetEnumerator();
			for (int i = 0; i < args.Length; i++)
			{
				DynamicMetaObject dynamicMetaObject = args[i];
				CSharpArgumentInfo cSharpArgumentInfo = (enumerator.MoveNext() ? enumerator.Current : null);
				if (i == 0 && IsIncrementOrDecrementActionOnLocal(action))
				{
					object value = dynamicMetaObject.Value;
					parameterExpression = (ParameterExpression)(array[0] = Expression.Variable((value != null) ? value.GetType() : typeof(object), "t0"));
				}
				else
				{
					array[i] = dynamicMetaObject.Expression;
				}
				BindingRestrictions restrictions = DeduceArgumentRestriction(i, callPayload, dynamicMetaObject, cSharpArgumentInfo);
				bindingRestrictions = bindingRestrictions.Merge(restrictions);
				if (cSharpArgumentInfo != null && cSharpArgumentInfo.LiteralConstant)
				{
					if (dynamicMetaObject.Value is double && double.IsNaN((double)dynamicMetaObject.Value))
					{
						MethodInfo method = s_DoubleIsNaN ?? (s_DoubleIsNaN = typeof(double).GetMethod("IsNaN"));
						Expression expression = Expression.Call(null, method, dynamicMetaObject.Expression);
						bindingRestrictions = bindingRestrictions.Merge(BindingRestrictions.GetExpressionRestriction(expression));
					}
					else if (dynamicMetaObject.Value is float && float.IsNaN((float)dynamicMetaObject.Value))
					{
						MethodInfo method2 = s_SingleIsNaN ?? (s_SingleIsNaN = typeof(float).GetMethod("IsNaN"));
						Expression expression2 = Expression.Call(null, method2, dynamicMetaObject.Expression);
						bindingRestrictions = bindingRestrictions.Merge(BindingRestrictions.GetExpressionRestriction(expression2));
					}
					else
					{
						Expression expression3 = Expression.Equal(dynamicMetaObject.Expression, Expression.Constant(dynamicMetaObject.Value, dynamicMetaObject.Expression.Type));
						restrictions = BindingRestrictions.GetExpressionRestriction(expression3);
						bindingRestrictions = bindingRestrictions.Merge(restrictions);
					}
				}
			}
			try
			{
				Expression expression4 = binder.Bind(action, array, args, out var deferredBinding);
				if (deferredBinding != null)
				{
					expression4 = ConvertResult(deferredBinding.Expression, action);
					bindingRestrictions = deferredBinding.Restrictions.Merge(bindingRestrictions);
					return new DynamicMetaObject(expression4, bindingRestrictions);
				}
				if (parameterExpression != null)
				{
					DynamicMetaObject dynamicMetaObject2 = args[0];
					expression4 = Expression.Block(new ParameterExpression[1] { parameterExpression }, Expression.Assign(parameterExpression, Expression.Convert(dynamicMetaObject2.Expression, dynamicMetaObject2.Value.GetType())), expression4, Expression.Assign(dynamicMetaObject2.Expression, Expression.Convert(parameterExpression, dynamicMetaObject2.Expression.Type)));
				}
				expression4 = ConvertResult(expression4, action);
				return new DynamicMetaObject(expression4, bindingRestrictions);
			}
			catch (RuntimeBinderException ex)
			{
				if (onBindingError != null)
				{
					return onBindingError;
				}
				return new DynamicMetaObject(Expression.Throw(Expression.New(typeof(RuntimeBinderException).GetConstructor(new Type[1] { typeof(string) }), Expression.Constant(ex.Message)), GetTypeForErrorMetaObject(action, args)), bindingRestrictions);
			}
		}

		public static void ValidateBindArgument(DynamicMetaObject argument, string paramName)
		{
			if (argument == null)
			{
				throw Error.ArgumentNull(paramName);
			}
			if (!argument.HasValue)
			{
				throw Error.DynamicArgumentNeedsValue(paramName);
			}
		}

		public static void ValidateBindArgument(DynamicMetaObject[] arguments, string paramName)
		{
			if (arguments != null)
			{
				for (int i = 0; i != arguments.Length; i++)
				{
					ValidateBindArgument(arguments[i], $"{paramName}[{i}]");
				}
			}
		}

		private static bool IsTypeOfStaticCall(int parameterIndex, ICSharpInvokeOrInvokeMemberBinder callPayload)
		{
			if (parameterIndex == 0 && callPayload != null)
			{
				return callPayload.StaticCall;
			}
			return false;
		}

		private static bool IsComObject(object obj)
		{
			if (obj != null)
			{
				return Marshal.IsComObject(obj);
			}
			return false;
		}

		private static bool IsTransparentProxy(object obj)
		{
			return false;
		}

		private static bool IsDynamicallyTypedRuntimeProxy(DynamicMetaObject argument, CSharpArgumentInfo info)
		{
			return info != null && !info.UseCompileTimeType && (IsComObject(argument.Value) || IsTransparentProxy(argument.Value));
		}

		private static BindingRestrictions DeduceArgumentRestriction(int parameterIndex, ICSharpInvokeOrInvokeMemberBinder callPayload, DynamicMetaObject argument, CSharpArgumentInfo info)
		{
			if (argument.Value != null && !IsTypeOfStaticCall(parameterIndex, callPayload) && !IsDynamicallyTypedRuntimeProxy(argument, info))
			{
				return BindingRestrictions.GetTypeRestriction(argument.Expression, argument.RuntimeType);
			}
			return BindingRestrictions.GetInstanceRestriction(argument.Expression, argument.Value);
		}

		private static Expression ConvertResult(Expression binding, ICSharpBinder action)
		{
			if (action is CSharpInvokeConstructorBinder)
			{
				return binding;
			}
			if (binding.Type == typeof(void))
			{
				if (action is ICSharpInvokeOrInvokeMemberBinder iCSharpInvokeOrInvokeMemberBinder && iCSharpInvokeOrInvokeMemberBinder.ResultDiscarded)
				{
					return Expression.Block(binding, Expression.Default(action.ReturnType));
				}
				throw Error.BindToVoidMethodButExpectResult();
			}
			if (binding.Type.IsValueType && !action.ReturnType.IsValueType)
			{
				return Expression.Convert(binding, action.ReturnType);
			}
			return binding;
		}

		private static Type GetTypeForErrorMetaObject(ICSharpBinder action, DynamicMetaObject[] args)
		{
			if (action is CSharpInvokeConstructorBinder)
			{
				return args[0].Value as Type;
			}
			return action.ReturnType;
		}

		private static bool IsIncrementOrDecrementActionOnLocal(ICSharpBinder action)
		{
			if (action is CSharpUnaryOperationBinder cSharpUnaryOperationBinder)
			{
				if (cSharpUnaryOperationBinder.Operation != ExpressionType.Increment)
				{
					return cSharpUnaryOperationBinder.Operation == ExpressionType.Decrement;
				}
				return true;
			}
			return false;
		}

		internal static T[] Cons<T>(T sourceHead, T[] sourceTail)
		{
			if (sourceTail == null || sourceTail.Length != 0)
			{
				T[] array = new T[sourceTail.Length + 1];
				array[0] = sourceHead;
				sourceTail.CopyTo(array, 1);
				return array;
			}
			return new T[1] { sourceHead };
		}

		internal static T[] Cons<T>(T sourceHead, T[] sourceMiddle, T sourceLast)
		{
			if (sourceMiddle == null || sourceMiddle.Length != 0)
			{
				T[] array = new T[sourceMiddle.Length + 2];
				array[0] = sourceHead;
				array[^1] = sourceLast;
				sourceMiddle.CopyTo(array, 1);
				return array;
			}
			return new T[2] { sourceHead, sourceLast };
		}

		internal static T[] ToArray<T>(IEnumerable<T> source)
		{
			if (source != null)
			{
				return source.ToArray();
			}
			return Array.Empty<T>();
		}

		internal static CallInfo CreateCallInfo(ref IEnumerable<CSharpArgumentInfo> argInfos, int discard)
		{
			int num = 0;
			List<string> list = new List<string>();
			CSharpArgumentInfo[] array = (CSharpArgumentInfo[])(argInfos = ToArray(argInfos));
			foreach (CSharpArgumentInfo cSharpArgumentInfo in array)
			{
				if (cSharpArgumentInfo.NamedArgument)
				{
					list.Add(cSharpArgumentInfo.Name);
				}
				num++;
			}
			return new CallInfo(num - discard, list);
		}

		internal static string GetCLROperatorName(this ExpressionType p)
		{
			return p switch
			{
				ExpressionType.Add => "op_Addition", 
				ExpressionType.Subtract => "op_Subtraction", 
				ExpressionType.Multiply => "op_Multiply", 
				ExpressionType.Divide => "op_Division", 
				ExpressionType.Modulo => "op_Modulus", 
				ExpressionType.LeftShift => "op_LeftShift", 
				ExpressionType.RightShift => "op_RightShift", 
				ExpressionType.LessThan => "op_LessThan", 
				ExpressionType.GreaterThan => "op_GreaterThan", 
				ExpressionType.LessThanOrEqual => "op_LessThanOrEqual", 
				ExpressionType.GreaterThanOrEqual => "op_GreaterThanOrEqual", 
				ExpressionType.Equal => "op_Equality", 
				ExpressionType.NotEqual => "op_Inequality", 
				ExpressionType.And => "op_BitwiseAnd", 
				ExpressionType.ExclusiveOr => "op_ExclusiveOr", 
				ExpressionType.Or => "op_BitwiseOr", 
				ExpressionType.AddAssign => "op_Addition", 
				ExpressionType.SubtractAssign => "op_Subtraction", 
				ExpressionType.MultiplyAssign => "op_Multiply", 
				ExpressionType.DivideAssign => "op_Division", 
				ExpressionType.ModuloAssign => "op_Modulus", 
				ExpressionType.AndAssign => "op_BitwiseAnd", 
				ExpressionType.ExclusiveOrAssign => "op_ExclusiveOr", 
				ExpressionType.OrAssign => "op_BitwiseOr", 
				ExpressionType.LeftShiftAssign => "op_LeftShift", 
				ExpressionType.RightShiftAssign => "op_RightShift", 
				ExpressionType.Negate => "op_UnaryNegation", 
				ExpressionType.UnaryPlus => "op_UnaryPlus", 
				ExpressionType.Not => "op_LogicalNot", 
				ExpressionType.OnesComplement => "op_OnesComplement", 
				ExpressionType.IsTrue => "op_True", 
				ExpressionType.IsFalse => "op_False", 
				ExpressionType.Increment => "op_Increment", 
				ExpressionType.Decrement => "op_Decrement", 
				_ => null, 
			};
		}

		internal static int AddArgHashes(int hash, Type[] typeArguments, CSharpArgumentInfo[] argInfos)
		{
			foreach (Type type in typeArguments)
			{
				hash = HashHelpers.Combine(hash, type.GetHashCode());
			}
			return AddArgHashes(hash, argInfos);
		}

		internal static int AddArgHashes(int hash, CSharpArgumentInfo[] argInfos)
		{
			foreach (CSharpArgumentInfo cSharpArgumentInfo in argInfos)
			{
				hash = HashHelpers.Combine(hash, (int)cSharpArgumentInfo.Flags);
				string name = cSharpArgumentInfo.Name;
				if (!string.IsNullOrEmpty(name))
				{
					hash = HashHelpers.Combine(hash, name.GetHashCode());
				}
			}
			return hash;
		}

		internal static bool CompareArgInfos(Type[] typeArgs, Type[] otherTypeArgs, CSharpArgumentInfo[] argInfos, CSharpArgumentInfo[] otherArgInfos)
		{
			for (int i = 0; i < typeArgs.Length; i++)
			{
				if (typeArgs[i] != otherTypeArgs[i])
				{
					return false;
				}
			}
			return CompareArgInfos(argInfos, otherArgInfos);
		}

		internal static bool CompareArgInfos(CSharpArgumentInfo[] argInfos, CSharpArgumentInfo[] otherArgInfos)
		{
			for (int i = 0; i < argInfos.Length; i++)
			{
				CSharpArgumentInfo cSharpArgumentInfo = argInfos[i];
				CSharpArgumentInfo cSharpArgumentInfo2 = otherArgInfos[i];
				if (cSharpArgumentInfo.Flags != cSharpArgumentInfo2.Flags || cSharpArgumentInfo.Name != cSharpArgumentInfo2.Name)
				{
					return false;
				}
			}
			return true;
		}
	}
	[EditorBrowsable(EditorBrowsableState.Never)]
	public sealed class CSharpArgumentInfo
	{
		internal static readonly CSharpArgumentInfo None = new CSharpArgumentInfo(CSharpArgumentInfoFlags.None, null);

		internal CSharpArgumentInfoFlags Flags { get; }

		internal string Name { get; }

		internal bool UseCompileTimeType => (Flags & CSharpArgumentInfoFlags.UseCompileTimeType) != 0;

		internal bool LiteralConstant => (Flags & CSharpArgumentInfoFlags.Constant) != 0;

		internal bool NamedArgument => (Flags & CSharpArgumentInfoFlags.NamedArgument) != 0;

		internal bool IsByRefOrOut => (Flags & (CSharpArgumentInfoFlags.IsRef | CSharpArgumentInfoFlags.IsOut)) != 0;

		internal bool IsOut => (Flags & CSharpArgumentInfoFlags.IsOut) != 0;

		internal bool IsStaticType => (Flags & CSharpArgumentInfoFlags.IsStaticType) != 0;

		private CSharpArgumentInfo(CSharpArgumentInfoFlags flags, string name)
		{
			Flags = flags;
			Name = name;
		}

		public static CSharpArgumentInfo Create(CSharpArgumentInfoFlags flags, string name)
		{
			return new CSharpArgumentInfo(flags, name);
		}
	}
	[EditorBrowsable(EditorBrowsableState.Never)]
	[Flags]
	public enum CSharpArgumentInfoFlags
	{
		None = 0,
		UseCompileTimeType = 1,
		Constant = 2,
		NamedArgument = 4,
		IsRef = 8,
		IsOut = 0x10,
		IsStaticType = 0x20
	}
	internal sealed class CSharpBinaryOperationBinder : BinaryOperationBinder, ICSharpBinder
	{
		private readonly CSharpBinaryOperationFlags _binopFlags;

		private readonly CSharpArgumentInfo[] _argumentInfo;

		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		[ExcludeFromCodeCoverage]
		public string Name => null;

		public BindingFlag BindingFlags => (BindingFlag)0;

		public bool IsBinderThatCanHaveRefReceiver => false;

		internal bool IsLogicalOperation => (_binopFlags & CSharpBinaryOperationFlags.LogicalOperation) != 0;

		private bool IsChecked => _binder.IsChecked;

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return runtimeBinder.BindBinaryOperation(this, arguments, locals);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			string cLROperatorName = base.Operation.GetCLROperatorName();
			SymbolTable.PopulateSymbolTableWithName(cLROperatorName, null, arguments[0].Type);
			SymbolTable.PopulateSymbolTableWithName(cLROperatorName, null, arguments[1].Type);
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return _argumentInfo[index];
		}

		public CSharpBinaryOperationBinder(ExpressionType operation, bool isChecked, CSharpBinaryOperationFlags binaryOperationFlags, Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
			: base(operation)
		{
			_binopFlags = binaryOperationFlags;
			_callingContext = callingContext;
			_argumentInfo = BinderHelper.ToArray(argumentInfo);
			_binder = new RuntimeBinder(callingContext, isChecked);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int h = _callingContext?.GetHashCode() ?? 0;
			h = HashHelpers.Combine(h, (int)_binopFlags);
			if (IsChecked)
			{
				h = HashHelpers.Combine(h, 1);
			}
			h = HashHelpers.Combine(h, (int)base.Operation);
			return BinderHelper.AddArgHashes(h, _argumentInfo);
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpBinaryOperationBinder cSharpBinaryOperationBinder))
			{
				return false;
			}
			if (_binopFlags != cSharpBinaryOperationBinder._binopFlags || base.Operation != cSharpBinaryOperationBinder.Operation || IsChecked != cSharpBinaryOperationBinder.IsChecked || _callingContext != cSharpBinaryOperationBinder._callingContext)
			{
				return false;
			}
			return BinderHelper.CompareArgInfos(_argumentInfo, cSharpBinaryOperationBinder._argumentInfo);
		}

		public override DynamicMetaObject FallbackBinaryOperation(DynamicMetaObject target, DynamicMetaObject arg, DynamicMetaObject errorSuggestion)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			BinderHelper.ValidateBindArgument(arg, "arg");
			return BinderHelper.Bind(this, _binder, new DynamicMetaObject[2] { target, arg }, _argumentInfo, errorSuggestion);
		}
	}
	[Flags]
	internal enum CSharpBinaryOperationFlags
	{
		None = 0,
		MemberAccess = 1,
		LogicalOperation = 2
	}
	[Flags]
	[EditorBrowsable(EditorBrowsableState.Never)]
	public enum CSharpBinderFlags
	{
		None = 0,
		CheckedContext = 1,
		InvokeSimpleName = 2,
		InvokeSpecialName = 4,
		BinaryOperationLogical = 8,
		ConvertExplicit = 0x10,
		ConvertArrayIndex = 0x20,
		ResultIndexed = 0x40,
		ValueFromCompoundAssignment = 0x80,
		ResultDiscarded = 0x100
	}
	[Flags]
	internal enum CSharpCallFlags
	{
		None = 0,
		SimpleNameCall = 1,
		EventHookup = 2,
		ResultDiscarded = 4
	}
	internal enum CSharpConversionKind
	{
		ImplicitConversion,
		ExplicitConversion,
		ArrayCreationConversion
	}
	internal sealed class CSharpConvertBinder : ConvertBinder, ICSharpBinder
	{
		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		[ExcludeFromCodeCoverage]
		public string Name => null;

		public BindingFlag BindingFlags => (BindingFlag)0;

		public bool IsBinderThatCanHaveRefReceiver => false;

		private CSharpConversionKind ConversionKind { get; }

		private bool IsChecked => _binder.IsChecked;

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			if (!base.Explicit)
			{
				return runtimeBinder.BindImplicitConversion(arguments, base.Type, locals, ConversionKind == CSharpConversionKind.ArrayCreationConversion);
			}
			return runtimeBinder.BindExplicitConversion(arguments, base.Type, locals);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return CSharpArgumentInfo.None;
		}

		public CSharpConvertBinder(Type type, CSharpConversionKind conversionKind, bool isChecked, Type callingContext)
			: base(type, conversionKind == CSharpConversionKind.ExplicitConversion)
		{
			ConversionKind = conversionKind;
			_callingContext = callingContext;
			_binder = new RuntimeBinder(callingContext, isChecked);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int h = _callingContext?.GetHashCode() ?? 0;
			h = HashHelpers.Combine(h, (int)ConversionKind);
			if (IsChecked)
			{
				h = HashHelpers.Combine(h, 1);
			}
			return HashHelpers.Combine(h, base.Type.GetHashCode());
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpConvertBinder cSharpConvertBinder))
			{
				return false;
			}
			if (ConversionKind != cSharpConvertBinder.ConversionKind || IsChecked != cSharpConvertBinder.IsChecked || _callingContext != cSharpConvertBinder._callingContext || base.Type != cSharpConvertBinder.Type)
			{
				return false;
			}
			return true;
		}

		public override DynamicMetaObject FallbackConvert(DynamicMetaObject target, DynamicMetaObject errorSuggestion)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			return BinderHelper.Bind(this, _binder, new DynamicMetaObject[1] { target }, null, errorSuggestion);
		}
	}
	internal sealed class CSharpGetIndexBinder : GetIndexBinder, ICSharpBinder
	{
		private readonly CSharpArgumentInfo[] _argumentInfo;

		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		public string Name => "$Item$";

		public BindingFlag BindingFlags => BindingFlag.BIND_RVALUEREQUIRED;

		public bool IsBinderThatCanHaveRefReceiver => true;

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			Expr optionalIndexerArguments = runtimeBinder.CreateArgumentListEXPR(arguments, locals, 1, arguments.Length);
			return runtimeBinder.BindProperty(this, arguments[0], locals[0], optionalIndexerArguments);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			SymbolTable.PopulateSymbolTableWithName("$Item$", null, arguments[0].Type);
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return _argumentInfo[index];
		}

		public CSharpGetIndexBinder(Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
			: base(BinderHelper.CreateCallInfo(ref argumentInfo, 1))
		{
			_argumentInfo = argumentInfo as CSharpArgumentInfo[];
			_callingContext = callingContext;
			_binder = new RuntimeBinder(callingContext);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int hash = _callingContext?.GetHashCode() ?? 0;
			return BinderHelper.AddArgHashes(hash, _argumentInfo);
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpGetIndexBinder cSharpGetIndexBinder))
			{
				return false;
			}
			if (_callingContext != cSharpGetIndexBinder._callingContext || _argumentInfo.Length != cSharpGetIndexBinder._argumentInfo.Length)
			{
				return false;
			}
			return BinderHelper.CompareArgInfos(_argumentInfo, cSharpGetIndexBinder._argumentInfo);
		}

		public override DynamicMetaObject FallbackGetIndex(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject errorSuggestion)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			BinderHelper.ValidateBindArgument(indexes, "indexes");
			return BinderHelper.Bind(this, _binder, BinderHelper.Cons(target, indexes), _argumentInfo, errorSuggestion);
		}
	}
	internal sealed class CSharpGetMemberBinder : GetMemberBinder, IInvokeOnGetBinder, ICSharpBinder
	{
		private readonly CSharpArgumentInfo[] _argumentInfo;

		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		public BindingFlag BindingFlags => BindingFlag.BIND_RVALUEREQUIRED;

		public bool IsBinderThatCanHaveRefReceiver => false;

		bool IInvokeOnGetBinder.InvokeOnGet => !ResultIndexed;

		private bool ResultIndexed { get; }

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return runtimeBinder.BindProperty(this, arguments[0], locals[0], null);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			SymbolTable.PopulateSymbolTableWithName(base.Name, null, arguments[0].Type);
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return _argumentInfo[index];
		}

		public CSharpGetMemberBinder(string name, bool resultIndexed, Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
			: base(name, ignoreCase: false)
		{
			ResultIndexed = resultIndexed;
			_argumentInfo = BinderHelper.ToArray(argumentInfo);
			_callingContext = callingContext;
			_binder = new RuntimeBinder(callingContext);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int h = _callingContext?.GetHashCode() ?? 0;
			if (ResultIndexed)
			{
				h = HashHelpers.Combine(h, 1);
			}
			h = HashHelpers.Combine(h, base.Name.GetHashCode());
			return BinderHelper.AddArgHashes(h, _argumentInfo);
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpGetMemberBinder cSharpGetMemberBinder))
			{
				return false;
			}
			if (base.Name != cSharpGetMemberBinder.Name || ResultIndexed != cSharpGetMemberBinder.ResultIndexed || _callingContext != cSharpGetMemberBinder._callingContext || _argumentInfo.Length != cSharpGetMemberBinder._argumentInfo.Length)
			{
				return false;
			}
			return BinderHelper.CompareArgInfos(_argumentInfo, cSharpGetMemberBinder._argumentInfo);
		}

		public override DynamicMetaObject FallbackGetMember(DynamicMetaObject target, DynamicMetaObject errorSuggestion)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			return BinderHelper.Bind(this, _binder, new DynamicMetaObject[1] { target }, _argumentInfo, errorSuggestion);
		}

		[SpecialName]
		string ICSharpBinder.get_Name()
		{
			return base.Name;
		}
	}
	internal sealed class CSharpInvokeBinder : InvokeBinder, ICSharpInvokeOrInvokeMemberBinder, ICSharpBinder
	{
		private readonly CSharpCallFlags _flags;

		private readonly CSharpArgumentInfo[] _argumentInfo;

		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		public BindingFlag BindingFlags => (BindingFlag)0;

		public bool IsBinderThatCanHaveRefReceiver => true;

		bool ICSharpInvokeOrInvokeMemberBinder.StaticCall
		{
			get
			{
				if (_argumentInfo[0] != null)
				{
					return _argumentInfo[0].IsStaticType;
				}
				return false;
			}
		}

		string ICSharpBinder.Name => "Invoke";

		Type[] ICSharpInvokeOrInvokeMemberBinder.TypeArguments => Array.Empty<Type>();

		CSharpCallFlags ICSharpInvokeOrInvokeMemberBinder.Flags => _flags;

		bool ICSharpInvokeOrInvokeMemberBinder.ResultDiscarded => (_flags & CSharpCallFlags.ResultDiscarded) != 0;

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return runtimeBinder.DispatchPayload(this, arguments, locals);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			RuntimeBinder.PopulateSymbolTableWithPayloadInformation(this, callingType, arguments);
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return _argumentInfo[index];
		}

		public CSharpInvokeBinder(CSharpCallFlags flags, Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
			: base(BinderHelper.CreateCallInfo(ref argumentInfo, 1))
		{
			_flags = flags;
			_callingContext = callingContext;
			_argumentInfo = argumentInfo as CSharpArgumentInfo[];
			_binder = new RuntimeBinder(callingContext);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int h = _callingContext?.GetHashCode() ?? 0;
			h = HashHelpers.Combine(h, (int)_flags);
			return BinderHelper.AddArgHashes(h, _argumentInfo);
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpInvokeBinder cSharpInvokeBinder))
			{
				return false;
			}
			if (_flags != cSharpInvokeBinder._flags || _callingContext != cSharpInvokeBinder._callingContext || _argumentInfo.Length != cSharpInvokeBinder._argumentInfo.Length)
			{
				return false;
			}
			return BinderHelper.CompareArgInfos(_argumentInfo, cSharpInvokeBinder._argumentInfo);
		}

		public override DynamicMetaObject FallbackInvoke(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			BinderHelper.ValidateBindArgument(args, "args");
			return BinderHelper.Bind(this, _binder, BinderHelper.Cons(target, args), _argumentInfo, errorSuggestion);
		}
	}
	internal sealed class CSharpInvokeConstructorBinder : DynamicMetaObjectBinder, ICSharpInvokeOrInvokeMemberBinder, ICSharpBinder
	{
		private readonly CSharpArgumentInfo[] _argumentInfo;

		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		public BindingFlag BindingFlags => (BindingFlag)0;

		public bool IsBinderThatCanHaveRefReceiver => true;

		public CSharpCallFlags Flags { get; }

		public bool StaticCall => true;

		public Type[] TypeArguments => Array.Empty<Type>();

		public string Name => ".ctor";

		bool ICSharpInvokeOrInvokeMemberBinder.ResultDiscarded => false;

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return runtimeBinder.DispatchPayload(this, arguments, locals);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			RuntimeBinder.PopulateSymbolTableWithPayloadInformation(this, callingType, arguments);
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return _argumentInfo[index];
		}

		public CSharpInvokeConstructorBinder(CSharpCallFlags flags, Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
		{
			Flags = flags;
			_callingContext = callingContext;
			_argumentInfo = BinderHelper.ToArray(argumentInfo);
			_binder = new RuntimeBinder(callingContext);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int h = _callingContext?.GetHashCode() ?? 0;
			h = HashHelpers.Combine(h, (int)Flags);
			h = HashHelpers.Combine(h, Name.GetHashCode());
			return BinderHelper.AddArgHashes(h, TypeArguments, _argumentInfo);
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpInvokeConstructorBinder cSharpInvokeConstructorBinder))
			{
				return false;
			}
			if (Flags != cSharpInvokeConstructorBinder.Flags || _callingContext != cSharpInvokeConstructorBinder._callingContext || Name != cSharpInvokeConstructorBinder.Name || TypeArguments.Length != cSharpInvokeConstructorBinder.TypeArguments.Length || _argumentInfo.Length != cSharpInvokeConstructorBinder._argumentInfo.Length)
			{
				return false;
			}
			return BinderHelper.CompareArgInfos(TypeArguments, cSharpInvokeConstructorBinder.TypeArguments, _argumentInfo, cSharpInvokeConstructorBinder._argumentInfo);
		}

		public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			BinderHelper.ValidateBindArgument(args, "args");
			return BinderHelper.Bind(this, _binder, BinderHelper.Cons(target, args), _argumentInfo, null);
		}
	}
	internal sealed class CSharpInvokeMemberBinder : InvokeMemberBinder, ICSharpInvokeOrInvokeMemberBinder, ICSharpBinder
	{
		private readonly CSharpArgumentInfo[] _argumentInfo;

		private readonly RuntimeBinder _binder;

		public BindingFlag BindingFlags => (BindingFlag)0;

		public bool IsBinderThatCanHaveRefReceiver => true;

		bool ICSharpInvokeOrInvokeMemberBinder.StaticCall => _argumentInfo[0]?.IsStaticType ?? false;

		public CSharpCallFlags Flags { get; }

		public Type CallingContext { get; }

		public Type[] TypeArguments { get; }

		bool ICSharpInvokeOrInvokeMemberBinder.ResultDiscarded => (Flags & CSharpCallFlags.ResultDiscarded) != 0;

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return runtimeBinder.DispatchPayload(this, arguments, locals);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			RuntimeBinder.PopulateSymbolTableWithPayloadInformation(this, callingType, arguments);
		}

		public CSharpArgumentInfo GetArgumentInfo(int index)
		{
			return _argumentInfo[index];
		}

		public CSharpArgumentInfo[] ArgumentInfoArray()
		{
			CSharpArgumentInfo[] array = new CSharpArgumentInfo[_argumentInfo.Length];
			_argumentInfo.CopyTo(array, 0);
			return array;
		}

		public CSharpInvokeMemberBinder(CSharpCallFlags flags, string name, Type callingContext, IEnumerable<Type> typeArguments, IEnumerable<CSharpArgumentInfo> argumentInfo)
			: base(name, ignoreCase: false, BinderHelper.CreateCallInfo(ref argumentInfo, 1))
		{
			Flags = flags;
			CallingContext = callingContext;
			TypeArguments = BinderHelper.ToArray(typeArguments);
			_argumentInfo = BinderHelper.ToArray(argumentInfo);
			_binder = new RuntimeBinder(callingContext);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int h = CallingContext?.GetHashCode() ?? 0;
			h = HashHelpers.Combine(h, (int)Flags);
			h = HashHelpers.Combine(h, base.Name.GetHashCode());
			return BinderHelper.AddArgHashes(h, TypeArguments, _argumentInfo);
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpInvokeMemberBinder cSharpInvokeMemberBinder))
			{
				return false;
			}
			if (Flags != cSharpInvokeMemberBinder.Flags || CallingContext != cSharpInvokeMemberBinder.CallingContext || base.Name != cSharpInvokeMemberBinder.Name || TypeArguments.Length != cSharpInvokeMemberBinder.TypeArguments.Length || _argumentInfo.Length != cSharpInvokeMemberBinder._argumentInfo.Length)
			{
				return false;
			}
			return BinderHelper.CompareArgInfos(TypeArguments, cSharpInvokeMemberBinder.TypeArguments, _argumentInfo, cSharpInvokeMemberBinder._argumentInfo);
		}

		public override DynamicMetaObject FallbackInvokeMember(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			BinderHelper.ValidateBindArgument(args, "args");
			return BinderHelper.Bind(this, _binder, BinderHelper.Cons(target, args), _argumentInfo, errorSuggestion);
		}

		public override DynamicMetaObject FallbackInvoke(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
		{
			CSharpInvokeBinder cSharpInvokeBinder = new CSharpInvokeBinder(Flags, CallingContext, _argumentInfo).TryGetExisting();
			return cSharpInvokeBinder.Defer(target, args);
		}

		[SpecialName]
		string ICSharpBinder.get_Name()
		{
			return base.Name;
		}
	}
	internal sealed class CSharpIsEventBinder : DynamicMetaObjectBinder, ICSharpBinder
	{
		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		public BindingFlag BindingFlags => (BindingFlag)0;

		public bool IsBinderThatCanHaveRefReceiver => false;

		public string Name { get; }

		public override Type ReturnType => typeof(bool);

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return runtimeBinder.BindIsEvent(this, arguments, locals);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			SymbolTable.PopulateSymbolTableWithName(Name, null, arguments[0].Info.IsStaticType ? (arguments[0].Value as Type) : arguments[0].Type);
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return CSharpArgumentInfo.None;
		}

		public CSharpIsEventBinder(string name, Type callingContext)
		{
			Name = name;
			_callingContext = callingContext;
			_binder = new RuntimeBinder(callingContext);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int h = _callingContext?.GetHashCode() ?? 0;
			return HashHelpers.Combine(h, Name.GetHashCode());
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpIsEventBinder cSharpIsEventBinder))
			{
				return false;
			}
			if (_callingContext != cSharpIsEventBinder._callingContext || Name != cSharpIsEventBinder.Name)
			{
				return false;
			}
			return true;
		}

		public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			return BinderHelper.Bind(this, _binder, new DynamicMetaObject[1] { target }, null, null);
		}
	}
	internal sealed class CSharpSetIndexBinder : SetIndexBinder, ICSharpBinder
	{
		private readonly CSharpArgumentInfo[] _argumentInfo;

		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		public string Name => "$Item$";

		public BindingFlag BindingFlags => (BindingFlag)0;

		public bool IsBinderThatCanHaveRefReceiver => true;

		internal bool IsCompoundAssignment { get; }

		private bool IsChecked => _binder.IsChecked;

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return runtimeBinder.BindAssignment(this, arguments, locals);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			SymbolTable.PopulateSymbolTableWithName("$Item$", null, arguments[0].Type);
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return _argumentInfo[index];
		}

		public CSharpSetIndexBinder(bool isCompoundAssignment, bool isChecked, Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
			: base(BinderHelper.CreateCallInfo(ref argumentInfo, 2))
		{
			IsCompoundAssignment = isCompoundAssignment;
			_argumentInfo = argumentInfo as CSharpArgumentInfo[];
			_callingContext = callingContext;
			_binder = new RuntimeBinder(callingContext, isChecked);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int num = _callingContext?.GetHashCode() ?? 0;
			if (IsChecked)
			{
				num = HashHelpers.Combine(num, 1);
			}
			if (IsCompoundAssignment)
			{
				num = HashHelpers.Combine(num, 1);
			}
			return BinderHelper.AddArgHashes(num, _argumentInfo);
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpSetIndexBinder cSharpSetIndexBinder))
			{
				return false;
			}
			if (_callingContext != cSharpSetIndexBinder._callingContext || IsChecked != cSharpSetIndexBinder.IsChecked || IsCompoundAssignment != cSharpSetIndexBinder.IsCompoundAssignment || _argumentInfo.Length != cSharpSetIndexBinder._argumentInfo.Length)
			{
				return false;
			}
			return BinderHelper.CompareArgInfos(_argumentInfo, cSharpSetIndexBinder._argumentInfo);
		}

		public override DynamicMetaObject FallbackSetIndex(DynamicMetaObject target, DynamicMetaObject[] indexes, DynamicMetaObject value, DynamicMetaObject errorSuggestion)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			BinderHelper.ValidateBindArgument(indexes, "indexes");
			BinderHelper.ValidateBindArgument(value, "value");
			return BinderHelper.Bind(this, _binder, BinderHelper.Cons(target, indexes, value), _argumentInfo, errorSuggestion);
		}
	}
	internal sealed class CSharpSetMemberBinder : SetMemberBinder, ICSharpBinder
	{
		private readonly CSharpArgumentInfo[] _argumentInfo;

		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		public BindingFlag BindingFlags => (BindingFlag)0;

		public bool IsBinderThatCanHaveRefReceiver => false;

		internal bool IsCompoundAssignment { get; }

		private bool IsChecked => _binder.IsChecked;

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return runtimeBinder.BindAssignment(this, arguments, locals);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			SymbolTable.PopulateSymbolTableWithName(base.Name, null, arguments[0].Type);
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return _argumentInfo[index];
		}

		public CSharpSetMemberBinder(string name, bool isCompoundAssignment, bool isChecked, Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
			: base(name, ignoreCase: false)
		{
			IsCompoundAssignment = isCompoundAssignment;
			_argumentInfo = BinderHelper.ToArray(argumentInfo);
			_callingContext = callingContext;
			_binder = new RuntimeBinder(callingContext, isChecked);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int h = _callingContext?.GetHashCode() ?? 0;
			if (IsChecked)
			{
				h = HashHelpers.Combine(h, 1);
			}
			if (IsCompoundAssignment)
			{
				h = HashHelpers.Combine(h, 1);
			}
			h = HashHelpers.Combine(h, base.Name.GetHashCode());
			return BinderHelper.AddArgHashes(h, _argumentInfo);
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpSetMemberBinder cSharpSetMemberBinder))
			{
				return false;
			}
			if (base.Name != cSharpSetMemberBinder.Name || _callingContext != cSharpSetMemberBinder._callingContext || IsChecked != cSharpSetMemberBinder.IsChecked || IsCompoundAssignment != cSharpSetMemberBinder.IsCompoundAssignment || _argumentInfo.Length != cSharpSetMemberBinder._argumentInfo.Length)
			{
				return false;
			}
			return BinderHelper.CompareArgInfos(_argumentInfo, cSharpSetMemberBinder._argumentInfo);
		}

		public override DynamicMetaObject FallbackSetMember(DynamicMetaObject target, DynamicMetaObject value, DynamicMetaObject errorSuggestion)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			BinderHelper.ValidateBindArgument(value, "value");
			return BinderHelper.Bind(this, _binder, new DynamicMetaObject[2] { target, value }, _argumentInfo, errorSuggestion);
		}

		[SpecialName]
		string ICSharpBinder.get_Name()
		{
			return base.Name;
		}
	}
	internal sealed class CSharpUnaryOperationBinder : UnaryOperationBinder, ICSharpBinder
	{
		private readonly CSharpArgumentInfo[] _argumentInfo;

		private readonly RuntimeBinder _binder;

		private readonly Type _callingContext;

		[ExcludeFromCodeCoverage]
		public string Name => null;

		public BindingFlag BindingFlags => (BindingFlag)0;

		public bool IsBinderThatCanHaveRefReceiver => false;

		private bool IsChecked => _binder.IsChecked;

		public Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return runtimeBinder.BindUnaryOperation(this, arguments, locals);
		}

		public void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments)
		{
			SymbolTable.PopulateSymbolTableWithName(base.Operation.GetCLROperatorName(), null, arguments[0].Type);
		}

		CSharpArgumentInfo ICSharpBinder.GetArgumentInfo(int index)
		{
			return _argumentInfo[index];
		}

		public CSharpUnaryOperationBinder(ExpressionType operation, bool isChecked, Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
			: base(operation)
		{
			_argumentInfo = BinderHelper.ToArray(argumentInfo);
			_callingContext = callingContext;
			_binder = new RuntimeBinder(callingContext, isChecked);
		}

		public int GetGetBinderEquivalenceHash()
		{
			int h = _callingContext?.GetHashCode() ?? 0;
			h = HashHelpers.Combine(h, (int)base.Operation);
			if (IsChecked)
			{
				h = HashHelpers.Combine(h, 1);
			}
			return BinderHelper.AddArgHashes(h, _argumentInfo);
		}

		public bool IsEquivalentTo(ICSharpBinder other)
		{
			if (!(other is CSharpUnaryOperationBinder cSharpUnaryOperationBinder))
			{
				return false;
			}
			if (base.Operation != cSharpUnaryOperationBinder.Operation || IsChecked != cSharpUnaryOperationBinder.IsChecked || _callingContext != cSharpUnaryOperationBinder._callingContext)
			{
				return false;
			}
			return BinderHelper.CompareArgInfos(_argumentInfo, cSharpUnaryOperationBinder._argumentInfo);
		}

		public override DynamicMetaObject FallbackUnaryOperation(DynamicMetaObject target, DynamicMetaObject errorSuggestion)
		{
			BinderHelper.ValidateBindArgument(target, "target");
			return BinderHelper.Bind(this, _binder, new DynamicMetaObject[1] { target }, _argumentInfo, errorSuggestion);
		}
	}
	[Serializable]
	[EditorBrowsable(EditorBrowsableState.Never)]
	internal sealed class DynamicBindingFailedException : Exception
	{
		public DynamicBindingFailedException()
		{
		}

		private DynamicBindingFailedException(SerializationInfo info, StreamingContext context)
			: base(info, context)
		{
		}
	}
	internal sealed class GetMemberValueBinder : GetMemberBinder
	{
		public GetMemberValueBinder(string name, bool ignoreCase)
			: base(name, ignoreCase)
		{
		}

		public override DynamicMetaObject FallbackGetMember(DynamicMetaObject self, DynamicMetaObject onBindingError)
		{
			if (onBindingError == null)
			{
				List<DynamicMetaObject> contributingObjects = new List<DynamicMetaObject> { self };
				return new DynamicMetaObject(Expression.Throw(Expression.Constant(new DynamicBindingFailedException(), typeof(Exception)), typeof(object)), BindingRestrictions.Combine(contributingObjects));
			}
			return onBindingError;
		}
	}
	internal sealed class DynamicMetaObjectProviderDebugView
	{
		[DebuggerDisplay("{value}", Name = "{name, nq}", Type = "{type, nq}")]
		internal class DynamicProperty
		{
			[DebuggerBrowsable(DebuggerBrowsableState.Never)]
			private readonly string name;

			[DebuggerBrowsable(DebuggerBrowsableState.Never)]
			private readonly object value;

			[DebuggerBrowsable(DebuggerBrowsableState.Never)]
			private readonly string type;

			public DynamicProperty(string name, object value)
			{
				this.name = name;
				this.value = value;
				type = ((value == null) ? "<null>" : value.GetType().ToString());
			}
		}

		[Serializable]
		internal class DynamicDebugViewEmptyException : Exception
		{
			public string Empty => System.SR.EmptyDynamicView;

			public DynamicDebugViewEmptyException()
			{
			}

			protected DynamicDebugViewEmptyException(SerializationInfo info, StreamingContext context)
				: base(info, context)
			{
			}
		}

		[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		private IList<KeyValuePair<string, object>> results;

		[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		private object obj;

		[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		private static readonly ParameterExpression parameter = Expression.Parameter(typeof(object), "debug");

		[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
		internal DynamicProperty[] Items
		{
			get
			{
				if (results == null || results.Count == 0)
				{
					results = QueryDynamicObject(obj);
					if (results == null || results.Count == 0)
					{
						throw new DynamicDebugViewEmptyException();
					}
				}
				DynamicProperty[] array = new DynamicProperty[results.Count];
				for (int i = 0; i < results.Count; i++)
				{
					array[i] = new DynamicProperty(results[i].Key, results[i].Value);
				}
				return array;
			}
		}

		public DynamicMetaObjectProviderDebugView(object arg)
		{
			obj = arg;
		}

		public static object TryEvalBinaryOperators<T1, T2>(T1 arg1, T2 arg2, CSharpArgumentInfoFlags arg1Flags, CSharpArgumentInfoFlags arg2Flags, ExpressionType opKind, Type accessibilityContext)
		{
			CSharpArgumentInfo cSharpArgumentInfo = CSharpArgumentInfo.Create(arg1Flags, null);
			CSharpArgumentInfo cSharpArgumentInfo2 = CSharpArgumentInfo.Create(arg2Flags, null);
			CSharpBinaryOperationBinder binder = new CSharpBinaryOperationBinder(opKind, isChecked: false, CSharpBinaryOperationFlags.None, accessibilityContext, new CSharpArgumentInfo[2] { cSharpArgumentInfo, cSharpArgumentInfo2 });
			CallSite<Func<CallSite, T1, T2, object>> callSite = CallSite<Func<CallSite, T1, T2, object>>.Create(binder);
			return callSite.Target(callSite, arg1, arg2);
		}

		public static object TryEvalUnaryOperators<T>(T obj, ExpressionType oper, Type accessibilityContext)
		{
			if (oper == ExpressionType.IsTrue || oper == ExpressionType.IsFalse)
			{
				CallSite<Func<CallSite, T, bool>> callSite = CallSite<Func<CallSite, T, bool>>.Create(new CSharpUnaryOperationBinder(oper, isChecked: false, accessibilityContext, new CSharpArgumentInfo[1] { CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null) }));
				return callSite.Target(callSite, obj);
			}
			CallSite<Func<CallSite, T, object>> callSite2 = CallSite<Func<CallSite, T, object>>.Create(new CSharpUnaryOperationBinder(oper, isChecked: false, accessibilityContext, new CSharpArgumentInfo[1] { CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null) }));
			return callSite2.Target(callSite2, obj);
		}

		public static K TryEvalCast<T, K>(T obj, Type type, CSharpBinderFlags kind, Type accessibilityContext)
		{
			CallSite<Func<CallSite, T, K>> callSite = CallSite<Func<CallSite, T, K>>.Create(Binder.Convert(kind, type, accessibilityContext));
			return callSite.Target(callSite, obj);
		}

		private static void CreateDelegateSignatureAndArgumentInfos(object[] args, Type[] argTypes, CSharpArgumentInfoFlags[] argFlags, out Type[] delegateSignatureTypes, out CSharpArgumentInfo[] argInfos)
		{
			int num = args.Length;
			delegateSignatureTypes = new Type[num + 2];
			delegateSignatureTypes[0] = typeof(CallSite);
			argInfos = new CSharpArgumentInfo[num];
			for (int i = 0; i < num; i++)
			{
				if (argTypes[i] != null)
				{
					delegateSignatureTypes[i + 1] = argTypes[i];
				}
				else if (args[i] != null)
				{
					delegateSignatureTypes[i + 1] = args[i].GetType();
				}
				else
				{
					delegateSignatureTypes[i + 1] = typeof(object);
				}
				argInfos[i] = CSharpArgumentInfo.Create(argFlags[i], null);
			}
			delegateSignatureTypes[num + 1] = typeof(object);
		}

		private static object CreateDelegateAndInvoke(Type[] delegateSignatureTypes, CallSiteBinder binder, object[] args)
		{
			Type delegateType = Expression.GetDelegateType(delegateSignatureTypes);
			CallSite callSite = CallSite.Create(delegateType, binder);
			Delegate @delegate = (Delegate)callSite.GetType().GetField("Target").GetValue(callSite);
			object[] array = new object[args.Length + 1];
			array[0] = callSite;
			args.CopyTo(array, 1);
			return @delegate.DynamicInvoke(array);
		}

		public static object TryEvalMethodVarArgs(object[] methodArgs, Type[] argTypes, CSharpArgumentInfoFlags[] argFlags, string methodName, Type accessibilityContext, Type[] typeArguments)
		{
			Type[] delegateSignatureTypes = null;
			CSharpArgumentInfo[] argInfos = null;
			CreateDelegateSignatureAndArgumentInfos(methodArgs, argTypes, argFlags, out delegateSignatureTypes, out argInfos);
			return CreateDelegateAndInvoke(binder: (!string.IsNullOrEmpty(methodName)) ? ((CallSiteBinder)new CSharpInvokeMemberBinder(CSharpCallFlags.ResultDiscarded, methodName, accessibilityContext, typeArguments, argInfos)) : ((CallSiteBinder)new CSharpInvokeBinder(CSharpCallFlags.ResultDiscarded, accessibilityContext, argInfos)), delegateSignatureTypes: delegateSignatureTypes, args: methodArgs);
		}

		public static object TryGetMemberValue<T>(T obj, string propName, Type accessibilityContext, bool isResultIndexed)
		{
			CSharpGetMemberBinder binder = new CSharpGetMemberBinder(propName, isResultIndexed, accessibilityContext, new CSharpArgumentInfo[1] { CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null) });
			CallSite<Func<CallSite, T, object>> callSite = CallSite<Func<CallSite, T, object>>.Create(binder);
			return callSite.Target(callSite, obj);
		}

		public static object TryGetMemberValueVarArgs(object[] propArgs, Type[] argTypes, CSharpArgumentInfoFlags[] argFlags, Type accessibilityContext)
		{
			Type[] delegateSignatureTypes = null;
			CSharpArgumentInfo[] argInfos = null;
			CreateDelegateSignatureAndArgumentInfos(propArgs, argTypes, argFlags, out delegateSignatureTypes, out argInfos);
			CallSiteBinder binder = new CSharpGetIndexBinder(accessibilityContext, argInfos);
			return CreateDelegateAndInvoke(delegateSignatureTypes, binder, propArgs);
		}

		public static object TrySetMemberValue<TObject, TValue>(TObject obj, string propName, TValue value, CSharpArgumentInfoFlags valueFlags, Type accessibilityContext)
		{
			CSharpArgumentInfo cSharpArgumentInfo = CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null);
			CSharpArgumentInfo cSharpArgumentInfo2 = CSharpArgumentInfo.Create(valueFlags, null);
			CSharpSetMemberBinder binder = new CSharpSetMemberBinder(propName, isCompoundAssignment: false, isChecked: false, accessibilityContext, new CSharpArgumentInfo[2] { cSharpArgumentInfo, cSharpArgumentInfo2 });
			CallSite<Func<CallSite, TObject, TValue, object>> callSite = CallSite<Func<CallSite, TObject, TValue, object>>.Create(binder);
			return callSite.Target(callSite, obj, value);
		}

		public static object TrySetMemberValueVarArgs(object[] propArgs, Type[] argTypes, CSharpArgumentInfoFlags[] argFlags, Type accessibilityContext)
		{
			Type[] delegateSignatureTypes = null;
			CSharpArgumentInfo[] argInfos = null;
			CreateDelegateSignatureAndArgumentInfos(propArgs, argTypes, argFlags, out delegateSignatureTypes, out argInfos);
			CallSiteBinder binder = new CSharpSetIndexBinder(isCompoundAssignment: false, isChecked: false, accessibilityContext, argInfos);
			return CreateDelegateAndInvoke(delegateSignatureTypes, binder, propArgs);
		}

		internal static object TryGetMemberValue(object obj, string name, bool ignoreException)
		{
			bool ignoreCase = false;
			object obj2 = null;
			CallSite<Func<CallSite, object, object>> callSite = CallSite<Func<CallSite, object, object>>.Create(new GetMemberValueBinder(name, ignoreCase));
			try
			{
				return callSite.Target(callSite, obj);
			}
			catch (DynamicBindingFailedException ex)
			{
				if (ignoreException)
				{
					return null;
				}
				throw ex;
			}
			catch (MissingMemberException ex2)
			{
				if (ignoreException)
				{
					return System.SR.GetValueonWriteOnlyProperty;
				}
				throw ex2;
			}
		}

		private static IList<KeyValuePair<string, object>> QueryDynamicObject(object obj)
		{
			if (obj is IDynamicMetaObjectProvider dynamicMetaObjectProvider)
			{
				DynamicMetaObject metaObject = dynamicMetaObjectProvider.GetMetaObject(parameter);
				List<string> list = new List<string>(metaObject.GetDynamicMemberNames());
				list.Sort();
				if (list != null)
				{
					List<KeyValuePair<string, object>> list2 = new List<KeyValuePair<string, object>>();
					{
						foreach (string item in list)
						{
							object value;
							if ((value = TryGetMemberValue(obj, item, ignoreException: true)) != null)
							{
								list2.Add(new KeyValuePair<string, object>(item, value));
							}
						}
						return list2;
					}
				}
			}
			return new KeyValuePair<string, object>[0];
		}
	}
	internal static class Error
	{
		internal static Exception InternalCompilerError()
		{
			return new RuntimeBinderInternalCompilerException(System.SR.InternalCompilerError);
		}

		internal static Exception BindPropertyFailedMethodGroup(object p0)
		{
			return new RuntimeBinderException(System.SR.Format(System.SR.BindPropertyFailedMethodGroup, p0));
		}

		internal static Exception BindPropertyFailedEvent(object p0)
		{
			return new RuntimeBinderException(System.SR.Format(System.SR.BindPropertyFailedEvent, p0));
		}

		internal static Exception BindInvokeFailedNonDelegate()
		{
			return new RuntimeBinderException(System.SR.BindInvokeFailedNonDelegate);
		}

		internal static Exception BindStaticRequiresType(string paramName)
		{
			return new ArgumentException(System.SR.TypeArgumentRequiredForStaticCall, paramName);
		}

		internal static Exception NullReferenceOnMemberException()
		{
			return new RuntimeBinderException(System.SR.NullReferenceOnMemberException);
		}

		internal static Exception BindCallToConditionalMethod(object p0)
		{
			return new RuntimeBinderException(System.SR.Format(System.SR.BindCallToConditionalMethod, p0));
		}

		internal static Exception BindToVoidMethodButExpectResult()
		{
			return new RuntimeBinderException(System.SR.BindToVoidMethodButExpectResult);
		}

		internal static Exception ArgumentNull(string paramName)
		{
			return new ArgumentNullException(paramName);
		}

		internal static Exception DynamicArgumentNeedsValue(string paramName)
		{
			return new ArgumentException(System.SR.DynamicArgumentNeedsValue, paramName);
		}
	}
	internal sealed class ExpressionTreeCallRewriter : ExprVisitorBase
	{
		private sealed class ExpressionExpr : Expr
		{
			public readonly Expression Expression;

			public ExpressionExpr(Expression e)
				: base(ExpressionKind.NoOp)
			{
				Expression = e;
			}
		}

		private readonly Dictionary<ExprCall, Expression> _DictionaryOfParameters;

		private readonly Expression[] _ListOfParameters;

		private int _currentParameterIndex;

		private ExpressionTreeCallRewriter(Expression[] listOfParameters)
		{
			_DictionaryOfParameters = new Dictionary<ExprCall, Expression>();
			_ListOfParameters = listOfParameters;
		}

		public static Expression Rewrite(ExprBinOp binOp, Expression[] listOfParameters)
		{
			ExpressionTreeCallRewriter expressionTreeCallRewriter = new ExpressionTreeCallRewriter(listOfParameters);
			expressionTreeCallRewriter.Visit(binOp.OptionalLeftChild);
			ExprCall pExpr = (ExprCall)binOp.OptionalRightChild;
			ExpressionExpr expressionExpr = expressionTreeCallRewriter.Visit(pExpr) as ExpressionExpr;
			return expressionExpr.Expression;
		}

		protected override Expr VisitSAVE(ExprBinOp pExpr)
		{
			ExprCall key = (ExprCall)pExpr.OptionalLeftChild;
			Expression value = _ListOfParameters[_currentParameterIndex++];
			_DictionaryOfParameters.Add(key, value);
			return null;
		}

		protected override Expr VisitCALL(ExprCall pExpr)
		{
			if (pExpr.PredefinedMethod == PREDEFMETH.PM_COUNT)
			{
				return pExpr;
			}
			Expression e;
			switch (pExpr.PredefinedMethod)
			{
			case PREDEFMETH.PM_EXPRESSION_LAMBDA:
				return GenerateLambda(pExpr);
			case PREDEFMETH.PM_EXPRESSION_CALL:
				e = GenerateCall(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_ARRAYINDEX:
			case PREDEFMETH.PM_EXPRESSION_ARRAYINDEX2:
				e = GenerateArrayIndex(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_CONVERT:
			case PREDEFMETH.PM_EXPRESSION_CONVERT_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_CONVERTCHECKED:
			case PREDEFMETH.PM_EXPRESSION_CONVERTCHECKED_USER_DEFINED:
				e = GenerateConvert(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_PROPERTY:
				e = GenerateProperty(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_FIELD:
				e = GenerateField(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_INVOKE:
				e = GenerateInvoke(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_NEW:
				e = GenerateNew(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_ADD:
			case PREDEFMETH.PM_EXPRESSION_ADDCHECKED:
			case PREDEFMETH.PM_EXPRESSION_AND:
			case PREDEFMETH.PM_EXPRESSION_ANDALSO:
			case PREDEFMETH.PM_EXPRESSION_DIVIDE:
			case PREDEFMETH.PM_EXPRESSION_EQUAL:
			case PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR:
			case PREDEFMETH.PM_EXPRESSION_GREATERTHAN:
			case PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL:
			case PREDEFMETH.PM_EXPRESSION_LEFTSHIFT:
			case PREDEFMETH.PM_EXPRESSION_LESSTHAN:
			case PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL:
			case PREDEFMETH.PM_EXPRESSION_MODULO:
			case PREDEFMETH.PM_EXPRESSION_MULTIPLY:
			case PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED:
			case PREDEFMETH.PM_EXPRESSION_NOTEQUAL:
			case PREDEFMETH.PM_EXPRESSION_OR:
			case PREDEFMETH.PM_EXPRESSION_ORELSE:
			case PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT:
			case PREDEFMETH.PM_EXPRESSION_SUBTRACT:
			case PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED:
				e = GenerateBinaryOperator(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_ADD_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_ADDCHECKED_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_AND_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_ANDALSO_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_DIVIDE_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_EQUAL_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_GREATERTHAN_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_LEFTSHIFT_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_LESSTHAN_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_MODULO_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_MULTIPLY_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_NOTEQUAL_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_OR_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_ORELSE_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_SUBTRACT_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED_USER_DEFINED:
				e = GenerateUserDefinedBinaryOperator(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_NEGATE:
			case PREDEFMETH.PM_EXPRESSION_NEGATECHECKED:
			case PREDEFMETH.PM_EXPRESSION_NOT:
				e = GenerateUnaryOperator(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_UNARYPLUS_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_NEGATE_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_NEGATECHECKED_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_NOT_USER_DEFINED:
				e = GenerateUserDefinedUnaryOperator(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_CONSTANT_OBJECT_TYPE:
				e = GenerateConstantType(pExpr);
				break;
			case PREDEFMETH.PM_EXPRESSION_ASSIGN:
				e = GenerateAssignment(pExpr);
				break;
			default:
				throw Error.InternalCompilerError();
			}
			return new ExpressionExpr(e);
		}

		protected override Expr VisitWRAP(ExprWrap pExpr)
		{
			return new ExpressionExpr(GetExpression(pExpr));
		}

		private Expr GenerateLambda(ExprCall pExpr)
		{
			return Visit(((ExprList)pExpr.OptionalArguments).OptionalElement);
		}

		private Expression GenerateCall(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			ExprMethodInfo exprMethodInfo;
			ExprArrayInit arrinit;
			if (exprList.OptionalNextListNode is ExprList exprList2)
			{
				exprMethodInfo = (ExprMethodInfo)exprList2.OptionalElement;
				arrinit = (ExprArrayInit)exprList2.OptionalNextListNode;
			}
			else
			{
				exprMethodInfo = (ExprMethodInfo)exprList.OptionalNextListNode;
				arrinit = null;
			}
			Expression instance = null;
			MethodInfo methodInfo = exprMethodInfo.MethodInfo;
			Expression[] argumentsFromArrayInit = GetArgumentsFromArrayInit(arrinit);
			if (methodInfo == null)
			{
				throw Error.InternalCompilerError();
			}
			if (!methodInfo.IsStatic)
			{
				instance = GetExpression(((ExprList)pExpr.OptionalArguments).OptionalElement);
			}
			return Expression.Call(instance, methodInfo, argumentsFromArrayInit);
		}

		private Expression GenerateArrayIndex(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			Expression expression = GetExpression(exprList.OptionalElement);
			Expression[] indexes = ((pExpr.PredefinedMethod != PREDEFMETH.PM_EXPRESSION_ARRAYINDEX) ? GetArgumentsFromArrayInit((ExprArrayInit)exprList.OptionalNextListNode) : new Expression[1] { GetExpression(exprList.OptionalNextListNode) });
			return Expression.ArrayAccess(expression, indexes);
		}

		private Expression GenerateConvert(ExprCall pExpr)
		{
			PREDEFMETH predefinedMethod = pExpr.PredefinedMethod;
			Expression expression;
			Type associatedSystemType;
			if (predefinedMethod == PREDEFMETH.PM_EXPRESSION_CONVERT_USER_DEFINED || predefinedMethod == PREDEFMETH.PM_EXPRESSION_CONVERTCHECKED_USER_DEFINED)
			{
				ExprList exprList = (ExprList)pExpr.OptionalArguments;
				ExprList exprList2 = (ExprList)exprList.OptionalNextListNode;
				expression = GetExpression(exprList.OptionalElement);
				associatedSystemType = ((ExprTypeOf)exprList2.OptionalElement).SourceType.AssociatedSystemType;
				if (expression.Type.MakeByRefType() == associatedSystemType)
				{
					return expression;
				}
				MethodInfo methodInfo = ((ExprMethodInfo)exprList2.OptionalNextListNode).MethodInfo;
				if (predefinedMethod == PREDEFMETH.PM_EXPRESSION_CONVERT_USER_DEFINED)
				{
					return Expression.Convert(expression, associatedSystemType, methodInfo);
				}
				return Expression.ConvertChecked(expression, associatedSystemType, methodInfo);
			}
			ExprList exprList3 = (ExprList)pExpr.OptionalArguments;
			expression = GetExpression(exprList3.OptionalElement);
			associatedSystemType = ((ExprTypeOf)exprList3.OptionalNextListNode).SourceType.AssociatedSystemType;
			if (expression.Type.MakeByRefType() == associatedSystemType)
			{
				return expression;
			}
			if ((pExpr.Flags & EXPRFLAG.EXF_USERCALLABLE) != 0)
			{
				return Expression.Unbox(expression, associatedSystemType);
			}
			if (predefinedMethod == PREDEFMETH.PM_EXPRESSION_CONVERT)
			{
				return Expression.Convert(expression, associatedSystemType);
			}
			return Expression.ConvertChecked(expression, associatedSystemType);
		}

		private Expression GenerateProperty(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			Expr optionalElement = exprList.OptionalElement;
			Expr optionalNextListNode = exprList.OptionalNextListNode;
			ExprPropertyInfo exprPropertyInfo;
			ExprArrayInit exprArrayInit;
			if (optionalNextListNode is ExprList exprList2)
			{
				exprPropertyInfo = exprList2.OptionalElement as ExprPropertyInfo;
				exprArrayInit = exprList2.OptionalNextListNode as ExprArrayInit;
			}
			else
			{
				exprPropertyInfo = optionalNextListNode as ExprPropertyInfo;
				exprArrayInit = null;
			}
			PropertyInfo propertyInfo = exprPropertyInfo.PropertyInfo;
			if (propertyInfo == null)
			{
				throw Error.InternalCompilerError();
			}
			if (exprArrayInit == null)
			{
				return Expression.Property(GetExpression(optionalElement), propertyInfo);
			}
			return Expression.Property(GetExpression(optionalElement), propertyInfo, GetArgumentsFromArrayInit(exprArrayInit));
		}

		private Expression GenerateField(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			ExprFieldInfo exprFieldInfo = (ExprFieldInfo)exprList.OptionalNextListNode;
			Type type = exprFieldInfo.FieldType.AssociatedSystemType;
			FieldInfo fieldInfo = exprFieldInfo.Field.AssociatedFieldInfo;
			if (!type.IsGenericType && !type.IsNested)
			{
				type = fieldInfo.DeclaringType;
			}
			if (type.IsGenericType)
			{
				fieldInfo = type.GetField(fieldInfo.Name, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
			}
			return Expression.Field(GetExpression(exprList.OptionalElement), fieldInfo);
		}

		private Expression GenerateInvoke(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			return Expression.Invoke(GetExpression(exprList.OptionalElement), GetArgumentsFromArrayInit(exprList.OptionalNextListNode as ExprArrayInit));
		}

		private Expression GenerateNew(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			ConstructorInfo constructorInfo = ((ExprMethodInfo)exprList.OptionalElement).ConstructorInfo;
			Expression[] argumentsFromArrayInit = GetArgumentsFromArrayInit(exprList.OptionalNextListNode as ExprArrayInit);
			return Expression.New(constructorInfo, argumentsFromArrayInit);
		}

		private static Expression GenerateConstantType(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			return Expression.Constant(exprList.OptionalElement.Object, ((ExprTypeOf)exprList.OptionalNextListNode).SourceType.AssociatedSystemType);
		}

		private Expression GenerateAssignment(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			return Expression.Assign(GetExpression(exprList.OptionalElement), GetExpression(exprList.OptionalNextListNode));
		}

		private Expression GenerateBinaryOperator(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			Expression expression = GetExpression(exprList.OptionalElement);
			Expression expression2 = GetExpression(exprList.OptionalNextListNode);
			return pExpr.PredefinedMethod switch
			{
				PREDEFMETH.PM_EXPRESSION_ADD => Expression.Add(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_AND => Expression.And(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_DIVIDE => Expression.Divide(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_EQUAL => Expression.Equal(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR => Expression.ExclusiveOr(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_GREATERTHAN => Expression.GreaterThan(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL => Expression.GreaterThanOrEqual(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_LEFTSHIFT => Expression.LeftShift(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_LESSTHAN => Expression.LessThan(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL => Expression.LessThanOrEqual(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_MODULO => Expression.Modulo(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_MULTIPLY => Expression.Multiply(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_NOTEQUAL => Expression.NotEqual(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_OR => Expression.Or(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT => Expression.RightShift(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_SUBTRACT => Expression.Subtract(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_ORELSE => Expression.OrElse(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_ANDALSO => Expression.AndAlso(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_ADDCHECKED => Expression.AddChecked(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED => Expression.MultiplyChecked(expression, expression2), 
				PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED => Expression.SubtractChecked(expression, expression2), 
				_ => throw Error.InternalCompilerError(), 
			};
		}

		private Expression GenerateUserDefinedBinaryOperator(ExprCall pExpr)
		{
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			Expression expression = GetExpression(exprList.OptionalElement);
			Expression expression2 = GetExpression(((ExprList)exprList.OptionalNextListNode).OptionalElement);
			exprList = (ExprList)exprList.OptionalNextListNode;
			bool liftToNull = false;
			MethodInfo methodInfo;
			if (exprList.OptionalNextListNode is ExprList exprList2)
			{
				ExprConstant exprConstant = (ExprConstant)exprList2.OptionalElement;
				liftToNull = exprConstant.Val.Int32Val == 1;
				methodInfo = ((ExprMethodInfo)exprList2.OptionalNextListNode).MethodInfo;
			}
			else
			{
				methodInfo = ((ExprMethodInfo)exprList.OptionalNextListNode).MethodInfo;
			}
			return pExpr.PredefinedMethod switch
			{
				PREDEFMETH.PM_EXPRESSION_ADD_USER_DEFINED => Expression.Add(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_AND_USER_DEFINED => Expression.And(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_DIVIDE_USER_DEFINED => Expression.Divide(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_EQUAL_USER_DEFINED => Expression.Equal(expression, expression2, liftToNull, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR_USER_DEFINED => Expression.ExclusiveOr(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_GREATERTHAN_USER_DEFINED => Expression.GreaterThan(expression, expression2, liftToNull, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL_USER_DEFINED => Expression.GreaterThanOrEqual(expression, expression2, liftToNull, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_LEFTSHIFT_USER_DEFINED => Expression.LeftShift(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_LESSTHAN_USER_DEFINED => Expression.LessThan(expression, expression2, liftToNull, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL_USER_DEFINED => Expression.LessThanOrEqual(expression, expression2, liftToNull, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_MODULO_USER_DEFINED => Expression.Modulo(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_MULTIPLY_USER_DEFINED => Expression.Multiply(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_NOTEQUAL_USER_DEFINED => Expression.NotEqual(expression, expression2, liftToNull, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_OR_USER_DEFINED => Expression.Or(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT_USER_DEFINED => Expression.RightShift(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_SUBTRACT_USER_DEFINED => Expression.Subtract(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_ORELSE_USER_DEFINED => Expression.OrElse(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_ANDALSO_USER_DEFINED => Expression.AndAlso(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_ADDCHECKED_USER_DEFINED => Expression.AddChecked(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED_USER_DEFINED => Expression.MultiplyChecked(expression, expression2, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED_USER_DEFINED => Expression.SubtractChecked(expression, expression2, methodInfo), 
				_ => throw Error.InternalCompilerError(), 
			};
		}

		private Expression GenerateUnaryOperator(ExprCall pExpr)
		{
			PREDEFMETH predefinedMethod = pExpr.PredefinedMethod;
			Expression expression = GetExpression(pExpr.OptionalArguments);
			return predefinedMethod switch
			{
				PREDEFMETH.PM_EXPRESSION_NOT => Expression.Not(expression), 
				PREDEFMETH.PM_EXPRESSION_NEGATE => Expression.Negate(expression), 
				PREDEFMETH.PM_EXPRESSION_NEGATECHECKED => Expression.NegateChecked(expression), 
				_ => throw Error.InternalCompilerError(), 
			};
		}

		private Expression GenerateUserDefinedUnaryOperator(ExprCall pExpr)
		{
			PREDEFMETH predefinedMethod = pExpr.PredefinedMethod;
			ExprList exprList = (ExprList)pExpr.OptionalArguments;
			Expression expression = GetExpression(exprList.OptionalElement);
			MethodInfo methodInfo = ((ExprMethodInfo)exprList.OptionalNextListNode).MethodInfo;
			return predefinedMethod switch
			{
				PREDEFMETH.PM_EXPRESSION_NOT_USER_DEFINED => Expression.Not(expression, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_NEGATE_USER_DEFINED => Expression.Negate(expression, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_UNARYPLUS_USER_DEFINED => Expression.UnaryPlus(expression, methodInfo), 
				PREDEFMETH.PM_EXPRESSION_NEGATECHECKED_USER_DEFINED => Expression.NegateChecked(expression, methodInfo), 
				_ => throw Error.InternalCompilerError(), 
			};
		}

		private Expression GetExpression(Expr pExpr)
		{
			if (pExpr is ExprWrap exprWrap)
			{
				return _DictionaryOfParameters[(ExprCall)exprWrap.OptionalExpression];
			}
			if (pExpr is ExprConstant)
			{
				return null;
			}
			ExprCall exprCall = (ExprCall)pExpr;
			switch (exprCall.PredefinedMethod)
			{
			case PREDEFMETH.PM_EXPRESSION_CALL:
				return GenerateCall(exprCall);
			case PREDEFMETH.PM_EXPRESSION_CONVERT:
			case PREDEFMETH.PM_EXPRESSION_CONVERT_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_CONVERTCHECKED:
			case PREDEFMETH.PM_EXPRESSION_CONVERTCHECKED_USER_DEFINED:
				return GenerateConvert(exprCall);
			case PREDEFMETH.PM_EXPRESSION_NEWARRAYINIT:
			{
				ExprList exprList = (ExprList)exprCall.OptionalArguments;
				return Expression.NewArrayInit(((ExprTypeOf)exprList.OptionalElement).SourceType.AssociatedSystemType, GetArgumentsFromArrayInit((ExprArrayInit)exprList.OptionalNextListNode));
			}
			case PREDEFMETH.PM_EXPRESSION_ARRAYINDEX:
			case PREDEFMETH.PM_EXPRESSION_ARRAYINDEX2:
				return GenerateArrayIndex(exprCall);
			case PREDEFMETH.PM_EXPRESSION_NEW:
				return GenerateNew(exprCall);
			case PREDEFMETH.PM_EXPRESSION_PROPERTY:
				return GenerateProperty(exprCall);
			case PREDEFMETH.PM_EXPRESSION_FIELD:
				return GenerateField(exprCall);
			case PREDEFMETH.PM_EXPRESSION_CONSTANT_OBJECT_TYPE:
				return GenerateConstantType(exprCall);
			case PREDEFMETH.PM_EXPRESSION_ASSIGN:
				return GenerateAssignment(exprCall);
			case PREDEFMETH.PM_EXPRESSION_ADD:
			case PREDEFMETH.PM_EXPRESSION_ADDCHECKED:
			case PREDEFMETH.PM_EXPRESSION_AND:
			case PREDEFMETH.PM_EXPRESSION_ANDALSO:
			case PREDEFMETH.PM_EXPRESSION_DIVIDE:
			case PREDEFMETH.PM_EXPRESSION_EQUAL:
			case PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR:
			case PREDEFMETH.PM_EXPRESSION_GREATERTHAN:
			case PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL:
			case PREDEFMETH.PM_EXPRESSION_LEFTSHIFT:
			case PREDEFMETH.PM_EXPRESSION_LESSTHAN:
			case PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL:
			case PREDEFMETH.PM_EXPRESSION_MODULO:
			case PREDEFMETH.PM_EXPRESSION_MULTIPLY:
			case PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED:
			case PREDEFMETH.PM_EXPRESSION_NOTEQUAL:
			case PREDEFMETH.PM_EXPRESSION_OR:
			case PREDEFMETH.PM_EXPRESSION_ORELSE:
			case PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT:
			case PREDEFMETH.PM_EXPRESSION_SUBTRACT:
			case PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED:
				return GenerateBinaryOperator(exprCall);
			case PREDEFMETH.PM_EXPRESSION_ADD_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_ADDCHECKED_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_AND_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_ANDALSO_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_DIVIDE_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_EQUAL_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_EXCLUSIVEOR_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_GREATERTHAN_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_GREATERTHANOREQUAL_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_LEFTSHIFT_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_LESSTHAN_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_LESSTHANOREQUAL_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_MODULO_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_MULTIPLY_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_MULTIPLYCHECKED_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_NOTEQUAL_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_OR_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_ORELSE_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_RIGHTSHIFT_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_SUBTRACT_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_SUBTRACTCHECKED_USER_DEFINED:
				return GenerateUserDefinedBinaryOperator(exprCall);
			case PREDEFMETH.PM_EXPRESSION_NEGATE:
			case PREDEFMETH.PM_EXPRESSION_NEGATECHECKED:
			case PREDEFMETH.PM_EXPRESSION_NOT:
				return GenerateUnaryOperator(exprCall);
			case PREDEFMETH.PM_EXPRESSION_UNARYPLUS_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_NEGATE_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_NEGATECHECKED_USER_DEFINED:
			case PREDEFMETH.PM_EXPRESSION_NOT_USER_DEFINED:
				return GenerateUserDefinedUnaryOperator(exprCall);
			default:
				throw Error.InternalCompilerError();
			}
		}

		private Expression[] GetArgumentsFromArrayInit(ExprArrayInit arrinit)
		{
			List<Expression> list = new List<Expression>();
			if (arrinit != null)
			{
				Expr expr = arrinit.OptionalArguments;
				while (expr != null)
				{
					Expr pExpr;
					if (expr is ExprList exprList)
					{
						pExpr = exprList.OptionalElement;
						expr = exprList.OptionalNextListNode;
					}
					else
					{
						pExpr = expr;
						expr = null;
					}
					list.Add(GetExpression(pExpr));
				}
			}
			return list.ToArray();
		}
	}
	internal interface ICSharpBinder
	{
		bool IsBinderThatCanHaveRefReceiver { get; }

		BindingFlag BindingFlags { get; }

		string Name { get; }

		Type ReturnType { get; }

		CSharpArgumentInfo GetArgumentInfo(int index);

		void PopulateSymbolTableWithName(Type callingType, ArgumentObject[] arguments);

		Expr DispatchPayload(RuntimeBinder runtimeBinder, ArgumentObject[] arguments, LocalVariableSymbol[] locals);

		int GetGetBinderEquivalenceHash();

		bool IsEquivalentTo(ICSharpBinder other);
	}
	internal interface ICSharpInvokeOrInvokeMemberBinder : ICSharpBinder
	{
		bool StaticCall { get; }

		bool ResultDiscarded { get; }

		CSharpCallFlags Flags { get; }

		Type[] TypeArguments { get; }
	}
	internal readonly struct RuntimeBinder
	{
		private static readonly object s_bindLock = new object();

		private readonly ExpressionBinder _binder;

		internal bool IsChecked => _binder.Context.Checked;

		public RuntimeBinder(Type contextType, bool isChecked = false)
		{
			AggregateSymbol context;
			if (contextType != null)
			{
				lock (s_bindLock)
				{
					context = ((AggregateType)SymbolTable.GetCTypeFromType(contextType)).OwningAggregate;
				}
			}
			else
			{
				context = null;
			}
			_binder = new ExpressionBinder(new BindingContext(context, isChecked));
		}

		public Expression Bind(ICSharpBinder payload, Expression[] parameters, DynamicMetaObject[] args, out DynamicMetaObject deferredBinding)
		{
			lock (s_bindLock)
			{
				return BindCore(payload, parameters, args, out deferredBinding);
			}
		}

		private Expression BindCore(ICSharpBinder payload, Expression[] parameters, DynamicMetaObject[] args, out DynamicMetaObject deferredBinding)
		{
			ArgumentObject[] array = CreateArgumentArray(payload, parameters, args);
			payload.PopulateSymbolTableWithName(array[0].Type, array);
			AddConversionsForArguments(array);
			Scope pScope = SymFactory.CreateScope();
			LocalVariableSymbol[] locals = PopulateLocalScope(payload, pScope, array, parameters);
			if (DeferBinding(payload, array, args, locals, out deferredBinding))
			{
				return null;
			}
			Expr pResult = payload.DispatchPayload(this, array, locals);
			return CreateExpressionTreeFromResult(parameters, pScope, pResult);
		}

		private bool DeferBinding(ICSharpBinder payload, ArgumentObject[] arguments, DynamicMetaObject[] args, LocalVariableSymbol[] locals, out DynamicMetaObject deferredBinding)
		{
			if (payload is CSharpInvokeMemberBinder cSharpInvokeMemberBinder)
			{
				Type[] typeArguments = cSharpInvokeMemberBinder.TypeArguments;
				int arity = ((typeArguments != null) ? typeArguments.Length : 0);
				MemberLookup mem = new MemberLookup();
				Expr callingObject = CreateCallingObjectForCall(cSharpInvokeMemberBinder, arguments, locals);
				SymWithType symWithType = SymbolTable.LookupMember(cSharpInvokeMemberBinder.Name, callingObject, _binder.Context.ContextForMemberLookup, arity, mem, (cSharpInvokeMemberBinder.Flags & CSharpCallFlags.EventHookup) != 0, requireInvocable: true);
				if (symWithType != null && symWithType.Sym.getKind() != SYMKIND.SK_MethodSymbol)
				{
					CSharpGetMemberBinder cSharpGetMemberBinder = new CSharpGetMemberBinder(cSharpInvokeMemberBinder.Name, resultIndexed: false, cSharpInvokeMemberBinder.CallingContext, new CSharpArgumentInfo[1] { cSharpInvokeMemberBinder.GetArgumentInfo(0) }).TryGetExisting();
					CSharpArgumentInfo[] array = cSharpInvokeMemberBinder.ArgumentInfoArray();
					array[0] = CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null);
					CSharpInvokeBinder cSharpInvokeBinder = new CSharpInvokeBinder(cSharpInvokeMemberBinder.Flags, cSharpInvokeMemberBinder.CallingContext, array).TryGetExisting();
					DynamicMetaObject[] array2 = new DynamicMetaObject[args.Length - 1];
					Array.Copy(args, 1, array2, 0, args.Length - 1);
					deferredBinding = cSharpInvokeBinder.Defer(cSharpGetMemberBinder.Defer(args[0]), array2);
					return true;
				}
			}
			deferredBinding = null;
			return false;
		}

		private static Expression CreateExpressionTreeFromResult(Expression[] parameters, Scope pScope, Expr pResult)
		{
			ExprBoundLambda expr = GenerateBoundLambda(pScope, pResult);
			ExprBinOp binOp = ExpressionTreeRewriter.Rewrite(expr);
			return ExpressionTreeCallRewriter.Rewrite(binOp, parameters);
		}

		private Type GetArgumentType(ICSharpBinder p, CSharpArgumentInfo argInfo, Expression param, DynamicMetaObject arg, int index)
		{
			Type type = (argInfo.UseCompileTimeType ? param.Type : arg.LimitType);
			if (argInfo.IsByRefOrOut)
			{
				if (index != 0 || !p.IsBinderThatCanHaveRefReceiver)
				{
					type = type.MakeByRefType();
				}
			}
			else if (!argInfo.UseCompileTimeType)
			{
				CType cTypeFromType = SymbolTable.GetCTypeFromType(type);
				CType bestAccessibleType = TypeManager.GetBestAccessibleType(_binder.Context.ContextForMemberLookup, cTypeFromType);
				type = bestAccessibleType.AssociatedSystemType;
			}
			return type;
		}

		private ArgumentObject[] CreateArgumentArray(ICSharpBinder payload, Expression[] parameters, DynamicMetaObject[] args)
		{
			ArgumentObject[] array = new ArgumentObject[parameters.Length];
			for (int i = 0; i < parameters.Length; i++)
			{
				CSharpArgumentInfo argumentInfo = payload.GetArgumentInfo(i);
				array[i] = new ArgumentObject(args[i].Value, argumentInfo, GetArgumentType(payload, argumentInfo, parameters[i], args[i], i));
			}
			return array;
		}

		internal static void PopulateSymbolTableWithPayloadInformation(ICSharpInvokeOrInvokeMemberBinder callOrInvoke, Type callingType, ArgumentObject[] arguments)
		{
			Type type;
			if (callOrInvoke.StaticCall)
			{
				type = arguments[0].Value as Type;
				if (type == null)
				{
					throw Error.BindStaticRequiresType(arguments[0].Info.Name);
				}
			}
			else
			{
				type = callingType;
			}
			SymbolTable.PopulateSymbolTableWithName(callOrInvoke.Name, callOrInvoke.TypeArguments, type);
			if (callOrInvoke.Name.StartsWith("set_", StringComparison.Ordinal) || callOrInvoke.Name.StartsWith("get_", StringComparison.Ordinal))
			{
				SymbolTable.PopulateSymbolTableWithName(callOrInvoke.Name.Substring(4), callOrInvoke.TypeArguments, type);
			}
		}

		private static void AddConversionsForArguments(ArgumentObject[] arguments)
		{
			for (int i = 0; i < arguments.Length; i++)
			{
				ArgumentObject argumentObject = arguments[i];
				SymbolTable.AddConversionsForType(argumentObject.Type);
			}
		}

		internal ExprWithArgs DispatchPayload(ICSharpInvokeOrInvokeMemberBinder payload, ArgumentObject[] arguments, LocalVariableSymbol[] locals)
		{
			return BindCall(payload, CreateCallingObjectForCall(payload, arguments, locals), arguments, locals);
		}

		private static LocalVariableSymbol[] PopulateLocalScope(ICSharpBinder payload, Scope pScope, ArgumentObject[] arguments, Expression[] parameterExpressions)
		{
			LocalVariableSymbol[] array = new LocalVariableSymbol[parameterExpressions.Length];
			for (int i = 0; i < parameterExpressions.Length; i++)
			{
				Expression expression = parameterExpressions[i];
				CType cType = SymbolTable.GetCTypeFromType(expression.Type);
				if ((i != 0 || !payload.IsBinderThatCanHaveRefReceiver) && expression is ParameterExpression parameterExpression && parameterExpression.IsByRef)
				{
					CSharpArgumentInfo info = arguments[i].Info;
					if (info.IsByRefOrOut)
					{
						cType = TypeManager.GetParameterModifier(cType, info.IsOut);
					}
				}
				LocalVariableSymbol localVariableSymbol = SymFactory.CreateLocalVar(NameManager.Add("p" + i), pScope, cType);
				array[i] = localVariableSymbol;
			}
			return array;
		}

		private static ExprBoundLambda GenerateBoundLambda(Scope pScope, Expr call)
		{
			AggregateType predefindType = SymbolLoader.GetPredefindType(PredefinedType.PT_FUNC);
			return ExprFactory.CreateAnonymousMethod(predefindType, pScope, call);
		}

		private Expr CreateLocal(Type type, bool isOut, LocalVariableSymbol local)
		{
			CType dest = ((!isOut) ? SymbolTable.GetCTypeFromType(type) : TypeManager.GetParameterModifier(SymbolTable.GetCTypeFromType(type.GetElementType()), isOut: true));
			ExprLocal expr = ExprFactory.CreateLocal(local);
			Expr expr2 = _binder.tryConvert(expr, dest) ?? _binder.mustCast(expr, dest);
			expr2.Flags |= EXPRFLAG.EXF_LVALUE;
			return expr2;
		}

		internal Expr CreateArgumentListEXPR(ArgumentObject[] arguments, LocalVariableSymbol[] locals, int startIndex, int endIndex)
		{
			Expr first = null;
			Expr last = null;
			if (arguments != null)
			{
				for (int i = startIndex; i < endIndex; i++)
				{
					ArgumentObject argument = arguments[i];
					Expr expr = CreateArgumentEXPR(argument, locals[i]);
					if (first == null)
					{
						first = expr;
						last = first;
					}
					else
					{
						ExprFactory.AppendItemToList(expr, ref first, ref last);
					}
				}
			}
			return first;
		}

		private Expr CreateArgumentEXPR(ArgumentObject argument, LocalVariableSymbol local)
		{
			Expr expr = (argument.Info.LiteralConstant ? ((argument.Value != null) ? ExprFactory.CreateConstant(SymbolTable.GetCTypeFromType(argument.Type), ConstVal.Get(argument.Value)) : ((!argument.Info.UseCompileTimeType) ? ExprFactory.CreateNull() : ExprFactory.CreateConstant(SymbolTable.GetCTypeFromType(argument.Type), default(ConstVal)))) : ((argument.Info.UseCompileTimeType || argument.Value != null) ? CreateLocal(argument.Type, argument.Info.IsOut, local) : ExprFactory.CreateNull()));
			if (argument.Info.NamedArgument)
			{
				expr = ExprFactory.CreateNamedArgumentSpecification(NameManager.Add(argument.Info.Name), expr);
			}
			if (!argument.Info.UseCompileTimeType && argument.Value != null)
			{
				expr.RuntimeObject = argument.Value;

plugins/RiskOfRumble.dll

Decompiled a year ago
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using System.Threading;
using BepInEx;
using BepInEx.Configuration;
using BepInEx.Logging;
using Buttplug.Client;
using Buttplug.Client.Connectors.WebsocketConnector;
using Buttplug.Core;
using RoR2;
using UnityEngine;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyCompany("RiskOfRumble")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0+80235b52c4ade6ffd8e05428c33224965c90f4ed")]
[assembly: AssemblyProduct("RiskOfRumble")]
[assembly: AssemblyTitle("RiskOfRumble")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[module: UnverifiableCode]
internal sealed class ConfigurationManagerAttributes
{
	public bool? ShowRangeAsPercent;

	public Action<ConfigEntryBase> CustomDrawer;

	public bool? Browsable;

	public string Category;

	public object DefaultValue;

	public bool? HideDefaultButton;

	public bool? HideSettingName;

	public string Description;

	public string DispName;

	public int? Order;

	public bool? ReadOnly;

	public bool? IsAdvanced;

	public Func<object, string> ObjToStr;

	public Func<string, object> StrToObj;
}
namespace RiskOfRumble;

[BepInPlugin("com.exp111.RiskOfRumble", "RiskOfRumble", "1.0")]
public class RiskOfRumble : BaseUnityPlugin
{
	public class Vibration
	{
		public float Intensity;

		public Vibration(float intensity)
		{
			Intensity = intensity;
		}
	}

	public const string ID = "com.exp111.RiskOfRumble";

	public const string NAME = "RiskOfRumble";

	public const string VERSION = "1.0";

	public static ManualLogSource Log;

	private static ButtplugClient ButtplugClient;

	public static ConfigEntry<string> ServerURL;

	public static ConfigEntry<bool> Rewarding;

	public static ConfigEntry<bool> Punishing;

	public static ConfigEntry<bool> RoundRobin;

	public static ConfigEntry<float> RewardFactor;

	public static ConfigEntry<float> PunishmentFactor;

	public static List<Vibration> Vibrations = new List<Vibration>();

	public void Awake()
	{
		//IL_0025: Unknown result type (might be due to invalid IL or missing references)
		//IL_002f: Expected O, but got Unknown
		try
		{
			Log = ((BaseUnityPlugin)this).Logger;
			Log.LogMessage((object)"Awake");
			SetupConfig();
			ButtplugClient = new ButtplugClient("RiskOfRumble");
			ButtplugClient.DeviceAdded += ButtplugClient_DeviceAdded;
			ButtplugClient.PingTimeout += ButtplugClient_PingTimeout;
			ButtplugClient.ErrorReceived += ButtplugClient_ErrorReceived;
			Connect();
			GlobalEventManager.onClientDamageNotified += GlobalEventManager_onClientDamageNotified;
		}
		catch (Exception arg)
		{
			Log.LogMessage((object)$"Exception during RiskOfRumble.Awake: {arg}");
		}
	}

	private void ButtplugClient_DeviceAdded(object sender, DeviceAddedEventArgs e)
	{
	}

	private void ButtplugClient_PingTimeout(object sender, EventArgs e)
	{
		Log.LogMessage((object)$"Ping Timeout from RiskOfRumble.ButtplugClient: {e}");
	}

	private void ButtplugClient_ErrorReceived(object sender, ButtplugExceptionEventArgs e)
	{
		Log.LogMessage((object)$"Error received from RiskOfRumble.ButtplugClient: {e}");
	}

	private void SetupConfig()
	{
		//IL_0067: Unknown result type (might be due to invalid IL or missing references)
		//IL_0071: Expected O, but got Unknown
		ServerURL = ((BaseUnityPlugin)this).Config.Bind<string>("Connection", "URL", "ws://localhost:12345", "The server url which to join");
		((BaseUnityPlugin)this).Config.Bind<bool>("Connection", "Connect", false, new ConfigDescription("Scan/reconnect", (AcceptableValueBase)null, new object[1]
		{
			new ConfigurationManagerAttributes
			{
				CustomDrawer = ConnectDrawer,
				HideDefaultButton = true
			}
		}));
		Rewarding = ((BaseUnityPlugin)this).Config.Bind<bool>("Gameplay", "Rewarding", true, "If rewarding actions (hitting things) should trigger vibrations");
		Punishing = ((BaseUnityPlugin)this).Config.Bind<bool>("Gameplay", "Punishing", false, "If punishing actions (getting hit) should trigger vibrations");
		RoundRobin = ((BaseUnityPlugin)this).Config.Bind<bool>("Gameplay", "Round Robin", false, "If you should receive rewards/punishments from another players actions");
		RewardFactor = ((BaseUnityPlugin)this).Config.Bind<float>("Gameplay", "Reward Factor", 0.5f, "The reward multiplier");
		PunishmentFactor = ((BaseUnityPlugin)this).Config.Bind<float>("Gameplay", "Punishment Factor", 2f, "The punishment multiplier");
	}

	private void Connect()
	{
		//IL_000f: Unknown result type (might be due to invalid IL or missing references)
		//IL_0015: Expected O, but got Unknown
		try
		{
			ButtplugWebsocketConnector val = new ButtplugWebsocketConnector(new Uri(ServerURL.Value));
			ButtplugClient.ConnectAsync((IButtplugClientConnector)(object)val, default(CancellationToken)).Wait();
		}
		catch (Exception arg)
		{
			Log.LogMessage((object)$"Exception during RiskOfRumble.Connect: {arg}");
		}
	}

	private void Disconnect()
	{
		try
		{
			ButtplugClient.DisconnectAsync().Wait();
		}
		catch (Exception arg)
		{
			Log.LogMessage((object)$"Exception during RiskOfRumble.Disconnect: {arg}");
		}
	}

	public void ConnectDrawer(ConfigEntryBase entry)
	{
		try
		{
			GUILayout.TextArea("Status: " + (ButtplugClient.Connected ? "Connected" : "Disconnected"), (GUILayoutOption[])(object)new GUILayoutOption[1] { GUILayout.ExpandWidth(true) });
			GUILayout.TextArea($"#Devices: {ButtplugClient.Devices.Length}", (GUILayoutOption[])(object)new GUILayoutOption[1] { GUILayout.ExpandWidth(true) });
			if (GUILayout.Button("Connect", (GUILayoutOption[])(object)new GUILayoutOption[1] { GUILayout.ExpandWidth(true) }))
			{
				Connect();
			}
			if (GUILayout.Button("Scan", (GUILayoutOption[])(object)new GUILayoutOption[1] { GUILayout.ExpandWidth(true) }))
			{
				ButtplugClient.StartScanningAsync(default(CancellationToken)).Wait();
			}
			if (GUILayout.Button("Disconnect", (GUILayoutOption[])(object)new GUILayoutOption[1] { GUILayout.ExpandWidth(true) }))
			{
				Disconnect();
			}
		}
		catch (Exception arg)
		{
			Log.LogMessage((object)$"Exception during RiskOfRumble.CustomDrawer: {arg}");
		}
	}

	public static void Vibrate(float strength)
	{
		float num = Math.Max(0f, Math.Min(1f, strength));
		Vibrations.Add(new Vibration(num));
		SendVibrate(num);
	}

	public void Update()
	{
		try
		{
			float deltaTime = Time.deltaTime;
			if (Vibrations.Count == 0)
			{
				return;
			}
			foreach (Vibration vibration in Vibrations)
			{
				vibration.Intensity = Mathf.Lerp(vibration.Intensity, -0.01f, 0.5f * deltaTime);
			}
			Vibrations.RemoveAll((Vibration p) => p.Intensity <= 0f);
			SendVibrate(Vibrations.Sum((Vibration item) => item.Intensity));
		}
		catch (Exception arg)
		{
			Log.LogMessage((object)$"Exception during RiskOfRumble.Update: {arg}");
		}
	}

	public static void SendVibrate(float strength)
	{
		ButtplugClientDevice[] devices = ButtplugClient.Devices;
		for (int i = 0; i < devices.Length; i++)
		{
			devices[i].VibrateAsync((double)strength);
		}
	}

	[Conditional("DEBUG")]
	public static void DebugLog(string message)
	{
		Log.LogMessage((object)message);
	}

	[Conditional("TRACE")]
	public static void DebugTrace(string message)
	{
		Log.LogMessage((object)message);
	}

	private void GlobalEventManager_onClientDamageNotified(DamageDealtMessage message)
	{
		try
		{
			if (Object.op_Implicit((Object)(object)message.victim))
			{
				if (Rewarding.Value)
				{
					Reward(message);
				}
				if (Punishing.Value)
				{
					Punish(message);
				}
			}
		}
		catch (Exception arg)
		{
			Log.LogMessage((object)$"Exception during GlobalEventManager.onClientDamageNotified hook: {arg}");
		}
	}

	private CharacterMaster GetCharacterMaster()
	{
		CharacterMaster master = LocalUserManager.GetFirstLocalUser().currentNetworkUser.master;
		if (RoundRobin.Value)
		{
			int num = 0;
			using (IEnumerator<PlayerCharacterMasterController> enumerator = PlayerCharacterMasterController.instances.GetEnumerator())
			{
				while (enumerator.MoveNext() && !((Object)(object)enumerator.Current.master == (Object)(object)master))
				{
					num++;
				}
			}
			master = PlayerCharacterMasterController.instances[(num + 1) % PlayerCharacterMasterController.instances.Count].master;
		}
		return master;
	}

	private void Punish(DamageDealtMessage obj)
	{
		CharacterMaster characterMaster = GetCharacterMaster();
		if (!Object.op_Implicit((Object)(object)characterMaster))
		{
			return;
		}
		CharacterBody body = characterMaster.GetBody();
		if (Object.op_Implicit((Object)(object)body))
		{
			GameObject victim = obj.victim;
			if (!((Object)(object)victim != (Object)(object)((Component)body).gameObject))
			{
				HealthComponent component = victim.GetComponent<HealthComponent>();
				Vibrate(PunishmentFactor.Value * (obj.damage / component.fullCombinedHealth));
			}
		}
	}

	private void Reward(DamageDealtMessage obj)
	{
		CharacterMaster characterMaster = GetCharacterMaster();
		if (!Object.op_Implicit((Object)(object)characterMaster))
		{
			return;
		}
		CharacterBody body = characterMaster.GetBody();
		if (Object.op_Implicit((Object)(object)body) && !((Object)(object)obj.attacker != (Object)(object)((Component)body).gameObject))
		{
			GameObject victim = obj.victim;
			if (Object.op_Implicit((Object)(object)victim))
			{
				HealthComponent component = victim.GetComponent<HealthComponent>();
				Vibrate(RewardFactor.Value * (obj.damage / component.fullCombinedHealth));
			}
		}
	}
}

plugins/System.Buffers.dll

Decompiled a year ago
using System;
using System.Diagnostics;
using System.Diagnostics.Tracing;
using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
using System.Security;
using System.Security.Permissions;
using System.Threading;
using FxResources.System.Buffers;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: NeutralResourcesLanguage("en-US")]
[assembly: AssemblyTitle("System.Buffers")]
[assembly: AssemblyDescription("System.Buffers")]
[assembly: AssemblyDefaultAlias("System.Buffers")]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyProduct("Microsoft® .NET Framework")]
[assembly: AssemblyCopyright("© Microsoft Corporation. All rights reserved.")]
[assembly: AssemblyFileVersion("4.6.28619.01")]
[assembly: AssemblyInformationalVersion("4.6.28619.01 @BuiltBy: dlab14-DDVSOWINAGE069 @Branch: release/2.1 @SrcCode: https://github.com/dotnet/corefx/tree/7601f4f6225089ffb291dc7d58293c7bbf5c5d4f")]
[assembly: CLSCompliant(true)]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: AssemblyMetadata("PreferInbox", "True")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("4.0.3.0")]
[module: UnverifiableCode]
namespace FxResources.System.Buffers
{
	internal static class SR
	{
	}
}
namespace System
{
	internal static class SR
	{
		private static ResourceManager s_resourceManager;

		private static ResourceManager ResourceManager => s_resourceManager ?? (s_resourceManager = new ResourceManager(ResourceType));

		internal static Type ResourceType { get; } = typeof(SR);


		internal static string ArgumentException_BufferNotFromPool => GetResourceString("ArgumentException_BufferNotFromPool", null);

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static bool UsingResourceKeys()
		{
			return false;
		}

		internal static string GetResourceString(string resourceKey, string defaultString)
		{
			string text = null;
			try
			{
				text = ResourceManager.GetString(resourceKey);
			}
			catch (MissingManifestResourceException)
			{
			}
			if (defaultString != null && resourceKey.Equals(text, StringComparison.Ordinal))
			{
				return defaultString;
			}
			return text;
		}

		internal static string Format(string resourceFormat, params object[] args)
		{
			if (args != null)
			{
				if (UsingResourceKeys())
				{
					return resourceFormat + string.Join(", ", args);
				}
				return string.Format(resourceFormat, args);
			}
			return resourceFormat;
		}

		internal static string Format(string resourceFormat, object p1)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1);
			}
			return string.Format(resourceFormat, p1);
		}

		internal static string Format(string resourceFormat, object p1, object p2)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2);
			}
			return string.Format(resourceFormat, p1, p2);
		}

		internal static string Format(string resourceFormat, object p1, object p2, object p3)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2, p3);
			}
			return string.Format(resourceFormat, p1, p2, p3);
		}
	}
}
namespace System.Runtime.CompilerServices
{
	[AttributeUsage(AttributeTargets.All)]
	internal class __BlockReflectionAttribute : Attribute
	{
	}
}
namespace System.Buffers
{
	public abstract class ArrayPool<T>
	{
		private static ArrayPool<T> s_sharedInstance;

		public static ArrayPool<T> Shared
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				return Volatile.Read(ref s_sharedInstance) ?? EnsureSharedCreated();
			}
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static ArrayPool<T> EnsureSharedCreated()
		{
			Interlocked.CompareExchange(ref s_sharedInstance, Create(), null);
			return s_sharedInstance;
		}

		public static ArrayPool<T> Create()
		{
			return new DefaultArrayPool<T>();
		}

		public static ArrayPool<T> Create(int maxArrayLength, int maxArraysPerBucket)
		{
			return new DefaultArrayPool<T>(maxArrayLength, maxArraysPerBucket);
		}

		public abstract T[] Rent(int minimumLength);

		public abstract void Return(T[] array, bool clearArray = false);
	}
	[EventSource(Name = "System.Buffers.ArrayPoolEventSource")]
	internal sealed class ArrayPoolEventSource : EventSource
	{
		internal enum BufferAllocatedReason
		{
			Pooled,
			OverMaximumSize,
			PoolExhausted
		}

		internal static readonly System.Buffers.ArrayPoolEventSource Log = new System.Buffers.ArrayPoolEventSource();

		[Event(1, Level = EventLevel.Verbose)]
		internal unsafe void BufferRented(int bufferId, int bufferSize, int poolId, int bucketId)
		{
			EventData* ptr = stackalloc EventData[4];
			*ptr = new EventData
			{
				Size = 4,
				DataPointer = (IntPtr)(&bufferId)
			};
			ptr[1] = new EventData
			{
				Size = 4,
				DataPointer = (IntPtr)(&bufferSize)
			};
			ptr[2] = new EventData
			{
				Size = 4,
				DataPointer = (IntPtr)(&poolId)
			};
			ptr[3] = new EventData
			{
				Size = 4,
				DataPointer = (IntPtr)(&bucketId)
			};
			WriteEventCore(1, 4, ptr);
		}

		[Event(2, Level = EventLevel.Informational)]
		internal unsafe void BufferAllocated(int bufferId, int bufferSize, int poolId, int bucketId, BufferAllocatedReason reason)
		{
			EventData* ptr = stackalloc EventData[5];
			*ptr = new EventData
			{
				Size = 4,
				DataPointer = (IntPtr)(&bufferId)
			};
			ptr[1] = new EventData
			{
				Size = 4,
				DataPointer = (IntPtr)(&bufferSize)
			};
			ptr[2] = new EventData
			{
				Size = 4,
				DataPointer = (IntPtr)(&poolId)
			};
			ptr[3] = new EventData
			{
				Size = 4,
				DataPointer = (IntPtr)(&bucketId)
			};
			ptr[4] = new EventData
			{
				Size = 4,
				DataPointer = (IntPtr)(&reason)
			};
			WriteEventCore(2, 5, ptr);
		}

		[Event(3, Level = EventLevel.Verbose)]
		internal void BufferReturned(int bufferId, int bufferSize, int poolId)
		{
			WriteEvent(3, bufferId, bufferSize, poolId);
		}
	}
	internal sealed class DefaultArrayPool<T> : ArrayPool<T>
	{
		private sealed class Bucket
		{
			internal readonly int _bufferLength;

			private readonly T[][] _buffers;

			private readonly int _poolId;

			private SpinLock _lock;

			private int _index;

			internal int Id => GetHashCode();

			internal Bucket(int bufferLength, int numberOfBuffers, int poolId)
			{
				_lock = new SpinLock(Debugger.IsAttached);
				_buffers = new T[numberOfBuffers][];
				_bufferLength = bufferLength;
				_poolId = poolId;
			}

			internal T[] Rent()
			{
				T[][] buffers = _buffers;
				T[] array = null;
				bool lockTaken = false;
				bool flag = false;
				try
				{
					_lock.Enter(ref lockTaken);
					if (_index < buffers.Length)
					{
						array = buffers[_index];
						buffers[_index++] = null;
						flag = array == null;
					}
				}
				finally
				{
					if (lockTaken)
					{
						_lock.Exit(useMemoryBarrier: false);
					}
				}
				if (flag)
				{
					array = new T[_bufferLength];
					System.Buffers.ArrayPoolEventSource log = System.Buffers.ArrayPoolEventSource.Log;
					if (log.IsEnabled())
					{
						log.BufferAllocated(array.GetHashCode(), _bufferLength, _poolId, Id, System.Buffers.ArrayPoolEventSource.BufferAllocatedReason.Pooled);
					}
				}
				return array;
			}

			internal void Return(T[] array)
			{
				if (array.Length != _bufferLength)
				{
					throw new ArgumentException(System.SR.ArgumentException_BufferNotFromPool, "array");
				}
				bool lockTaken = false;
				try
				{
					_lock.Enter(ref lockTaken);
					if (_index != 0)
					{
						_buffers[--_index] = array;
					}
				}
				finally
				{
					if (lockTaken)
					{
						_lock.Exit(useMemoryBarrier: false);
					}
				}
			}
		}

		private const int DefaultMaxArrayLength = 1048576;

		private const int DefaultMaxNumberOfArraysPerBucket = 50;

		private static T[] s_emptyArray;

		private readonly Bucket[] _buckets;

		private int Id => GetHashCode();

		internal DefaultArrayPool()
			: this(1048576, 50)
		{
		}

		internal DefaultArrayPool(int maxArrayLength, int maxArraysPerBucket)
		{
			if (maxArrayLength <= 0)
			{
				throw new ArgumentOutOfRangeException("maxArrayLength");
			}
			if (maxArraysPerBucket <= 0)
			{
				throw new ArgumentOutOfRangeException("maxArraysPerBucket");
			}
			if (maxArrayLength > 1073741824)
			{
				maxArrayLength = 1073741824;
			}
			else if (maxArrayLength < 16)
			{
				maxArrayLength = 16;
			}
			int id = Id;
			int num = System.Buffers.Utilities.SelectBucketIndex(maxArrayLength);
			Bucket[] array = new Bucket[num + 1];
			for (int i = 0; i < array.Length; i++)
			{
				array[i] = new Bucket(System.Buffers.Utilities.GetMaxSizeForBucket(i), maxArraysPerBucket, id);
			}
			_buckets = array;
		}

		public override T[] Rent(int minimumLength)
		{
			if (minimumLength < 0)
			{
				throw new ArgumentOutOfRangeException("minimumLength");
			}
			if (minimumLength == 0)
			{
				return s_emptyArray ?? (s_emptyArray = new T[0]);
			}
			System.Buffers.ArrayPoolEventSource log = System.Buffers.ArrayPoolEventSource.Log;
			T[] array = null;
			int num = System.Buffers.Utilities.SelectBucketIndex(minimumLength);
			if (num < _buckets.Length)
			{
				int num2 = num;
				do
				{
					array = _buckets[num2].Rent();
					if (array != null)
					{
						if (log.IsEnabled())
						{
							log.BufferRented(array.GetHashCode(), array.Length, Id, _buckets[num2].Id);
						}
						return array;
					}
				}
				while (++num2 < _buckets.Length && num2 != num + 2);
				array = new T[_buckets[num]._bufferLength];
			}
			else
			{
				array = new T[minimumLength];
			}
			if (log.IsEnabled())
			{
				int hashCode = array.GetHashCode();
				int bucketId = -1;
				log.BufferRented(hashCode, array.Length, Id, bucketId);
				log.BufferAllocated(hashCode, array.Length, Id, bucketId, (num >= _buckets.Length) ? System.Buffers.ArrayPoolEventSource.BufferAllocatedReason.OverMaximumSize : System.Buffers.ArrayPoolEventSource.BufferAllocatedReason.PoolExhausted);
			}
			return array;
		}

		public override void Return(T[] array, bool clearArray = false)
		{
			if (array == null)
			{
				throw new ArgumentNullException("array");
			}
			if (array.Length == 0)
			{
				return;
			}
			int num = System.Buffers.Utilities.SelectBucketIndex(array.Length);
			if (num < _buckets.Length)
			{
				if (clearArray)
				{
					Array.Clear(array, 0, array.Length);
				}
				_buckets[num].Return(array);
			}
			System.Buffers.ArrayPoolEventSource log = System.Buffers.ArrayPoolEventSource.Log;
			if (log.IsEnabled())
			{
				log.BufferReturned(array.GetHashCode(), array.Length, Id);
			}
		}
	}
	internal static class Utilities
	{
		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static int SelectBucketIndex(int bufferSize)
		{
			uint num = (uint)(bufferSize - 1) >> 4;
			int num2 = 0;
			if (num > 65535)
			{
				num >>= 16;
				num2 = 16;
			}
			if (num > 255)
			{
				num >>= 8;
				num2 += 8;
			}
			if (num > 15)
			{
				num >>= 4;
				num2 += 4;
			}
			if (num > 3)
			{
				num >>= 2;
				num2 += 2;
			}
			if (num > 1)
			{
				num >>= 1;
				num2++;
			}
			return num2 + (int)num;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static int GetMaxSizeForBucket(int binIndex)
		{
			return 16 << binIndex;
		}
	}
}

plugins/System.Runtime.CompilerServices.Unsafe.dll

Decompiled a year ago
using System;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using Microsoft.CodeAnalysis;

[assembly: AssemblyProduct("Microsoft® .NET Framework")]
[assembly: CLSCompliant(false)]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: CompilationRelaxations(8)]
[assembly: AssemblyDescription("System.Runtime.CompilerServices.Unsafe")]
[assembly: AssemblyFileVersion("6.0.21.52210")]
[assembly: AssemblyInformationalVersion("6.0.0")]
[assembly: AssemblyTitle("System.Runtime.CompilerServices.Unsafe")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: AssemblyMetadata("IsTrimmable", "True")]
[assembly: AssemblyCopyright("© Microsoft Corporation.  All rights reserved.")]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyVersion("6.0.0.0")]
namespace System.Runtime.CompilerServices
{
	public static class Unsafe
	{
		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static T Read<T>(void* source)
		{
			return Unsafe.Read<T>(source);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static T ReadUnaligned<T>(void* source)
		{
			return Unsafe.ReadUnaligned<T>(source);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static T ReadUnaligned<T>(ref byte source)
		{
			return Unsafe.ReadUnaligned<T>(ref source);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void Write<T>(void* destination, T value)
		{
			Unsafe.Write(destination, value);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void WriteUnaligned<T>(void* destination, T value)
		{
			Unsafe.WriteUnaligned(destination, value);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static void WriteUnaligned<T>(ref byte destination, T value)
		{
			Unsafe.WriteUnaligned(ref destination, value);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void Copy<T>(void* destination, ref T source)
		{
			Unsafe.Write(destination, source);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void Copy<T>(ref T destination, void* source)
		{
			destination = Unsafe.Read<T>(source);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void* AsPointer<T>(ref T value)
		{
			return Unsafe.AsPointer(ref value);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static void SkipInit<T>(out T value)
		{
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static int SizeOf<T>()
		{
			return Unsafe.SizeOf<T>();
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void CopyBlock(void* destination, void* source, uint byteCount)
		{
			// IL cpblk instruction
			Unsafe.CopyBlock(destination, source, byteCount);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static void CopyBlock(ref byte destination, ref byte source, uint byteCount)
		{
			// IL cpblk instruction
			Unsafe.CopyBlock(ref destination, ref source, byteCount);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void CopyBlockUnaligned(void* destination, void* source, uint byteCount)
		{
			// IL cpblk instruction
			Unsafe.CopyBlockUnaligned(destination, source, byteCount);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static void CopyBlockUnaligned(ref byte destination, ref byte source, uint byteCount)
		{
			// IL cpblk instruction
			Unsafe.CopyBlockUnaligned(ref destination, ref source, byteCount);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void InitBlock(void* startAddress, byte value, uint byteCount)
		{
			// IL initblk instruction
			Unsafe.InitBlock(startAddress, value, byteCount);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static void InitBlock(ref byte startAddress, byte value, uint byteCount)
		{
			// IL initblk instruction
			Unsafe.InitBlock(ref startAddress, value, byteCount);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void InitBlockUnaligned(void* startAddress, byte value, uint byteCount)
		{
			// IL initblk instruction
			Unsafe.InitBlockUnaligned(startAddress, value, byteCount);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static void InitBlockUnaligned(ref byte startAddress, byte value, uint byteCount)
		{
			// IL initblk instruction
			Unsafe.InitBlockUnaligned(ref startAddress, value, byteCount);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static T As<T>(object o) where T : class
		{
			return (T)o;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static ref T AsRef<T>(void* source)
		{
			return ref *(T*)source;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static ref T AsRef<T>(in T source)
		{
			return ref source;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static ref TTo As<TFrom, TTo>(ref TFrom source)
		{
			return ref Unsafe.As<TFrom, TTo>(ref source);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static ref T Unbox<T>(object box) where T : struct
		{
			return ref (T)box;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static ref T Add<T>(ref T source, int elementOffset)
		{
			return ref Unsafe.Add(ref source, elementOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void* Add<T>(void* source, int elementOffset)
		{
			return (byte*)source + (nint)elementOffset * (nint)Unsafe.SizeOf<T>();
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static ref T Add<T>(ref T source, IntPtr elementOffset)
		{
			return ref Unsafe.Add(ref source, elementOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static ref T Add<T>(ref T source, [System.Runtime.Versioning.NonVersionable] nuint elementOffset)
		{
			return ref Unsafe.Add(ref source, elementOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static ref T AddByteOffset<T>(ref T source, IntPtr byteOffset)
		{
			return ref Unsafe.AddByteOffset(ref source, byteOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static ref T AddByteOffset<T>(ref T source, [System.Runtime.Versioning.NonVersionable] nuint byteOffset)
		{
			return ref Unsafe.AddByteOffset(ref source, byteOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static ref T Subtract<T>(ref T source, int elementOffset)
		{
			return ref Unsafe.Subtract(ref source, elementOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static void* Subtract<T>(void* source, int elementOffset)
		{
			return (byte*)source - (nint)elementOffset * (nint)Unsafe.SizeOf<T>();
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static ref T Subtract<T>(ref T source, IntPtr elementOffset)
		{
			return ref Unsafe.Subtract(ref source, elementOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static ref T Subtract<T>(ref T source, [System.Runtime.Versioning.NonVersionable] nuint elementOffset)
		{
			return ref Unsafe.Subtract(ref source, elementOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static ref T SubtractByteOffset<T>(ref T source, IntPtr byteOffset)
		{
			return ref Unsafe.SubtractByteOffset(ref source, byteOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static ref T SubtractByteOffset<T>(ref T source, [System.Runtime.Versioning.NonVersionable] nuint byteOffset)
		{
			return ref Unsafe.SubtractByteOffset(ref source, byteOffset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static IntPtr ByteOffset<T>(ref T origin, ref T target)
		{
			return Unsafe.ByteOffset(target: ref target, origin: ref origin);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static bool AreSame<T>(ref T left, ref T right)
		{
			return Unsafe.AreSame(ref left, ref right);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static bool IsAddressGreaterThan<T>(ref T left, ref T right)
		{
			return Unsafe.IsAddressGreaterThan(ref left, ref right);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public static bool IsAddressLessThan<T>(ref T left, ref T right)
		{
			return Unsafe.IsAddressLessThan(ref left, ref right);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static bool IsNullRef<T>(ref T source)
		{
			return Unsafe.AsPointer(ref source) == null;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[System.Runtime.Versioning.NonVersionable]
		public unsafe static ref T NullRef<T>()
		{
			return ref *(T*)null;
		}
	}
}
namespace System.Runtime.Versioning
{
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
	internal sealed class NonVersionableAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	internal sealed class IsReadOnlyAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	[Microsoft.CodeAnalysis.Embedded]
	[CompilerGenerated]
	internal sealed class NativeIntegerAttribute : Attribute
	{
		public readonly bool[] TransformFlags;

		public NativeIntegerAttribute()
		{
			TransformFlags = new bool[1] { true };
		}

		public NativeIntegerAttribute(bool[] A_0)
		{
			TransformFlags = A_0;
		}
	}
}
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}

plugins/System.Text.Encodings.Web.dll

Decompiled a year ago
using System;
using System.Buffers;
using System.Buffers.Binary;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Numerics;
using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using System.Text.Encodings.Web;
using System.Text.Unicode;
using System.Threading;
using FxResources.System.Text.Encodings.Web;
using Microsoft.CodeAnalysis;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: AssemblyMetadata("PreferInbox", "True")]
[assembly: AssemblyDefaultAlias("System.Text.Encodings.Web")]
[assembly: NeutralResourcesLanguage("en-US")]
[assembly: CLSCompliant(true)]
[assembly: AssemblyMetadata("IsTrimmable", "True")]
[assembly: DefaultDllImportSearchPaths(DllImportSearchPath.System32 | DllImportSearchPath.AssemblyDirectory)]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyCopyright("© Microsoft Corporation. All rights reserved.")]
[assembly: AssemblyDescription("Provides types for encoding and escaping strings for use in JavaScript, HyperText Markup Language (HTML), and uniform resource locators (URL).\r\n\r\nCommonly Used Types:\r\nSystem.Text.Encodings.Web.HtmlEncoder\r\nSystem.Text.Encodings.Web.UrlEncoder\r\nSystem.Text.Encodings.Web.JavaScriptEncoder")]
[assembly: AssemblyFileVersion("7.0.22.51805")]
[assembly: AssemblyInformationalVersion("7.0.0+d099f075e45d2aa6007a22b71b45a08758559f80")]
[assembly: AssemblyProduct("Microsoft® .NET")]
[assembly: AssemblyTitle("System.Text.Encodings.Web")]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/dotnet/runtime")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("7.0.0.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
[module: System.Runtime.CompilerServices.NullablePublicOnly(false)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsReadOnlyAttribute : Attribute
	{
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsByRefLikeAttribute : Attribute
	{
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class NullablePublicOnlyAttribute : Attribute
	{
		public readonly bool IncludesInternals;

		public NullablePublicOnlyAttribute(bool P_0)
		{
			IncludesInternals = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NativeIntegerAttribute : Attribute
	{
		public readonly bool[] TransformFlags;

		public NativeIntegerAttribute()
		{
			TransformFlags = new bool[1] { true };
		}

		public NativeIntegerAttribute(bool[] P_0)
		{
			TransformFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
}
namespace FxResources.System.Text.Encodings.Web
{
	internal static class SR
	{
	}
}
namespace System
{
	internal static class HexConverter
	{
		public enum Casing : uint
		{
			Upper = 0u,
			Lower = 8224u
		}

		public static ReadOnlySpan<byte> CharToHexLookup => new byte[256]
		{
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 0, 1,
			2, 3, 4, 5, 6, 7, 8, 9, 255, 255,
			255, 255, 255, 255, 255, 10, 11, 12, 13, 14,
			15, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 10, 11, 12,
			13, 14, 15, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255
		};

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static void ToBytesBuffer(byte value, Span<byte> buffer, int startingIndex = 0, Casing casing = Casing.Upper)
		{
			uint num = (uint)(((value & 0xF0) << 4) + (value & 0xF) - 35209);
			uint num2 = ((((0 - num) & 0x7070) >> 4) + num + 47545) | (uint)casing;
			buffer[startingIndex + 1] = (byte)num2;
			buffer[startingIndex] = (byte)(num2 >> 8);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static void ToCharsBuffer(byte value, Span<char> buffer, int startingIndex = 0, Casing casing = Casing.Upper)
		{
			uint num = (uint)(((value & 0xF0) << 4) + (value & 0xF) - 35209);
			uint num2 = ((((0 - num) & 0x7070) >> 4) + num + 47545) | (uint)casing;
			buffer[startingIndex + 1] = (char)(num2 & 0xFFu);
			buffer[startingIndex] = (char)(num2 >> 8);
		}

		public static void EncodeToUtf16(ReadOnlySpan<byte> bytes, Span<char> chars, Casing casing = Casing.Upper)
		{
			for (int i = 0; i < bytes.Length; i++)
			{
				ToCharsBuffer(bytes[i], chars, i * 2, casing);
			}
		}

		public static string ToString(ReadOnlySpan<byte> bytes, Casing casing = Casing.Upper)
		{
			Span<char> span = ((bytes.Length <= 16) ? stackalloc char[bytes.Length * 2] : new char[bytes.Length * 2].AsSpan());
			Span<char> buffer = span;
			int num = 0;
			ReadOnlySpan<byte> readOnlySpan = bytes;
			for (int i = 0; i < readOnlySpan.Length; i++)
			{
				byte value = readOnlySpan[i];
				ToCharsBuffer(value, buffer, num, casing);
				num += 2;
			}
			return buffer.ToString();
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static char ToCharUpper(int value)
		{
			value &= 0xF;
			value += 48;
			if (value > 57)
			{
				value += 7;
			}
			return (char)value;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static char ToCharLower(int value)
		{
			value &= 0xF;
			value += 48;
			if (value > 57)
			{
				value += 39;
			}
			return (char)value;
		}

		public static bool TryDecodeFromUtf16(ReadOnlySpan<char> chars, Span<byte> bytes)
		{
			int charsProcessed;
			return TryDecodeFromUtf16(chars, bytes, out charsProcessed);
		}

		public static bool TryDecodeFromUtf16(ReadOnlySpan<char> chars, Span<byte> bytes, out int charsProcessed)
		{
			int num = 0;
			int num2 = 0;
			int num3 = 0;
			int num4 = 0;
			while (num2 < bytes.Length)
			{
				num3 = FromChar(chars[num + 1]);
				num4 = FromChar(chars[num]);
				if ((num3 | num4) == 255)
				{
					break;
				}
				bytes[num2++] = (byte)((num4 << 4) | num3);
				num += 2;
			}
			if (num3 == 255)
			{
				num++;
			}
			charsProcessed = num;
			return (num3 | num4) != 255;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int FromChar(int c)
		{
			if (c < CharToHexLookup.Length)
			{
				return CharToHexLookup[c];
			}
			return 255;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int FromUpperChar(int c)
		{
			if (c <= 71)
			{
				return CharToHexLookup[c];
			}
			return 255;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int FromLowerChar(int c)
		{
			switch (c)
			{
			case 48:
			case 49:
			case 50:
			case 51:
			case 52:
			case 53:
			case 54:
			case 55:
			case 56:
			case 57:
				return c - 48;
			case 97:
			case 98:
			case 99:
			case 100:
			case 101:
			case 102:
				return c - 97 + 10;
			default:
				return 255;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsHexChar(int c)
		{
			if (IntPtr.Size == 8)
			{
				ulong num = (uint)(c - 48);
				ulong num2 = (ulong)(-17875860044349952L << (int)num);
				ulong num3 = num - 64;
				if ((long)(num2 & num3) >= 0L)
				{
					return false;
				}
				return true;
			}
			return FromChar(c) != 255;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsHexUpperChar(int c)
		{
			if ((uint)(c - 48) > 9u)
			{
				return (uint)(c - 65) <= 5u;
			}
			return true;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsHexLowerChar(int c)
		{
			if ((uint)(c - 48) > 9u)
			{
				return (uint)(c - 97) <= 5u;
			}
			return true;
		}
	}
	internal static class SR
	{
		private static readonly bool s_usingResourceKeys = AppContext.TryGetSwitch("System.Resources.UseSystemResourceKeys", out var isEnabled) && isEnabled;

		private static ResourceManager s_resourceManager;

		internal static ResourceManager ResourceManager => s_resourceManager ?? (s_resourceManager = new ResourceManager(typeof(SR)));

		internal static string TextEncoderDoesNotImplementMaxOutputCharsPerInputChar => GetResourceString("TextEncoderDoesNotImplementMaxOutputCharsPerInputChar");

		private static bool UsingResourceKeys()
		{
			return s_usingResourceKeys;
		}

		internal static string GetResourceString(string resourceKey)
		{
			if (UsingResourceKeys())
			{
				return resourceKey;
			}
			string result = null;
			try
			{
				result = ResourceManager.GetString(resourceKey);
			}
			catch (MissingManifestResourceException)
			{
			}
			return result;
		}

		internal static string GetResourceString(string resourceKey, string defaultString)
		{
			string resourceString = GetResourceString(resourceKey);
			if (!(resourceKey == resourceString) && resourceString != null)
			{
				return resourceString;
			}
			return defaultString;
		}

		internal static string Format(string resourceFormat, object p1)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1);
			}
			return string.Format(resourceFormat, p1);
		}

		internal static string Format(string resourceFormat, object p1, object p2)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2);
			}
			return string.Format(resourceFormat, p1, p2);
		}

		internal static string Format(string resourceFormat, object p1, object p2, object p3)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2, p3);
			}
			return string.Format(resourceFormat, p1, p2, p3);
		}

		internal static string Format(string resourceFormat, params object[] args)
		{
			if (args != null)
			{
				if (UsingResourceKeys())
				{
					return resourceFormat + ", " + string.Join(", ", args);
				}
				return string.Format(resourceFormat, args);
			}
			return resourceFormat;
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, object p1)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1);
			}
			return string.Format(provider, resourceFormat, p1);
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, object p1, object p2)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2);
			}
			return string.Format(provider, resourceFormat, p1, p2);
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, object p1, object p2, object p3)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2, p3);
			}
			return string.Format(provider, resourceFormat, p1, p2, p3);
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, params object[] args)
		{
			if (args != null)
			{
				if (UsingResourceKeys())
				{
					return resourceFormat + ", " + string.Join(", ", args);
				}
				return string.Format(provider, resourceFormat, args);
			}
			return resourceFormat;
		}
	}
}
namespace System.Diagnostics.CodeAnalysis
{
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class AllowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class DisallowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	internal sealed class MaybeNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	internal sealed class NotNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class MaybeNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public MaybeNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class NotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public NotNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter | AttributeTargets.ReturnValue, AllowMultiple = true, Inherited = false)]
	internal sealed class NotNullIfNotNullAttribute : Attribute
	{
		public string ParameterName { get; }

		public NotNullIfNotNullAttribute(string parameterName)
		{
			ParameterName = parameterName;
		}
	}
	[AttributeUsage(AttributeTargets.Method, Inherited = false)]
	internal sealed class DoesNotReturnAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class DoesNotReturnIfAttribute : Attribute
	{
		public bool ParameterValue { get; }

		public DoesNotReturnIfAttribute(bool parameterValue)
		{
			ParameterValue = parameterValue;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	internal sealed class MemberNotNullAttribute : Attribute
	{
		public string[] Members { get; }

		public MemberNotNullAttribute(string member)
		{
			Members = new string[1] { member };
		}

		public MemberNotNullAttribute(params string[] members)
		{
			Members = members;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	internal sealed class MemberNotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public string[] Members { get; }

		public MemberNotNullWhenAttribute(bool returnValue, string member)
		{
			ReturnValue = returnValue;
			Members = new string[1] { member };
		}

		public MemberNotNullWhenAttribute(bool returnValue, params string[] members)
		{
			ReturnValue = returnValue;
			Members = members;
		}
	}
}
namespace System.Runtime.InteropServices
{
	[AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
	internal sealed class LibraryImportAttribute : Attribute
	{
		public string LibraryName { get; }

		public string EntryPoint { get; set; }

		public StringMarshalling StringMarshalling { get; set; }

		public Type StringMarshallingCustomType { get; set; }

		public bool SetLastError { get; set; }

		public LibraryImportAttribute(string libraryName)
		{
			LibraryName = libraryName;
		}
	}
	internal enum StringMarshalling
	{
		Custom,
		Utf8,
		Utf16
	}
}
namespace System.Numerics
{
	internal static class BitOperations
	{
		private static ReadOnlySpan<byte> Log2DeBruijn => new byte[32]
		{
			0, 9, 1, 10, 13, 21, 2, 29, 11, 14,
			16, 18, 22, 25, 3, 30, 8, 12, 20, 28,
			15, 17, 24, 7, 19, 27, 23, 6, 26, 5,
			4, 31
		};

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int Log2(uint value)
		{
			return Log2SoftwareFallback(value | 1u);
		}

		private static int Log2SoftwareFallback(uint value)
		{
			value |= value >> 1;
			value |= value >> 2;
			value |= value >> 4;
			value |= value >> 8;
			value |= value >> 16;
			return Unsafe.AddByteOffset(ref MemoryMarshal.GetReference(Log2DeBruijn), (nint)(value * 130329821 >> 27));
		}
	}
}
namespace System.Text
{
	internal static class UnicodeDebug
	{
		[Conditional("DEBUG")]
		internal static void AssertIsBmpCodePoint(uint codePoint)
		{
			System.Text.UnicodeUtility.IsBmpCodePoint(codePoint);
		}

		[Conditional("DEBUG")]
		internal static void AssertIsHighSurrogateCodePoint(uint codePoint)
		{
			System.Text.UnicodeUtility.IsHighSurrogateCodePoint(codePoint);
		}

		[Conditional("DEBUG")]
		internal static void AssertIsLowSurrogateCodePoint(uint codePoint)
		{
			System.Text.UnicodeUtility.IsLowSurrogateCodePoint(codePoint);
		}

		[Conditional("DEBUG")]
		internal static void AssertIsValidCodePoint(uint codePoint)
		{
			System.Text.UnicodeUtility.IsValidCodePoint(codePoint);
		}

		[Conditional("DEBUG")]
		internal static void AssertIsValidScalar(uint scalarValue)
		{
			System.Text.UnicodeUtility.IsValidUnicodeScalar(scalarValue);
		}

		[Conditional("DEBUG")]
		internal static void AssertIsValidSupplementaryPlaneScalar(uint scalarValue)
		{
			if (System.Text.UnicodeUtility.IsValidUnicodeScalar(scalarValue))
			{
				System.Text.UnicodeUtility.IsBmpCodePoint(scalarValue);
			}
		}

		private static string ToHexString(uint codePoint)
		{
			return FormattableString.Invariant($"U+{codePoint:X4}");
		}
	}
	internal static class UnicodeUtility
	{
		public const uint ReplacementChar = 65533u;

		public static int GetPlane(uint codePoint)
		{
			return (int)(codePoint >> 16);
		}

		public static uint GetScalarFromUtf16SurrogatePair(uint highSurrogateCodePoint, uint lowSurrogateCodePoint)
		{
			return (highSurrogateCodePoint << 10) + lowSurrogateCodePoint - 56613888;
		}

		public static int GetUtf16SequenceLength(uint value)
		{
			value -= 65536;
			value += 33554432;
			value >>= 24;
			return (int)value;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static void GetUtf16SurrogatesFromSupplementaryPlaneScalar(uint value, out char highSurrogateCodePoint, out char lowSurrogateCodePoint)
		{
			highSurrogateCodePoint = (char)(value + 56557568 >> 10);
			lowSurrogateCodePoint = (char)((value & 0x3FF) + 56320);
		}

		public static int GetUtf8SequenceLength(uint value)
		{
			int num = (int)(value - 2048) >> 31;
			value ^= 0xF800u;
			value -= 63616;
			value += 67108864;
			value >>= 24;
			return (int)value + num * 2;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsAsciiCodePoint(uint value)
		{
			return value <= 127;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsBmpCodePoint(uint value)
		{
			return value <= 65535;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsHighSurrogateCodePoint(uint value)
		{
			return IsInRangeInclusive(value, 55296u, 56319u);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsInRangeInclusive(uint value, uint lowerBound, uint upperBound)
		{
			return value - lowerBound <= upperBound - lowerBound;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsLowSurrogateCodePoint(uint value)
		{
			return IsInRangeInclusive(value, 56320u, 57343u);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsSurrogateCodePoint(uint value)
		{
			return IsInRangeInclusive(value, 55296u, 57343u);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsValidCodePoint(uint codePoint)
		{
			return codePoint <= 1114111;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsValidUnicodeScalar(uint value)
		{
			return ((value - 1114112) ^ 0xD800) >= 4293855232u;
		}
	}
	internal ref struct ValueStringBuilder
	{
		private char[] _arrayToReturnToPool;

		private Span<char> _chars;

		private int _pos;

		public int Length
		{
			get
			{
				return _pos;
			}
			set
			{
				_pos = value;
			}
		}

		public int Capacity => _chars.Length;

		public ref char this[int index] => ref _chars[index];

		public Span<char> RawChars => _chars;

		public ValueStringBuilder(Span<char> initialBuffer)
		{
			_arrayToReturnToPool = null;
			_chars = initialBuffer;
			_pos = 0;
		}

		public ValueStringBuilder(int initialCapacity)
		{
			_arrayToReturnToPool = ArrayPool<char>.Shared.Rent(initialCapacity);
			_chars = _arrayToReturnToPool;
			_pos = 0;
		}

		public void EnsureCapacity(int capacity)
		{
			if ((uint)capacity > (uint)_chars.Length)
			{
				Grow(capacity - _pos);
			}
		}

		public ref char GetPinnableReference()
		{
			return ref MemoryMarshal.GetReference(_chars);
		}

		public ref char GetPinnableReference(bool terminate)
		{
			if (terminate)
			{
				EnsureCapacity(Length + 1);
				_chars[Length] = '\0';
			}
			return ref MemoryMarshal.GetReference(_chars);
		}

		public override string ToString()
		{
			string result = _chars.Slice(0, _pos).ToString();
			Dispose();
			return result;
		}

		public ReadOnlySpan<char> AsSpan(bool terminate)
		{
			if (terminate)
			{
				EnsureCapacity(Length + 1);
				_chars[Length] = '\0';
			}
			return _chars.Slice(0, _pos);
		}

		public ReadOnlySpan<char> AsSpan()
		{
			return _chars.Slice(0, _pos);
		}

		public ReadOnlySpan<char> AsSpan(int start)
		{
			return _chars.Slice(start, _pos - start);
		}

		public ReadOnlySpan<char> AsSpan(int start, int length)
		{
			return _chars.Slice(start, length);
		}

		public bool TryCopyTo(Span<char> destination, out int charsWritten)
		{
			if (_chars.Slice(0, _pos).TryCopyTo(destination))
			{
				charsWritten = _pos;
				Dispose();
				return true;
			}
			charsWritten = 0;
			Dispose();
			return false;
		}

		public void Insert(int index, char value, int count)
		{
			if (_pos > _chars.Length - count)
			{
				Grow(count);
			}
			int length = _pos - index;
			_chars.Slice(index, length).CopyTo(_chars.Slice(index + count));
			_chars.Slice(index, count).Fill(value);
			_pos += count;
		}

		public void Insert(int index, string s)
		{
			if (s != null)
			{
				int length = s.Length;
				if (_pos > _chars.Length - length)
				{
					Grow(length);
				}
				int length2 = _pos - index;
				_chars.Slice(index, length2).CopyTo(_chars.Slice(index + length));
				s.AsSpan().CopyTo(_chars.Slice(index));
				_pos += length;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public void Append(char c)
		{
			int pos = _pos;
			if ((uint)pos < (uint)_chars.Length)
			{
				_chars[pos] = c;
				_pos = pos + 1;
			}
			else
			{
				GrowAndAppend(c);
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public void Append(string s)
		{
			if (s != null)
			{
				int pos = _pos;
				if (s.Length == 1 && (uint)pos < (uint)_chars.Length)
				{
					_chars[pos] = s[0];
					_pos = pos + 1;
				}
				else
				{
					AppendSlow(s);
				}
			}
		}

		private void AppendSlow(string s)
		{
			int pos = _pos;
			if (pos > _chars.Length - s.Length)
			{
				Grow(s.Length);
			}
			s.AsSpan().CopyTo(_chars.Slice(pos));
			_pos += s.Length;
		}

		public void Append(char c, int count)
		{
			if (_pos > _chars.Length - count)
			{
				Grow(count);
			}
			Span<char> span = _chars.Slice(_pos, count);
			for (int i = 0; i < span.Length; i++)
			{
				span[i] = c;
			}
			_pos += count;
		}

		public unsafe void Append(char* value, int length)
		{
			int pos = _pos;
			if (pos > _chars.Length - length)
			{
				Grow(length);
			}
			Span<char> span = _chars.Slice(_pos, length);
			for (int i = 0; i < span.Length; i++)
			{
				span[i] = *(value++);
			}
			_pos += length;
		}

		public void Append(ReadOnlySpan<char> value)
		{
			int pos = _pos;
			if (pos > _chars.Length - value.Length)
			{
				Grow(value.Length);
			}
			value.CopyTo(_chars.Slice(_pos));
			_pos += value.Length;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public Span<char> AppendSpan(int length)
		{
			int pos = _pos;
			if (pos > _chars.Length - length)
			{
				Grow(length);
			}
			_pos = pos + length;
			return _chars.Slice(pos, length);
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private void GrowAndAppend(char c)
		{
			Grow(1);
			Append(c);
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private void Grow(int additionalCapacityBeyondPos)
		{
			int minimumLength = (int)Math.Max((uint)(_pos + additionalCapacityBeyondPos), Math.Min((uint)(_chars.Length * 2), 2147483591u));
			char[] array = ArrayPool<char>.Shared.Rent(minimumLength);
			_chars.Slice(0, _pos).CopyTo(array);
			char[] arrayToReturnToPool = _arrayToReturnToPool;
			_chars = (_arrayToReturnToPool = array);
			if (arrayToReturnToPool != null)
			{
				ArrayPool<char>.Shared.Return(arrayToReturnToPool);
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public void Dispose()
		{
			char[] arrayToReturnToPool = _arrayToReturnToPool;
			this = default(System.Text.ValueStringBuilder);
			if (arrayToReturnToPool != null)
			{
				ArrayPool<char>.Shared.Return(arrayToReturnToPool);
			}
		}
	}
	internal readonly struct Rune : IEquatable<Rune>
	{
		private const int MaxUtf16CharsPerRune = 2;

		private const char HighSurrogateStart = '\ud800';

		private const char LowSurrogateStart = '\udc00';

		private const int HighSurrogateRange = 1023;

		private readonly uint _value;

		public bool IsAscii => System.Text.UnicodeUtility.IsAsciiCodePoint(_value);

		public bool IsBmp => System.Text.UnicodeUtility.IsBmpCodePoint(_value);

		public static Rune ReplacementChar => UnsafeCreate(65533u);

		public int Utf16SequenceLength => System.Text.UnicodeUtility.GetUtf16SequenceLength(_value);

		public int Value => (int)_value;

		public Rune(uint value)
		{
			if (!System.Text.UnicodeUtility.IsValidUnicodeScalar(value))
			{
				ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.value);
			}
			_value = value;
		}

		public Rune(int value)
			: this((uint)value)
		{
		}

		private Rune(uint scalarValue, bool unused)
		{
			_value = scalarValue;
		}

		public static bool operator ==(Rune left, Rune right)
		{
			return left._value == right._value;
		}

		public static bool operator !=(Rune left, Rune right)
		{
			return left._value != right._value;
		}

		public static bool IsControl(Rune value)
		{
			return ((value._value + 1) & 0xFFFFFF7Fu) <= 32;
		}

		public static OperationStatus DecodeFromUtf16(ReadOnlySpan<char> source, out Rune result, out int charsConsumed)
		{
			if (!source.IsEmpty)
			{
				char c = source[0];
				if (TryCreate(c, out result))
				{
					charsConsumed = 1;
					return OperationStatus.Done;
				}
				if (1u < (uint)source.Length)
				{
					char lowSurrogate = source[1];
					if (TryCreate(c, lowSurrogate, out result))
					{
						charsConsumed = 2;
						return OperationStatus.Done;
					}
				}
				else if (char.IsHighSurrogate(c))
				{
					goto IL_004c;
				}
				charsConsumed = 1;
				result = ReplacementChar;
				return OperationStatus.InvalidData;
			}
			goto IL_004c;
			IL_004c:
			charsConsumed = source.Length;
			result = ReplacementChar;
			return OperationStatus.NeedMoreData;
		}

		public static OperationStatus DecodeFromUtf8(ReadOnlySpan<byte> source, out Rune result, out int bytesConsumed)
		{
			int num = 0;
			uint num2;
			if ((uint)num < (uint)source.Length)
			{
				num2 = source[num];
				if (System.Text.UnicodeUtility.IsAsciiCodePoint(num2))
				{
					goto IL_0021;
				}
				if (System.Text.UnicodeUtility.IsInRangeInclusive(num2, 194u, 244u))
				{
					num2 = num2 - 194 << 6;
					num++;
					if ((uint)num >= (uint)source.Length)
					{
						goto IL_0163;
					}
					int num3 = (sbyte)source[num];
					if (num3 < -64)
					{
						num2 += (uint)num3;
						num2 += 128;
						num2 += 128;
						if (num2 < 2048)
						{
							goto IL_0021;
						}
						if (System.Text.UnicodeUtility.IsInRangeInclusive(num2, 2080u, 3343u) && !System.Text.UnicodeUtility.IsInRangeInclusive(num2, 2912u, 2943u) && !System.Text.UnicodeUtility.IsInRangeInclusive(num2, 3072u, 3087u))
						{
							num++;
							if ((uint)num >= (uint)source.Length)
							{
								goto IL_0163;
							}
							num3 = (sbyte)source[num];
							if (num3 < -64)
							{
								num2 <<= 6;
								num2 += (uint)num3;
								num2 += 128;
								num2 -= 131072;
								if (num2 > 65535)
								{
									num++;
									if ((uint)num >= (uint)source.Length)
									{
										goto IL_0163;
									}
									num3 = (sbyte)source[num];
									if (num3 >= -64)
									{
										goto IL_0153;
									}
									num2 <<= 6;
									num2 += (uint)num3;
									num2 += 128;
									num2 -= 4194304;
								}
								goto IL_0021;
							}
						}
					}
				}
				else
				{
					num = 1;
				}
				goto IL_0153;
			}
			goto IL_0163;
			IL_0021:
			bytesConsumed = num + 1;
			result = UnsafeCreate(num2);
			return OperationStatus.Done;
			IL_0153:
			bytesConsumed = num;
			result = ReplacementChar;
			return OperationStatus.InvalidData;
			IL_0163:
			bytesConsumed = num;
			result = ReplacementChar;
			return OperationStatus.NeedMoreData;
		}

		public override bool Equals([NotNullWhen(true)] object obj)
		{
			if (obj is Rune other)
			{
				return Equals(other);
			}
			return false;
		}

		public bool Equals(Rune other)
		{
			return this == other;
		}

		public override int GetHashCode()
		{
			return Value;
		}

		public static bool TryCreate(char ch, out Rune result)
		{
			if (!System.Text.UnicodeUtility.IsSurrogateCodePoint(ch))
			{
				result = UnsafeCreate(ch);
				return true;
			}
			result = default(Rune);
			return false;
		}

		public static bool TryCreate(char highSurrogate, char lowSurrogate, out Rune result)
		{
			uint num = (uint)(highSurrogate - 55296);
			uint num2 = (uint)(lowSurrogate - 56320);
			if ((num | num2) <= 1023)
			{
				result = UnsafeCreate((uint)((int)(num << 10) + (lowSurrogate - 56320) + 65536));
				return true;
			}
			result = default(Rune);
			return false;
		}

		public bool TryEncodeToUtf16(Span<char> destination, out int charsWritten)
		{
			if (destination.Length >= 1)
			{
				if (IsBmp)
				{
					destination[0] = (char)_value;
					charsWritten = 1;
					return true;
				}
				if (destination.Length >= 2)
				{
					System.Text.UnicodeUtility.GetUtf16SurrogatesFromSupplementaryPlaneScalar(_value, out destination[0], out destination[1]);
					charsWritten = 2;
					return true;
				}
			}
			charsWritten = 0;
			return false;
		}

		public bool TryEncodeToUtf8(Span<byte> destination, out int bytesWritten)
		{
			if (destination.Length >= 1)
			{
				if (IsAscii)
				{
					destination[0] = (byte)_value;
					bytesWritten = 1;
					return true;
				}
				if (destination.Length >= 2)
				{
					if (_value <= 2047)
					{
						destination[0] = (byte)(_value + 12288 >> 6);
						destination[1] = (byte)((_value & 0x3F) + 128);
						bytesWritten = 2;
						return true;
					}
					if (destination.Length >= 3)
					{
						if (_value <= 65535)
						{
							destination[0] = (byte)(_value + 917504 >> 12);
							destination[1] = (byte)(((_value & 0xFC0) >> 6) + 128);
							destination[2] = (byte)((_value & 0x3F) + 128);
							bytesWritten = 3;
							return true;
						}
						if (destination.Length >= 4)
						{
							destination[0] = (byte)(_value + 62914560 >> 18);
							destination[1] = (byte)(((_value & 0x3F000) >> 12) + 128);
							destination[2] = (byte)(((_value & 0xFC0) >> 6) + 128);
							destination[3] = (byte)((_value & 0x3F) + 128);
							bytesWritten = 4;
							return true;
						}
					}
				}
			}
			bytesWritten = 0;
			return false;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static Rune UnsafeCreate(uint scalarValue)
		{
			return new Rune(scalarValue, unused: false);
		}
	}
}
namespace System.Text.Unicode
{
	internal static class UnicodeHelpers
	{
		internal const int UNICODE_LAST_CODEPOINT = 1114111;

		private static ReadOnlySpan<byte> DefinedCharsBitmapSpan => new byte[8192]
		{
			0, 0, 0, 0, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 127, 0, 0, 0, 0,
			254, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 252, 240, 215, 255, 255, 251, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 254, 255, 255, 255,
			127, 254, 255, 255, 255, 255, 255, 231, 254, 255,
			255, 255, 255, 255, 255, 0, 255, 255, 255, 135,
			31, 0, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 191, 255, 255, 255, 255,
			255, 255, 255, 231, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 3, 0, 255, 255,
			255, 255, 255, 255, 255, 231, 255, 255, 255, 255,
			255, 63, 255, 127, 255, 255, 255, 79, 255, 7,
			255, 255, 255, 127, 3, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 239, 159, 249, 255, 255, 253,
			197, 243, 159, 121, 128, 176, 207, 255, 255, 127,
			238, 135, 249, 255, 255, 253, 109, 211, 135, 57,
			2, 94, 192, 255, 127, 0, 238, 191, 251, 255,
			255, 253, 237, 243, 191, 59, 1, 0, 207, 255,
			3, 254, 238, 159, 249, 255, 255, 253, 237, 243,
			159, 57, 224, 176, 207, 255, 255, 0, 236, 199,
			61, 214, 24, 199, 255, 195, 199, 61, 129, 0,
			192, 255, 255, 7, 255, 223, 253, 255, 255, 253,
			255, 243, 223, 61, 96, 39, 207, 255, 128, 255,
			255, 223, 253, 255, 255, 253, 239, 243, 223, 61,
			96, 96, 207, 255, 6, 0, 255, 223, 253, 255,
			255, 255, 255, 255, 223, 253, 240, 255, 207, 255,
			255, 255, 238, 255, 127, 252, 255, 255, 251, 47,
			127, 132, 95, 255, 192, 255, 28, 0, 254, 255,
			255, 255, 255, 255, 255, 135, 255, 255, 255, 15,
			0, 0, 0, 0, 214, 247, 255, 255, 175, 255,
			255, 63, 95, 63, 255, 243, 0, 0, 0, 0,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 254,
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			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
			0, 0, 0, 0, 0, 0, 0, 0, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 63, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 3, 0, 0,
			0, 0, 127, 0, 248, 224, 255, 255, 127, 95,
			219, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 7, 0, 248, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 252, 255, 255, 255, 255, 255,
			255, 128, 0, 0, 0, 0, 255, 255, 255, 255,
			255, 3, 255, 255, 255, 255, 255, 255, 247, 255,
			127, 15, 223, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 31,
			254, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 127, 252, 252, 252, 28, 127, 127,
			0, 62
		};

		internal static ReadOnlySpan<byte> GetDefinedBmpCodePointsBitmapLittleEndian()
		{
			return DefinedCharsBitmapSpan;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static void GetUtf16SurrogatePairFromAstralScalarValue(uint scalar, out char highSurrogate, out char lowSurrogate)
		{
			highSurrogate = (char)(scalar + 56557568 >> 10);
			lowSurrogate = (char)((scalar & 0x3FF) + 56320);
		}

		internal static int GetUtf8RepresentationForScalarValue(uint scalar)
		{
			if (scalar <= 127)
			{
				return (byte)scalar;
			}
			if (scalar <= 2047)
			{
				byte b = (byte)(0xC0u | (scalar >> 6));
				byte b2 = (byte)(0x80u | (scalar & 0x3Fu));
				return (b2 << 8) | b;
			}
			if (scalar <= 65535)
			{
				byte b3 = (byte)(0xE0u | (scalar >> 12));
				byte b4 = (byte)(0x80u | ((scalar >> 6) & 0x3Fu));
				byte b5 = (byte)(0x80u | (scalar & 0x3Fu));
				return (((b5 << 8) | b4) << 8) | b3;
			}
			byte b6 = (byte)(0xF0u | (scalar >> 18));
			byte b7 = (byte)(0x80u | ((scalar >> 12) & 0x3Fu));
			byte b8 = (byte)(0x80u | ((scalar >> 6) & 0x3Fu));
			byte b9 = (byte)(0x80u | (scalar & 0x3Fu));
			return (((((b9 << 8) | b8) << 8) | b7) << 8) | b6;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static bool IsSupplementaryCodePoint(int scalar)
		{
			return (scalar & -65536) != 0;
		}
	}
	public sealed class UnicodeRange
	{
		public int FirstCodePoint { get; private set; }

		public int Length { get; private set; }

		public UnicodeRange(int firstCodePoint, int length)
		{
			if (firstCodePoint < 0 || firstCodePoint > 65535)
			{
				throw new ArgumentOutOfRangeException("firstCodePoint");
			}
			if (length < 0 || (long)firstCodePoint + (long)length > 65536)
			{
				throw new ArgumentOutOfRangeException("length");
			}
			FirstCodePoint = firstCodePoint;
			Length = length;
		}

		public static UnicodeRange Create(char firstCharacter, char lastCharacter)
		{
			if (lastCharacter < firstCharacter)
			{
				throw new ArgumentOutOfRangeException("lastCharacter");
			}
			return new UnicodeRange(firstCharacter, 1 + (lastCharacter - firstCharacter));
		}
	}
	public static class UnicodeRanges
	{
		private static UnicodeRange _none;

		private static UnicodeRange _all;

		private static UnicodeRange _u0000;

		private static UnicodeRange _u0080;

		private static UnicodeRange _u0100;

		private static UnicodeRange _u0180;

		private static UnicodeRange _u0250;

		private static UnicodeRange _u02B0;

		private static UnicodeRange _u0300;

		private static UnicodeRange _u0370;

		private static UnicodeRange _u0400;

		private static UnicodeRange _u0500;

		private static UnicodeRange _u0530;

		private static UnicodeRange _u0590;

		private static UnicodeRange _u0600;

		private static UnicodeRange _u0700;

		private static UnicodeRange _u0750;

		private static UnicodeRange _u0780;

		private static UnicodeRange _u07C0;

		private static UnicodeRange _u0800;

		private static UnicodeRange _u0840;

		private static UnicodeRange _u0860;

		private static UnicodeRange _u0870;

		private static UnicodeRange _u08A0;

		private static UnicodeRange _u0900;

		private static UnicodeRange _u0980;

		private static UnicodeRange _u0A00;

		private static UnicodeRange _u0A80;

		private static UnicodeRange _u0B00;

		private static UnicodeRange _u0B80;

		private static UnicodeRange _u0C00;

		private static UnicodeRange _u0C80;

		private static UnicodeRange _u0D00;

		private static UnicodeRange _u0D80;

		private static UnicodeRange _u0E00;

		private static UnicodeRange _u0E80;

		private static UnicodeRange _u0F00;

		private static UnicodeRange _u1000;

		private static UnicodeRange _u10A0;

		private static UnicodeRange _u1100;

		private static UnicodeRange _u1200;

		private static UnicodeRange _u1380;

		private static UnicodeRange _u13A0;

		private static UnicodeRange _u1400;

		private static UnicodeRange _u1680;

		private static UnicodeRange _u16A0;

		private static UnicodeRange _u1700;

		private static UnicodeRange _u1720;

		private static UnicodeRange _u1740;

		private static UnicodeRange _u1760;

		private static UnicodeRange _u1780;

		private static UnicodeRange _u1800;

		private static UnicodeRange _u18B0;

		private static UnicodeRange _u1900;

		private static UnicodeRange _u1950;

		private static UnicodeRange _u1980;

		private static UnicodeRange _u19E0;

		private static UnicodeRange _u1A00;

		private static UnicodeRange _u1A20;

		private static UnicodeRange _u1AB0;

		private static UnicodeRange _u1B00;

		private static UnicodeRange _u1B80;

		private static UnicodeRange _u1BC0;

		private static UnicodeRange _u1C00;

		private static UnicodeRange _u1C50;

		private static UnicodeRange _u1C80;

		private static UnicodeRange _u1C90;

		private static UnicodeRange _u1CC0;

		private static UnicodeRange _u1CD0;

		private static UnicodeRange _u1D00;

		private static UnicodeRange _u1D80;

		private static UnicodeRange _u1DC0;

		private static UnicodeRange _u1E00;

		private static UnicodeRange _u1F00;

		private static UnicodeRange _u2000;

		private static UnicodeRange _u2070;

		private static UnicodeRange _u20A0;

		private static UnicodeRange _u20D0;

		private static UnicodeRange _u2100;

		private static UnicodeRange _u2150;

		private static UnicodeRange _u2190;

		private static UnicodeRange _u2200;

		private static UnicodeRange _u2300;

		private static UnicodeRange _u2400;

		private static UnicodeRange _u2440;

		private static UnicodeRange _u2460;

		private static UnicodeRange _u2500;

		private static UnicodeRange _u2580;

		private static UnicodeRange _u25A0;

		private static UnicodeRange _u2600;

		private static UnicodeRange _u2700;

		private static UnicodeRange _u27C0;

		private static UnicodeRange _u27F0;

		private static UnicodeRange _u2800;

		private static UnicodeRange _u2900;

		private static UnicodeRange _u2980;

		private static UnicodeRange _u2A00;

		private static UnicodeRange _u2B00;

		private static UnicodeRange _u2C00;

		private static UnicodeRange _u2C60;

		private static UnicodeRange _u2C80;

		private static UnicodeRange _u2D00;

		private static UnicodeRange _u2D30;

		private static UnicodeRange _u2D80;

		private static UnicodeRange _u2DE0;

		private static UnicodeRange _u2E00;

		private static UnicodeRange _u2E80;

		private static UnicodeRange _u2F00;

		private static UnicodeRange _u2FF0;

		private static UnicodeRange _u3000;

		private static UnicodeRange _u3040;

		private static UnicodeRange _u30A0;

		private static UnicodeRange _u3100;

		private static UnicodeRange _u3130;

		private static UnicodeRange _u3190;

		private static UnicodeRange _u31A0;

		private static UnicodeRange _u31C0;

		private static UnicodeRange _u31F0;

		private static UnicodeRange _u3200;

		private static UnicodeRange _u3300;

		private static UnicodeRange _u3400;

		private static UnicodeRange _u4DC0;

		private static UnicodeRange _u4E00;

		private static UnicodeRange _uA000;

		private static UnicodeRange _uA490;

		private static UnicodeRange _uA4D0;

		private static UnicodeRange _uA500;

		private static UnicodeRange _uA640;

		private static UnicodeRange _uA6A0;

		private static UnicodeRange _uA700;

		private static UnicodeRange _uA720;

		private static UnicodeRange _uA800;

		private static UnicodeRange _uA830;

		private static UnicodeRange _uA840;

		private static UnicodeRange _uA880;

		private static UnicodeRange _uA8E0;

		private static UnicodeRange _uA900;

		private static UnicodeRange _uA930;

		private static UnicodeRange _uA960;

		private static UnicodeRange _uA980;

		private static UnicodeRange _uA9E0;

		private static UnicodeRange _uAA00;

		private static UnicodeRange _uAA60;

		private static UnicodeRange _uAA80;

		private static UnicodeRange _uAAE0;

		private static UnicodeRange _uAB00;

		private static UnicodeRange _uAB30;

		private static UnicodeRange _uAB70;

		private static UnicodeRange _uABC0;

		private static UnicodeRange _uAC00;

		private static UnicodeRange _uD7B0;

		private static UnicodeRange _uF900;

		private static UnicodeRange _uFB00;

		private static UnicodeRange _uFB50;

		private static UnicodeRange _uFE00;

		private static UnicodeRange _uFE10;

		private static UnicodeRange _uFE20;

		private static UnicodeRange _uFE30;

		private static UnicodeRange _uFE50;

		private static UnicodeRange _uFE70;

		private static UnicodeRange _uFF00;

		private static UnicodeRange _uFFF0;

		public static UnicodeRange None => _none ?? CreateEmptyRange(ref _none);

		public static UnicodeRange All => _all ?? CreateRange(ref _all, '\0', '\uffff');

		public static UnicodeRange BasicLatin => _u0000 ?? CreateRange(ref _u0000, '\0', '\u007f');

		public static UnicodeRange Latin1Supplement => _u0080 ?? CreateRange(ref _u0080, '\u0080', 'ÿ');

		public static UnicodeRange LatinExtendedA => _u0100 ?? CreateRange(ref _u0100, 'Ā', 'ſ');

		public static UnicodeRange LatinExtendedB => _u0180 ?? CreateRange(ref _u0180, 'ƀ', 'ɏ');

		public static UnicodeRange IpaExtensions => _u0250 ?? CreateRange(ref _u0250, 'ɐ', 'ʯ');

		public static UnicodeRange SpacingModifierLetters => _u02B0 ?? CreateRange(ref _u02B0, 'ʰ', '\u02ff');

		public static UnicodeRange CombiningDiacriticalMarks => _u0300 ?? CreateRange(ref _u0300, '\u0300', '\u036f');

		public static UnicodeRange GreekandCoptic => _u0370 ?? CreateRange(ref _u0370, 'Ͱ', 'Ͽ');

		public static UnicodeRange Cyrillic => _u0400 ?? CreateRange(ref _u0400, 'Ѐ', 'ӿ');

		public static UnicodeRange CyrillicSupplement => _u0500 ?? CreateRange(ref _u0500, 'Ԁ', 'ԯ');

		public static UnicodeRange Armenian => _u0530 ?? CreateRange(ref _u0530, '\u0530', '֏');

		public static UnicodeRange Hebrew => _u0590 ?? CreateRange(ref _u0590, '\u0590', '\u05ff');

		public static UnicodeRange Arabic => _u0600 ?? CreateRange(ref _u0600, '\u0600', 'ۿ');

		public static UnicodeRange Syriac => _u0700 ?? CreateRange(ref _u0700, '܀', 'ݏ');

		public static UnicodeRange ArabicSupplement => _u0750 ?? CreateRange(ref _u0750, 'ݐ', 'ݿ');

		public static UnicodeRange Thaana => _u0780 ?? CreateRange(ref _u0780, 'ހ', '\u07bf');

		public static UnicodeRange NKo => _u07C0 ?? CreateRange(ref _u07C0, '߀', '߿');

		public static UnicodeRange Samaritan => _u0800 ?? CreateRange(ref _u0800, 'ࠀ', '\u083f');

		public static UnicodeRange Mandaic => _u0840 ?? CreateRange(ref _u0840, 'ࡀ', '\u085f');

		public static UnicodeRange SyriacSupplement => _u0860 ?? CreateRange(ref _u0860, 'ࡠ', '\u086f');

		public static UnicodeRange ArabicExtendedB => _u0870 ?? CreateRange(ref _u0870, '\u0870', '\u089f');

		public static UnicodeRange ArabicExtendedA => _u08A0 ?? CreateRange(ref _u08A0, 'ࢠ', '\u08ff');

		public static UnicodeRange Devanagari => _u0900 ?? CreateRange(ref _u0900, '\u0900', 'ॿ');

		public static UnicodeRange Bengali => _u0980 ?? CreateRange(ref _u0980, 'ঀ', '\u09ff');

		public static UnicodeRange Gurmukhi => _u0A00 ?? CreateRange(ref _u0A00, '\u0a00', '\u0a7f');

		public static UnicodeRange Gujarati => _u0A80 ?? CreateRange(ref _u0A80, '\u0a80', '\u0aff');

		public static UnicodeRange Oriya => _u0B00 ?? CreateRange(ref _u0B00, '\u0b00', '\u0b7f');

		public static UnicodeRange Tamil => _u0B80 ?? CreateRange(ref _u0B80, '\u0b80', '\u0bff');

		public static UnicodeRange Telugu => _u0C00 ?? CreateRange(ref _u0C00, '\u0c00', '౿');

		public static UnicodeRange Kannada => _u0C80 ?? CreateRange(ref _u0C80, 'ಀ', '\u0cff');

		public static UnicodeRange Malayalam => _u0D00 ?? CreateRange(ref _u0D00, '\u0d00', 'ൿ');

		public static UnicodeRange Sinhala => _u0D80 ?? CreateRange(ref _u0D80, '\u0d80', '\u0dff');

		public static UnicodeRange Thai => _u0E00 ?? CreateRange(ref _u0E00, '\u0e00', '\u0e7f');

		public static UnicodeRange Lao => _u0E80 ?? CreateRange(ref _u0E80, '\u0e80', '\u0eff');

		public static UnicodeRange Tibetan => _u0F00 ?? CreateRange(ref _u0F00, 'ༀ', '\u0fff');

		public static UnicodeRange Myanmar => _u1000 ?? CreateRange(ref _u1000, 'က', '႟');

		public static UnicodeRange Georgian => _u10A0 ?? CreateRange(ref _u10A0, 'Ⴀ', 'ჿ');

		public static UnicodeRange HangulJamo => _u1100 ?? CreateRange(ref _u1100, 'ᄀ', 'ᇿ');

		public static UnicodeRange Ethiopic => _u1200 ?? CreateRange(ref _u1200, 'ሀ', '\u137f');

		public static UnicodeRange EthiopicSupplement => _u1380 ?? CreateRange(ref _u1380, 'ᎀ', '\u139f');

		public static UnicodeRange Cherokee => _u13A0 ?? CreateRange(ref _u13A0, 'Ꭰ', '\u13ff');

		public static UnicodeRange UnifiedCanadianAboriginalSyllabics => _u1400 ?? CreateRange(ref _u1400, '᐀', 'ᙿ');

		public static UnicodeRange Ogham => _u1680 ?? CreateRange(ref _u1680, '\u1680', '\u169f');

		public static UnicodeRange Runic => _u16A0 ?? CreateRange(ref _u16A0, 'ᚠ', '\u16ff');

		public static UnicodeRange Tagalog => _u1700 ?? CreateRange(ref _u1700, 'ᜀ', '\u171f');

		public static UnicodeRange Hanunoo => _u1720 ?? CreateRange(ref _u1720, 'ᜠ', '\u173f');

		public static UnicodeRange Buhid => _u1740 ?? CreateRange(ref _u1740, 'ᝀ', '\u175f');

		public static UnicodeRange Tagbanwa => _u1760 ?? CreateRange(ref _u1760, 'ᝠ', '\u177f');

		public static UnicodeRange Khmer => _u1780 ?? CreateRange(ref _u1780, 'ក', '\u17ff');

		public static UnicodeRange Mongolian => _u1800 ?? CreateRange(ref _u1800, '᠀', '\u18af');

		public static UnicodeRange UnifiedCanadianAboriginalSyllabicsExtended => _u18B0 ?? CreateRange(ref _u18B0, 'ᢰ', '\u18ff');

		public static UnicodeRange Limbu => _u1900 ?? CreateRange(ref _u1900, 'ᤀ', '᥏');

		public static UnicodeRange TaiLe => _u1950 ?? CreateRange(ref _u1950, 'ᥐ', '\u197f');

		public static UnicodeRange NewTaiLue => _u1980 ?? CreateRange(ref _u1980, 'ᦀ', '᧟');

		public static UnicodeRange KhmerSymbols => _u19E0 ?? CreateRange(ref _u19E0, '᧠', '᧿');

		public static UnicodeRange Buginese => _u1A00 ?? CreateRange(ref _u1A00, 'ᨀ', '᨟');

		public static UnicodeRange TaiTham => _u1A20 ?? CreateRange(ref _u1A20, 'ᨠ', '\u1aaf');

		public static UnicodeRange CombiningDiacriticalMarksExtended => _u1AB0 ?? CreateRange(ref _u1AB0, '\u1ab0', '\u1aff');

		public static UnicodeRange Balinese => _u1B00 ?? CreateRange(ref _u1B00, '\u1b00', '\u1b7f');

		public static UnicodeRange Sundanese => _u1B80 ?? CreateRange(ref _u1B80, '\u1b80', 'ᮿ');

		public static UnicodeRange Batak => _u1BC0 ?? CreateRange(ref _u1BC0, 'ᯀ', '᯿');

		public static UnicodeRange Lepcha => _u1C00 ?? CreateRange(ref _u1C00, 'ᰀ', 'ᱏ');

		public static UnicodeRange OlChiki => _u1C50 ?? CreateRange(ref _u1C50, '᱐', '᱿');

		public static UnicodeRange CyrillicExtendedC => _u1C80 ?? CreateRange(ref _u1C80, 'ᲀ', '\u1c8f');

		public static UnicodeRange GeorgianExtended => _u1C90 ?? CreateRange(ref _u1C90, 'Ა', 'Ჿ');

		public static UnicodeRange SundaneseSupplement => _u1CC0 ?? CreateRange(ref _u1CC0, '᳀', '\u1ccf');

		public static UnicodeRange VedicExtensions => _u1CD0 ?? CreateRange(ref _u1CD0, '\u1cd0', '\u1cff');

		public static UnicodeRange PhoneticExtensions => _u1D00 ?? CreateRange(ref _u1D00, 'ᴀ', 'ᵿ');

		public static UnicodeRange PhoneticExtensionsSupplement => _u1D80 ?? CreateRange(ref _u1D80, 'ᶀ', 'ᶿ');

		public static UnicodeRange CombiningDiacriticalMarksSupplement => _u1DC0 ?? CreateRange(ref _u1DC0, '\u1dc0', '\u1dff');

		public static UnicodeRange LatinExtendedAdditional => _u1E00 ?? CreateRange(ref _u1E00, 'Ḁ', 'ỿ');

		public static UnicodeRange GreekExtended => _u1F00 ?? CreateRange(ref _u1F00, 'ἀ', '\u1fff');

		public static UnicodeRange GeneralPunctuation => _u2000 ?? CreateRange(ref _u2000, '\u2000', '\u206f');

		public static UnicodeRange SuperscriptsandSubscripts => _u2070 ?? CreateRange(ref _u2070, '⁰', '\u209f');

		public static UnicodeRange CurrencySymbols => _u20A0 ?? CreateRange(ref _u20A0, '₠', '\u20cf');

		public static UnicodeRange CombiningDiacriticalMarksforSymbols => _u20D0 ?? CreateRange(ref _u20D0, '\u20d0', '\u20ff');

		public static UnicodeRange LetterlikeSymbols => _u2100 ?? CreateRange(ref _u2100, '℀', '⅏');

		public static UnicodeRange NumberForms => _u2150 ?? CreateRange(ref _u2150, '⅐', '\u218f');

		public static UnicodeRange Arrows => _u2190 ?? CreateRange(ref _u2190, '←', '⇿');

		public static UnicodeRange MathematicalOperators => _u2200 ?? CreateRange(ref _u2200, '∀', '⋿');

		public static UnicodeRange MiscellaneousTechnical => _u2300 ?? CreateRange(ref _u2300, '⌀', '⏿');

		public static UnicodeRange ControlPictures => _u2400 ?? CreateRange(ref _u2400, '␀', '\u243f');

		public static UnicodeRange OpticalCharacterRecognition => _u2440 ?? CreateRange(ref _u2440, '⑀', '\u245f');

		public static UnicodeRange EnclosedAlphanumerics => _u2460 ?? CreateRange(ref _u2460, '①', '⓿');

		public static UnicodeRange BoxDrawing => _u2500 ?? CreateRange(ref _u2500, '─', '╿');

		public static UnicodeRange BlockElements => _u2580 ?? CreateRange(ref _u2580, '▀', '▟');

		public static UnicodeRange GeometricShapes => _u25A0 ?? CreateRange(ref _u25A0, '■', '◿');

		public static UnicodeRange MiscellaneousSymbols => _u2600 ?? CreateRange(ref _u2600, '☀', '⛿');

		public static UnicodeRange Dingbats => _u2700 ?? CreateRange(ref _u2700, '✀', '➿');

		public static UnicodeRange MiscellaneousMathematicalSymbolsA => _u27C0 ?? CreateRange(ref _u27C0, '⟀', '⟯');

		public static UnicodeRange SupplementalArrowsA => _u27F0 ?? CreateRange(ref _u27F0, '⟰', '⟿');

		public static UnicodeRange BraillePatterns => _u2800 ?? CreateRange(ref _u2800, '⠀', '⣿');

		public static UnicodeRange SupplementalArrowsB => _u2900 ?? CreateRange(ref _u2900, '⤀', '⥿');

		public static UnicodeRange MiscellaneousMathematicalSymbolsB => _u2980 ?? CreateRange(ref _u2980, '⦀', '⧿');

		public static UnicodeRange SupplementalMathematicalOperators => _u2A00 ?? CreateRange(ref _u2A00, '⨀', '⫿');

		public static UnicodeRange MiscellaneousSymbolsandArrows => _u2B00 ?? CreateRange(ref _u2B00, '⬀', '⯿');

		public static UnicodeRange Glagolitic => _u2C00 ?? CreateRange(ref _u2C00, 'Ⰰ', '\u2c5f');

		public static UnicodeRange LatinExtendedC => _u2C60 ?? CreateRange(ref _u2C60, 'Ⱡ', 'Ɀ');

		public static UnicodeRange Coptic => _u2C80 ?? CreateRange(ref _u2C80, 'Ⲁ', '⳿');

		public static UnicodeRange GeorgianSupplement => _u2D00 ?? CreateRange(ref _u2D00, 'ⴀ', '\u2d2f');

		public static UnicodeRange Tifinagh => _u2D30 ?? CreateRange(ref _u2D30, 'ⴰ', '\u2d7f');

		public static UnicodeRange EthiopicExtended => _u2D80 ?? CreateRange(ref _u2D80, 'ⶀ', '\u2ddf');

		public static UnicodeRange CyrillicExtendedA => _u2DE0 ?? CreateRange(ref _u2DE0, '\u2de0', '\u2dff');

		public static UnicodeRange SupplementalPunctuation => _u2E00 ?? CreateRange(ref _u2E00, '⸀', '\u2e7f');

		public static UnicodeRange CjkRadicalsSupplement => _u2E80 ?? CreateRange(ref _u2E80, '⺀', '\u2eff');

		public static UnicodeRange KangxiRadicals => _u2F00 ?? CreateRange(ref _u2F00, '⼀', '\u2fdf');

		public static UnicodeRange IdeographicDescriptionCharacters => _u2FF0 ?? CreateRange(ref _u2FF0, '⿰', '\u2fff');

		public static UnicodeRange CjkSymbolsandPunctuation => _u3000 ?? CreateRange(ref _u3000, '\u3000', '〿');

		public static UnicodeRange Hiragana => _u3040 ?? CreateRange(ref _u3040, '\u3040', 'ゟ');

		public static UnicodeRange Katakana => _u30A0 ?? CreateRange(ref _u30A0, '゠', 'ヿ');

		public static UnicodeRange Bopomofo => _u3100 ?? CreateRange(ref _u3100, '\u3100', 'ㄯ');

		public static UnicodeRange HangulCompatibilityJamo => _u3130 ?? CreateRange(ref _u3130, '\u3130', '\u318f');

		public static UnicodeRange Kanbun => _u3190 ?? CreateRange(ref _u3190, '㆐', '㆟');

		public static UnicodeRange BopomofoExtended => _u31A0 ?? CreateRange(ref _u31A0, 'ㆠ', 'ㆿ');

		public static UnicodeRange CjkStrokes => _u31C0 ?? CreateRange(ref _u31C0, '㇀', '\u31ef');

		public static UnicodeRange KatakanaPhoneticExtensions => _u31F0 ?? CreateRange(ref _u31F0, 'ㇰ', 'ㇿ');

		public static UnicodeRange EnclosedCjkLettersandMonths => _u3200 ?? CreateRange(ref _u3200, '㈀', '㋿');

		public static UnicodeRange CjkCompatibility => _u3300 ?? CreateRange(ref _u3300, '㌀', '㏿');

		public static UnicodeRange CjkUnifiedIdeographsExtensionA => _u3400 ?? CreateRange(ref _u3400, '㐀', '䶿');

		public static UnicodeRange YijingHexagramSymbols => _u4DC0 ?? CreateRange(ref _u4DC0, '䷀', '䷿');

		public static UnicodeRange CjkUnifiedIdeographs => _u4E00 ?? CreateRange(ref _u4E00, '一', '\u9fff');

		public static UnicodeRange YiSyllables => _uA000 ?? CreateRange(ref _uA000, 'ꀀ', '\ua48f');

		public static UnicodeRange YiRadicals => _uA490 ?? CreateRange(ref _uA490, '꒐', '\ua4cf');

		public static UnicodeRange Lisu => _uA4D0 ?? CreateRange(ref _uA4D0, 'ꓐ', '꓿');

		public static UnicodeRange Vai => _uA500 ?? CreateRange(ref _uA500, 'ꔀ', '\ua63f');

		public static UnicodeRange CyrillicExtendedB => _uA640 ?? CreateRange(ref _uA640, 'Ꙁ', '\ua69f');

		public static UnicodeRange Bamum => _uA6A0 ?? CreateRange(ref _uA6A0, 'ꚠ', '\ua6ff');

		public static UnicodeRange ModifierToneLetters => _uA700 ?? CreateRange(ref _uA700, '\ua700', 'ꜟ');

		public static UnicodeRange LatinExtendedD => _uA720 ?? CreateRange(ref _uA720, '\ua720', 'ꟿ');

		public static UnicodeRange SylotiNagri => _uA800 ?? CreateRange(ref _uA800, 'ꠀ', '\ua82f');

		public static UnicodeRange CommonIndicNumberForms => _uA830 ?? CreateRange(ref _uA830, '꠰', '\ua83f');

		public static UnicodeRange Phagspa => _uA840 ?? CreateRange(ref _uA840, 'ꡀ', '\ua87f');

		public static UnicodeRange Saurashtra => _uA880 ?? CreateRange(ref _uA880, '\ua880', '\ua8df');

		public static UnicodeRange DevanagariExtended => _uA8E0 ?? CreateRange(ref _uA8E0, '\ua8e0', '\ua8ff');

		public static UnicodeRange KayahLi => _uA900 ?? CreateRange(ref _uA900, '꤀', '꤯');

		public static UnicodeRange Rejang => _uA930 ?? CreateRange(ref _uA930, 'ꤰ', '꥟');

		public static UnicodeRange HangulJamoExtendedA => _uA960 ?? CreateRange(ref _uA960, 'ꥠ', '\ua97f');

		public static UnicodeRange Javanese => _uA980 ?? CreateRange(ref _uA980, '\ua980', '꧟');

		public static UnicodeRange MyanmarExtendedB => _uA9E0 ?? CreateRange(ref _uA9E0, 'ꧠ', '\ua9ff');

		public static UnicodeRange Cham => _uAA00 ?? CreateRange(ref _uAA00, 'ꨀ', '꩟');

		public static UnicodeRange MyanmarExtendedA => _uAA60 ?? CreateRange(ref _uAA60, 'ꩠ', 'ꩿ');

		public static UnicodeRange TaiViet => _uAA80 ?? CreateRange(ref _uAA80, 'ꪀ', '꫟');

		public static UnicodeRange MeeteiMayekExtensions => _uAAE0 ?? CreateRange(ref _uAAE0, 'ꫠ', '\uaaff');

		public static UnicodeRange EthiopicExtendedA => _uAB00 ?? CreateRange(ref _uAB00, '\uab00', '\uab2f');

		public static UnicodeRange LatinExtendedE => _uAB30 ?? CreateRange(ref _uAB30, 'ꬰ', '\uab6f');

		public static UnicodeRange CherokeeSupplement => _uAB70 ?? CreateRange(ref _uAB70, 'ꭰ', 'ꮿ');

		public static UnicodeRange MeeteiMayek => _uABC0 ?? CreateRange(ref _uABC0, 'ꯀ', '\uabff');

		public static UnicodeRange HangulSyllables => _uAC00 ?? CreateRange(ref _uAC00, '가', '\ud7af');

		public static UnicodeRange HangulJamoExtendedB => _uD7B0 ?? CreateRange(ref _uD7B0, 'ힰ', '\ud7ff');

		public static UnicodeRange CjkCompatibilityIdeographs => _uF900 ?? CreateRange(ref _uF900, '豈', '\ufaff');

		public static UnicodeRange AlphabeticPresentationForms => _uFB00 ?? CreateRange(ref _uFB00, 'ff', 'ﭏ');

		public static UnicodeRange ArabicPresentationFormsA => _uFB50 ?? CreateRange(ref _uFB50, 'ﭐ', '\ufdff');

		public static UnicodeRange VariationSelectors => _uFE00 ?? CreateRange(ref _uFE00, '\ufe00', '\ufe0f');

		public static UnicodeRange VerticalForms => _uFE10 ?? CreateRange(ref _uFE10, '︐', '\ufe1f');

		public static UnicodeRange CombiningHalfMarks => _uFE20 ?? CreateRange(ref _uFE20, '\ufe20', '\ufe2f');

		public static UnicodeRange CjkCompatibilityForms => _uFE30 ?? CreateRange(ref _uFE30, '︰', '\ufe4f');

		public static UnicodeRange SmallFormVariants => _uFE50 ?? CreateRange(ref _uFE50, '﹐', '\ufe6f');

		public static UnicodeRange ArabicPresentationFormsB => _uFE70 ?? CreateRange(ref _uFE70, 'ﹰ', '\ufeff');

		public static UnicodeRange HalfwidthandFullwidthForms => _uFF00 ?? CreateRange(ref _uFF00, '\uff00', '\uffef');

		public static UnicodeRange Specials => _uFFF0 ?? CreateRange(ref _uFFF0, '\ufff0', '\uffff');

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static UnicodeRange CreateEmptyRange([NotNull] ref UnicodeRange range)
		{
			Volatile.Write(ref range, new UnicodeRange(0, 0));
			return range;
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static UnicodeRange CreateRange([NotNull] ref UnicodeRange range, char first, char last)
		{
			Volatile.Write(ref range, UnicodeRange.Create(first, last));
			return range;
		}
	}
}
namespace System.Text.Encodings.Web
{
	internal struct AsciiByteMap
	{
		private const int BufferSize = 128;

		private unsafe fixed byte Buffer[128];

		internal unsafe void InsertAsciiChar(char key, byte value)
		{
			if (key < '\u0080')
			{
				Buffer[(uint)key] = value;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal unsafe readonly bool TryLookup(Rune key, out byte value)
		{
			if (key.IsAscii)
			{
				byte b = Buffer[(uint)key.Value];
				if (b != 0)
				{
					value = b;
					return true;
				}
			}
			value = 0;
			return false;
		}
	}
	internal struct AllowedBmpCodePointsBitmap
	{
		private const int BitmapLengthInDWords = 2048;

		private unsafe fixed uint Bitmap[2048];

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public unsafe void AllowChar(char value)
		{
			_GetIndexAndOffset(value, out UIntPtr index, out int offset);
			ref uint reference = ref Bitmap[(ulong)index];
			reference |= (uint)(1 << offset);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public unsafe void ForbidChar(char value)
		{
			_GetIndexAndOffset(value, out UIntPtr index, out int offset);
			ref uint reference = ref Bitmap[(ulong)index];
			reference &= (uint)(~(1 << offset));
		}

		public void ForbidHtmlCharacters()
		{
			ForbidChar('<');
			ForbidChar('>');
			ForbidChar('&');
			ForbidChar('\'');
			ForbidChar('"');
			ForbidChar('+');
		}

		public unsafe void ForbidUndefinedCharacters()
		{
			fixed (uint* pointer = Bitmap)
			{
				ReadOnlySpan<byte> definedBmpCodePointsBitmapLittleEndian = UnicodeHelpers.GetDefinedBmpCodePointsBitmapLittleEndian();
				Span<uint> span = new Span<uint>(pointer, 2048);
				for (int i = 0; i < span.Length; i++)
				{
					span[i] &= BinaryPrimitives.ReadUInt32LittleEndian(definedBmpCodePointsBitmapLittleEndian.Slice(i * 4));
				}
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public unsafe readonly bool IsCharAllowed(char value)
		{
			_GetIndexAndOffset(value, out UIntPtr index, out int offset);
			if ((Bitmap[(ulong)index] & (uint)(1 << offset)) != 0)
			{
				return true;
			}
			return 

plugins/System.Text.Json.dll

Decompiled a year ago
using System;
using System.Buffers;
using System.Buffers.Text;
using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using System.Numerics;
using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
using System.Runtime.ExceptionServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using System.Text.Encodings.Web;
using System.Text.Json.Nodes;
using System.Text.Json.Reflection;
using System.Text.Json.Serialization;
using System.Text.Json.Serialization.Converters;
using System.Text.Json.Serialization.Metadata;
using System.Threading;
using System.Threading.Tasks;
using FxResources.System.Text.Json;
using Microsoft.CodeAnalysis;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: AssemblyMetadata("PreferInbox", "True")]
[assembly: AssemblyDefaultAlias("System.Text.Json")]
[assembly: NeutralResourcesLanguage("en-US")]
[assembly: CLSCompliant(true)]
[assembly: AssemblyMetadata("IsTrimmable", "True")]
[assembly: DefaultDllImportSearchPaths(DllImportSearchPath.System32 | DllImportSearchPath.AssemblyDirectory)]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyCopyright("© Microsoft Corporation. All rights reserved.")]
[assembly: AssemblyDescription("Provides high-performance and low-allocating types that serialize objects to JavaScript Object Notation (JSON) text and deserialize JSON text to objects, with UTF-8 support built-in. Also provides types to read and write JSON text encoded as UTF-8, and to create an in-memory document object model (DOM), that is read-only, for random access of the JSON elements within a structured view of the data.\r\n\r\nThe System.Text.Json library is built-in as part of the shared framework in .NET Runtime. The package can be installed when you need to use it in other target frameworks.")]
[assembly: AssemblyFileVersion("7.0.723.27404")]
[assembly: AssemblyInformationalVersion("7.0.7+5b20af47d99620150c53eaf5db8636fdf730b126")]
[assembly: AssemblyProduct("Microsoft® .NET")]
[assembly: AssemblyTitle("System.Text.Json")]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/dotnet/runtime")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("7.0.0.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
[module: System.Runtime.CompilerServices.NullablePublicOnly(false)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsReadOnlyAttribute : Attribute
	{
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsUnmanagedAttribute : Attribute
	{
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsByRefLikeAttribute : Attribute
	{
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class NullablePublicOnlyAttribute : Attribute
	{
		public readonly bool IncludesInternals;

		public NullablePublicOnlyAttribute(bool P_0)
		{
			IncludesInternals = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false, Inherited = false)]
	internal sealed class ScopedRefAttribute : Attribute
	{
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
}
namespace FxResources.System.Text.Json
{
	internal static class SR
	{
	}
}
namespace System
{
	internal static class HexConverter
	{
		public enum Casing : uint
		{
			Upper = 0u,
			Lower = 8224u
		}

		public static ReadOnlySpan<byte> CharToHexLookup => new byte[256]
		{
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 0, 1,
			2, 3, 4, 5, 6, 7, 8, 9, 255, 255,
			255, 255, 255, 255, 255, 10, 11, 12, 13, 14,
			15, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 10, 11, 12,
			13, 14, 15, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
			255, 255, 255, 255, 255, 255
		};

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static void ToBytesBuffer(byte value, Span<byte> buffer, int startingIndex = 0, Casing casing = Casing.Upper)
		{
			uint num = (uint)(((value & 0xF0) << 4) + (value & 0xF) - 35209);
			uint num2 = ((((0 - num) & 0x7070) >> 4) + num + 47545) | (uint)casing;
			buffer[startingIndex + 1] = (byte)num2;
			buffer[startingIndex] = (byte)(num2 >> 8);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static void ToCharsBuffer(byte value, Span<char> buffer, int startingIndex = 0, Casing casing = Casing.Upper)
		{
			uint num = (uint)(((value & 0xF0) << 4) + (value & 0xF) - 35209);
			uint num2 = ((((0 - num) & 0x7070) >> 4) + num + 47545) | (uint)casing;
			buffer[startingIndex + 1] = (char)(num2 & 0xFFu);
			buffer[startingIndex] = (char)(num2 >> 8);
		}

		public static void EncodeToUtf16(ReadOnlySpan<byte> bytes, Span<char> chars, Casing casing = Casing.Upper)
		{
			for (int i = 0; i < bytes.Length; i++)
			{
				ToCharsBuffer(bytes[i], chars, i * 2, casing);
			}
		}

		public static string ToString(ReadOnlySpan<byte> bytes, Casing casing = Casing.Upper)
		{
			Span<char> span = ((bytes.Length <= 16) ? stackalloc char[bytes.Length * 2] : new char[bytes.Length * 2].AsSpan());
			Span<char> buffer = span;
			int num = 0;
			ReadOnlySpan<byte> readOnlySpan = bytes;
			for (int i = 0; i < readOnlySpan.Length; i++)
			{
				byte value = readOnlySpan[i];
				ToCharsBuffer(value, buffer, num, casing);
				num += 2;
			}
			return buffer.ToString();
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static char ToCharUpper(int value)
		{
			value &= 0xF;
			value += 48;
			if (value > 57)
			{
				value += 7;
			}
			return (char)value;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static char ToCharLower(int value)
		{
			value &= 0xF;
			value += 48;
			if (value > 57)
			{
				value += 39;
			}
			return (char)value;
		}

		public static bool TryDecodeFromUtf16(ReadOnlySpan<char> chars, Span<byte> bytes)
		{
			int charsProcessed;
			return TryDecodeFromUtf16(chars, bytes, out charsProcessed);
		}

		public static bool TryDecodeFromUtf16(ReadOnlySpan<char> chars, Span<byte> bytes, out int charsProcessed)
		{
			int num = 0;
			int num2 = 0;
			int num3 = 0;
			int num4 = 0;
			while (num2 < bytes.Length)
			{
				num3 = FromChar(chars[num + 1]);
				num4 = FromChar(chars[num]);
				if ((num3 | num4) == 255)
				{
					break;
				}
				bytes[num2++] = (byte)((num4 << 4) | num3);
				num += 2;
			}
			if (num3 == 255)
			{
				num++;
			}
			charsProcessed = num;
			return (num3 | num4) != 255;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int FromChar(int c)
		{
			if (c < CharToHexLookup.Length)
			{
				return CharToHexLookup[c];
			}
			return 255;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int FromUpperChar(int c)
		{
			if (c <= 71)
			{
				return CharToHexLookup[c];
			}
			return 255;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static int FromLowerChar(int c)
		{
			switch (c)
			{
			case 48:
			case 49:
			case 50:
			case 51:
			case 52:
			case 53:
			case 54:
			case 55:
			case 56:
			case 57:
				return c - 48;
			case 97:
			case 98:
			case 99:
			case 100:
			case 101:
			case 102:
				return c - 97 + 10;
			default:
				return 255;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsHexChar(int c)
		{
			if (IntPtr.Size == 8)
			{
				ulong num = (uint)(c - 48);
				ulong num2 = (ulong)(-17875860044349952L << (int)num);
				ulong num3 = num - 64;
				if ((long)(num2 & num3) >= 0L)
				{
					return false;
				}
				return true;
			}
			return FromChar(c) != 255;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsHexUpperChar(int c)
		{
			if ((uint)(c - 48) > 9u)
			{
				return (uint)(c - 65) <= 5u;
			}
			return true;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public static bool IsHexLowerChar(int c)
		{
			if ((uint)(c - 48) > 9u)
			{
				return (uint)(c - 97) <= 5u;
			}
			return true;
		}
	}
	internal static class Obsoletions
	{
		internal const string SharedUrlFormat = "https://aka.ms/dotnet-warnings/{0}";

		internal const string SystemTextEncodingUTF7Message = "The UTF-7 encoding is insecure and should not be used. Consider using UTF-8 instead.";

		internal const string SystemTextEncodingUTF7DiagId = "SYSLIB0001";

		internal const string PrincipalPermissionAttributeMessage = "PrincipalPermissionAttribute is not honored by the runtime and must not be used.";

		internal const string PrincipalPermissionAttributeDiagId = "SYSLIB0002";

		internal const string CodeAccessSecurityMessage = "Code Access Security is not supported or honored by the runtime.";

		internal const string CodeAccessSecurityDiagId = "SYSLIB0003";

		internal const string ConstrainedExecutionRegionMessage = "The Constrained Execution Region (CER) feature is not supported.";

		internal const string ConstrainedExecutionRegionDiagId = "SYSLIB0004";

		internal const string GlobalAssemblyCacheMessage = "The Global Assembly Cache is not supported.";

		internal const string GlobalAssemblyCacheDiagId = "SYSLIB0005";

		internal const string ThreadAbortMessage = "Thread.Abort is not supported and throws PlatformNotSupportedException.";

		internal const string ThreadResetAbortMessage = "Thread.ResetAbort is not supported and throws PlatformNotSupportedException.";

		internal const string ThreadAbortDiagId = "SYSLIB0006";

		internal const string DefaultCryptoAlgorithmsMessage = "The default implementation of this cryptography algorithm is not supported.";

		internal const string DefaultCryptoAlgorithmsDiagId = "SYSLIB0007";

		internal const string CreatePdbGeneratorMessage = "The CreatePdbGenerator API is not supported and throws PlatformNotSupportedException.";

		internal const string CreatePdbGeneratorDiagId = "SYSLIB0008";

		internal const string AuthenticationManagerMessage = "The AuthenticationManager Authenticate and PreAuthenticate methods are not supported and throw PlatformNotSupportedException.";

		internal const string AuthenticationManagerDiagId = "SYSLIB0009";

		internal const string RemotingApisMessage = "This Remoting API is not supported and throws PlatformNotSupportedException.";

		internal const string RemotingApisDiagId = "SYSLIB0010";

		internal const string BinaryFormatterMessage = "BinaryFormatter serialization is obsolete and should not be used. See https://aka.ms/binaryformatter for more information.";

		internal const string BinaryFormatterDiagId = "SYSLIB0011";

		internal const string CodeBaseMessage = "Assembly.CodeBase and Assembly.EscapedCodeBase are only included for .NET Framework compatibility. Use Assembly.Location instead.";

		internal const string CodeBaseDiagId = "SYSLIB0012";

		internal const string EscapeUriStringMessage = "Uri.EscapeUriString can corrupt the Uri string in some cases. Consider using Uri.EscapeDataString for query string components instead.";

		internal const string EscapeUriStringDiagId = "SYSLIB0013";

		internal const string WebRequestMessage = "WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.";

		internal const string WebRequestDiagId = "SYSLIB0014";

		internal const string DisablePrivateReflectionAttributeMessage = "DisablePrivateReflectionAttribute has no effect in .NET 6.0+.";

		internal const string DisablePrivateReflectionAttributeDiagId = "SYSLIB0015";

		internal const string GetContextInfoMessage = "Use the Graphics.GetContextInfo overloads that accept arguments for better performance and fewer allocations.";

		internal const string GetContextInfoDiagId = "SYSLIB0016";

		internal const string StrongNameKeyPairMessage = "Strong name signing is not supported and throws PlatformNotSupportedException.";

		internal const string StrongNameKeyPairDiagId = "SYSLIB0017";

		internal const string ReflectionOnlyLoadingMessage = "ReflectionOnly loading is not supported and throws PlatformNotSupportedException.";

		internal const string ReflectionOnlyLoadingDiagId = "SYSLIB0018";

		internal const string RuntimeEnvironmentMessage = "RuntimeEnvironment members SystemConfigurationFile, GetRuntimeInterfaceAsIntPtr, and GetRuntimeInterfaceAsObject are not supported and throw PlatformNotSupportedException.";

		internal const string RuntimeEnvironmentDiagId = "SYSLIB0019";

		internal const string JsonSerializerOptionsIgnoreNullValuesMessage = "JsonSerializerOptions.IgnoreNullValues is obsolete. To ignore null values when serializing, set DefaultIgnoreCondition to JsonIgnoreCondition.WhenWritingNull.";

		internal const string JsonSerializerOptionsIgnoreNullValuesDiagId = "SYSLIB0020";

		internal const string DerivedCryptographicTypesMessage = "Derived cryptographic types are obsolete. Use the Create method on the base type instead.";

		internal const string DerivedCryptographicTypesDiagId = "SYSLIB0021";

		internal const string RijndaelMessage = "The Rijndael and RijndaelManaged types are obsolete. Use Aes instead.";

		internal const string RijndaelDiagId = "SYSLIB0022";

		internal const string RNGCryptoServiceProviderMessage = "RNGCryptoServiceProvider is obsolete. To generate a random number, use one of the RandomNumberGenerator static methods instead.";

		internal const string RNGCryptoServiceProviderDiagId = "SYSLIB0023";

		internal const string AppDomainCreateUnloadMessage = "Creating and unloading AppDomains is not supported and throws an exception.";

		internal const string AppDomainCreateUnloadDiagId = "SYSLIB0024";

		internal const string SuppressIldasmAttributeMessage = "SuppressIldasmAttribute has no effect in .NET 6.0+.";

		internal const string SuppressIldasmAttributeDiagId = "SYSLIB0025";

		internal const string X509CertificateImmutableMessage = "X509Certificate and X509Certificate2 are immutable. Use the appropriate constructor to create a new certificate.";

		internal const string X509CertificateImmutableDiagId = "SYSLIB0026";

		internal const string PublicKeyPropertyMessage = "PublicKey.Key is obsolete. Use the appropriate method to get the public key, such as GetRSAPublicKey.";

		internal const string PublicKeyPropertyDiagId = "SYSLIB0027";

		internal const string X509CertificatePrivateKeyMessage = "X509Certificate2.PrivateKey is obsolete. Use the appropriate method to get the private key, such as GetRSAPrivateKey, or use the CopyWithPrivateKey method to create a new instance with a private key.";

		internal const string X509CertificatePrivateKeyDiagId = "SYSLIB0028";

		internal const string ProduceLegacyHmacValuesMessage = "ProduceLegacyHmacValues is obsolete. Producing legacy HMAC values is not supported.";

		internal const string ProduceLegacyHmacValuesDiagId = "SYSLIB0029";

		internal const string UseManagedSha1Message = "HMACSHA1 always uses the algorithm implementation provided by the platform. Use a constructor without the useManagedSha1 parameter.";

		internal const string UseManagedSha1DiagId = "SYSLIB0030";

		internal const string CryptoConfigEncodeOIDMessage = "EncodeOID is obsolete. Use the ASN.1 functionality provided in System.Formats.Asn1.";

		internal const string CryptoConfigEncodeOIDDiagId = "SYSLIB0031";

		internal const string CorruptedStateRecoveryMessage = "Recovery from corrupted process state exceptions is not supported; HandleProcessCorruptedStateExceptionsAttribute is ignored.";

		internal const string CorruptedStateRecoveryDiagId = "SYSLIB0032";

		internal const string Rfc2898CryptDeriveKeyMessage = "Rfc2898DeriveBytes.CryptDeriveKey is obsolete and is not supported. Use PasswordDeriveBytes.CryptDeriveKey instead.";

		internal const string Rfc2898CryptDeriveKeyDiagId = "SYSLIB0033";

		internal const string CmsSignerCspParamsCtorMessage = "CmsSigner(CspParameters) is obsolete and is not supported. Use an alternative constructor instead.";

		internal const string CmsSignerCspParamsCtorDiagId = "SYSLIB0034";

		internal const string SignerInfoCounterSigMessage = "ComputeCounterSignature without specifying a CmsSigner is obsolete and is not supported. Use the overload that accepts a CmsSigner.";

		internal const string SignerInfoCounterSigDiagId = "SYSLIB0035";

		internal const string RegexCompileToAssemblyMessage = "Regex.CompileToAssembly is obsolete and not supported. Use the GeneratedRegexAttribute with the regular expression source generator instead.";

		internal const string RegexCompileToAssemblyDiagId = "SYSLIB0036";

		internal const string AssemblyNameMembersMessage = "AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete and not supported.";

		internal const string AssemblyNameMembersDiagId = "SYSLIB0037";

		internal const string SystemDataSerializationFormatBinaryMessage = "SerializationFormat.Binary is obsolete and should not be used. See https://aka.ms/serializationformat-binary-obsolete for more information.";

		internal const string SystemDataSerializationFormatBinaryDiagId = "SYSLIB0038";

		internal const string TlsVersion10and11Message = "TLS versions 1.0 and 1.1 have known vulnerabilities and are not recommended. Use a newer TLS version instead, or use SslProtocols.None to defer to OS defaults.";

		internal const string TlsVersion10and11DiagId = "SYSLIB0039";

		internal const string EncryptionPolicyMessage = "EncryptionPolicy.NoEncryption and AllowEncryption significantly reduce security and should not be used in production code.";

		internal const string EncryptionPolicyDiagId = "SYSLIB0040";

		internal const string Rfc2898OutdatedCtorMessage = "The default hash algorithm and iteration counts in Rfc2898DeriveBytes constructors are outdated and insecure. Use a constructor that accepts the hash algorithm and the number of iterations.";

		internal const string Rfc2898OutdatedCtorDiagId = "SYSLIB0041";

		internal const string EccXmlExportImportMessage = "ToXmlString and FromXmlString have no implementation for ECC types, and are obsolete. Use a standard import and export format such as ExportSubjectPublicKeyInfo or ImportSubjectPublicKeyInfo for public keys and ExportPkcs8PrivateKey or ImportPkcs8PrivateKey for private keys.";

		internal const string EccXmlExportImportDiagId = "SYSLIB0042";

		internal const string EcDhPublicKeyBlobMessage = "ECDiffieHellmanPublicKey.ToByteArray() and the associated constructor do not have a consistent and interoperable implementation on all platforms. Use ECDiffieHellmanPublicKey.ExportSubjectPublicKeyInfo() instead.";

		internal const string EcDhPublicKeyBlobDiagId = "SYSLIB0043";

		internal const string AssemblyNameCodeBaseMessage = "AssemblyName.CodeBase and AssemblyName.EscapedCodeBase are obsolete. Using them for loading an assembly is not supported.";

		internal const string AssemblyNameCodeBaseDiagId = "SYSLIB0044";

		internal const string CryptoStringFactoryMessage = "Cryptographic factory methods accepting an algorithm name are obsolete. Use the parameterless Create factory method on the algorithm type instead.";

		internal const string CryptoStringFactoryDiagId = "SYSLIB0045";

		internal const string ControlledExecutionRunMessage = "ControlledExecution.Run method may corrupt the process and should not be used in production code.";

		internal const string ControlledExecutionRunDiagId = "SYSLIB0046";

		internal const string XmlSecureResolverMessage = "XmlSecureResolver is obsolete. Use XmlResolver.ThrowingResolver instead when attempting to forbid XML external entity resolution.";

		internal const string XmlSecureResolverDiagId = "SYSLIB0047";
	}
	internal static class SR
	{
		private static readonly bool s_usingResourceKeys = AppContext.TryGetSwitch("System.Resources.UseSystemResourceKeys", out var isEnabled) && isEnabled;

		private static ResourceManager s_resourceManager;

		internal static ResourceManager ResourceManager => s_resourceManager ?? (s_resourceManager = new ResourceManager(typeof(SR)));

		internal static string ArrayDepthTooLarge => GetResourceString("ArrayDepthTooLarge");

		internal static string CallFlushToAvoidDataLoss => GetResourceString("CallFlushToAvoidDataLoss");

		internal static string CannotReadIncompleteUTF16 => GetResourceString("CannotReadIncompleteUTF16");

		internal static string CannotReadInvalidUTF16 => GetResourceString("CannotReadInvalidUTF16");

		internal static string CannotStartObjectArrayAfterPrimitiveOrClose => GetResourceString("CannotStartObjectArrayAfterPrimitiveOrClose");

		internal static string CannotStartObjectArrayWithoutProperty => GetResourceString("CannotStartObjectArrayWithoutProperty");

		internal static string CannotTranscodeInvalidUtf8 => GetResourceString("CannotTranscodeInvalidUtf8");

		internal static string CannotDecodeInvalidBase64 => GetResourceString("CannotDecodeInvalidBase64");

		internal static string CannotTranscodeInvalidUtf16 => GetResourceString("CannotTranscodeInvalidUtf16");

		internal static string CannotEncodeInvalidUTF16 => GetResourceString("CannotEncodeInvalidUTF16");

		internal static string CannotEncodeInvalidUTF8 => GetResourceString("CannotEncodeInvalidUTF8");

		internal static string CannotWritePropertyWithinArray => GetResourceString("CannotWritePropertyWithinArray");

		internal static string CannotWritePropertyAfterProperty => GetResourceString("CannotWritePropertyAfterProperty");

		internal static string CannotWriteValueAfterPrimitiveOrClose => GetResourceString("CannotWriteValueAfterPrimitiveOrClose");

		internal static string CannotWriteValueWithinObject => GetResourceString("CannotWriteValueWithinObject");

		internal static string DepthTooLarge => GetResourceString("DepthTooLarge");

		internal static string DestinationTooShort => GetResourceString("DestinationTooShort");

		internal static string EmptyJsonIsInvalid => GetResourceString("EmptyJsonIsInvalid");

		internal static string EndOfCommentNotFound => GetResourceString("EndOfCommentNotFound");

		internal static string EndOfStringNotFound => GetResourceString("EndOfStringNotFound");

		internal static string ExpectedEndAfterSingleJson => GetResourceString("ExpectedEndAfterSingleJson");

		internal static string ExpectedEndOfDigitNotFound => GetResourceString("ExpectedEndOfDigitNotFound");

		internal static string ExpectedFalse => GetResourceString("ExpectedFalse");

		internal static string ExpectedJsonTokens => GetResourceString("ExpectedJsonTokens");

		internal static string ExpectedOneCompleteToken => GetResourceString("ExpectedOneCompleteToken");

		internal static string ExpectedNextDigitEValueNotFound => GetResourceString("ExpectedNextDigitEValueNotFound");

		internal static string ExpectedNull => GetResourceString("ExpectedNull");

		internal static string ExpectedSeparatorAfterPropertyNameNotFound => GetResourceString("ExpectedSeparatorAfterPropertyNameNotFound");

		internal static string ExpectedStartOfPropertyNotFound => GetResourceString("ExpectedStartOfPropertyNotFound");

		internal static string ExpectedStartOfPropertyOrValueNotFound => GetResourceString("ExpectedStartOfPropertyOrValueNotFound");

		internal static string ExpectedStartOfValueNotFound => GetResourceString("ExpectedStartOfValueNotFound");

		internal static string ExpectedTrue => GetResourceString("ExpectedTrue");

		internal static string ExpectedValueAfterPropertyNameNotFound => GetResourceString("ExpectedValueAfterPropertyNameNotFound");

		internal static string FailedToGetLargerSpan => GetResourceString("FailedToGetLargerSpan");

		internal static string FoundInvalidCharacter => GetResourceString("FoundInvalidCharacter");

		internal static string InvalidCast => GetResourceString("InvalidCast");

		internal static string InvalidCharacterAfterEscapeWithinString => GetResourceString("InvalidCharacterAfterEscapeWithinString");

		internal static string InvalidCharacterWithinString => GetResourceString("InvalidCharacterWithinString");

		internal static string InvalidEndOfJsonNonPrimitive => GetResourceString("InvalidEndOfJsonNonPrimitive");

		internal static string InvalidHexCharacterWithinString => GetResourceString("InvalidHexCharacterWithinString");

		internal static string JsonDocumentDoesNotSupportComments => GetResourceString("JsonDocumentDoesNotSupportComments");

		internal static string JsonElementHasWrongType => GetResourceString("JsonElementHasWrongType");

		internal static string TypeInfoResolverImmutable => GetResourceString("TypeInfoResolverImmutable");

		internal static string TypeInfoImmutable => GetResourceString("TypeInfoImmutable");

		internal static string PropertyInfoImmutable => GetResourceString("PropertyInfoImmutable");

		internal static string MaxDepthMustBePositive => GetResourceString("MaxDepthMustBePositive");

		internal static string CommentHandlingMustBeValid => GetResourceString("CommentHandlingMustBeValid");

		internal static string MismatchedObjectArray => GetResourceString("MismatchedObjectArray");

		internal static string CannotWriteEndAfterProperty => GetResourceString("CannotWriteEndAfterProperty");

		internal static string ObjectDepthTooLarge => GetResourceString("ObjectDepthTooLarge");

		internal static string PropertyNameTooLarge => GetResourceString("PropertyNameTooLarge");

		internal static string FormatDecimal => GetResourceString("FormatDecimal");

		internal static string FormatDouble => GetResourceString("FormatDouble");

		internal static string FormatInt32 => GetResourceString("FormatInt32");

		internal static string FormatInt64 => GetResourceString("FormatInt64");

		internal static string FormatSingle => GetResourceString("FormatSingle");

		internal static string FormatUInt32 => GetResourceString("FormatUInt32");

		internal static string FormatUInt64 => GetResourceString("FormatUInt64");

		internal static string RequiredDigitNotFoundAfterDecimal => GetResourceString("RequiredDigitNotFoundAfterDecimal");

		internal static string RequiredDigitNotFoundAfterSign => GetResourceString("RequiredDigitNotFoundAfterSign");

		internal static string RequiredDigitNotFoundEndOfData => GetResourceString("RequiredDigitNotFoundEndOfData");

		internal static string SpecialNumberValuesNotSupported => GetResourceString("SpecialNumberValuesNotSupported");

		internal static string ValueTooLarge => GetResourceString("ValueTooLarge");

		internal static string ZeroDepthAtEnd => GetResourceString("ZeroDepthAtEnd");

		internal static string DeserializeUnableToConvertValue => GetResourceString("DeserializeUnableToConvertValue");

		internal static string DeserializeWrongType => GetResourceString("DeserializeWrongType");

		internal static string SerializationInvalidBufferSize => GetResourceString("SerializationInvalidBufferSize");

		internal static string BufferWriterAdvancedTooFar => GetResourceString("BufferWriterAdvancedTooFar");

		internal static string InvalidComparison => GetResourceString("InvalidComparison");

		internal static string UnsupportedFormat => GetResourceString("UnsupportedFormat");

		internal static string ExpectedStartOfPropertyOrValueAfterComment => GetResourceString("ExpectedStartOfPropertyOrValueAfterComment");

		internal static string TrailingCommaNotAllowedBeforeArrayEnd => GetResourceString("TrailingCommaNotAllowedBeforeArrayEnd");

		internal static string TrailingCommaNotAllowedBeforeObjectEnd => GetResourceString("TrailingCommaNotAllowedBeforeObjectEnd");

		internal static string SerializerOptionsImmutable => GetResourceString("SerializerOptionsImmutable");

		internal static string StreamNotWritable => GetResourceString("StreamNotWritable");

		internal static string CannotWriteCommentWithEmbeddedDelimiter => GetResourceString("CannotWriteCommentWithEmbeddedDelimiter");

		internal static string SerializerPropertyNameConflict => GetResourceString("SerializerPropertyNameConflict");

		internal static string SerializerPropertyNameNull => GetResourceString("SerializerPropertyNameNull");

		internal static string SerializationDataExtensionPropertyInvalid => GetResourceString("SerializationDataExtensionPropertyInvalid");

		internal static string SerializationDuplicateTypeAttribute => GetResourceString("SerializationDuplicateTypeAttribute");

		internal static string SerializationNotSupportedType => GetResourceString("SerializationNotSupportedType");

		internal static string TypeRequiresAsyncSerialization => GetResourceString("TypeRequiresAsyncSerialization");

		internal static string InvalidCharacterAtStartOfComment => GetResourceString("InvalidCharacterAtStartOfComment");

		internal static string UnexpectedEndOfDataWhileReadingComment => GetResourceString("UnexpectedEndOfDataWhileReadingComment");

		internal static string CannotSkip => GetResourceString("CannotSkip");

		internal static string NotEnoughData => GetResourceString("NotEnoughData");

		internal static string UnexpectedEndOfLineSeparator => GetResourceString("UnexpectedEndOfLineSeparator");

		internal static string JsonSerializerDoesNotSupportComments => GetResourceString("JsonSerializerDoesNotSupportComments");

		internal static string DeserializeNoConstructor => GetResourceString("DeserializeNoConstructor");

		internal static string DeserializePolymorphicInterface => GetResourceString("DeserializePolymorphicInterface");

		internal static string SerializationConverterOnAttributeNotCompatible => GetResourceString("SerializationConverterOnAttributeNotCompatible");

		internal static string SerializationConverterOnAttributeInvalid => GetResourceString("SerializationConverterOnAttributeInvalid");

		internal static string SerializationConverterRead => GetResourceString("SerializationConverterRead");

		internal static string SerializationConverterNotCompatible => GetResourceString("SerializationConverterNotCompatible");

		internal static string ResolverTypeNotCompatible => GetResourceString("ResolverTypeNotCompatible");

		internal static string ResolverTypeInfoOptionsNotCompatible => GetResourceString("ResolverTypeInfoOptionsNotCompatible");

		internal static string SerializationConverterWrite => GetResourceString("SerializationConverterWrite");

		internal static string NamingPolicyReturnNull => GetResourceString("NamingPolicyReturnNull");

		internal static string SerializationDuplicateAttribute => GetResourceString("SerializationDuplicateAttribute");

		internal static string SerializeUnableToSerialize => GetResourceString("SerializeUnableToSerialize");

		internal static string FormatByte => GetResourceString("FormatByte");

		internal static string FormatInt16 => GetResourceString("FormatInt16");

		internal static string FormatSByte => GetResourceString("FormatSByte");

		internal static string FormatUInt16 => GetResourceString("FormatUInt16");

		internal static string SerializerCycleDetected => GetResourceString("SerializerCycleDetected");

		internal static string InvalidLeadingZeroInNumber => GetResourceString("InvalidLeadingZeroInNumber");

		internal static string MetadataCannotParsePreservedObjectToImmutable => GetResourceString("MetadataCannotParsePreservedObjectToImmutable");

		internal static string MetadataDuplicateIdFound => GetResourceString("MetadataDuplicateIdFound");

		internal static string MetadataIdIsNotFirstProperty => GetResourceString("MetadataIdIsNotFirstProperty");

		internal static string MetadataInvalidReferenceToValueType => GetResourceString("MetadataInvalidReferenceToValueType");

		internal static string MetadataInvalidTokenAfterValues => GetResourceString("MetadataInvalidTokenAfterValues");

		internal static string MetadataPreservedArrayFailed => GetResourceString("MetadataPreservedArrayFailed");

		internal static string MetadataInvalidPropertyInArrayMetadata => GetResourceString("MetadataInvalidPropertyInArrayMetadata");

		internal static string MetadataStandaloneValuesProperty => GetResourceString("MetadataStandaloneValuesProperty");

		internal static string MetadataReferenceCannotContainOtherProperties => GetResourceString("MetadataReferenceCannotContainOtherProperties");

		internal static string MetadataReferenceNotFound => GetResourceString("MetadataReferenceNotFound");

		internal static string MetadataValueWasNotString => GetResourceString("MetadataValueWasNotString");

		internal static string MetadataInvalidPropertyWithLeadingDollarSign => GetResourceString("MetadataInvalidPropertyWithLeadingDollarSign");

		internal static string MetadataUnexpectedProperty => GetResourceString("MetadataUnexpectedProperty");

		internal static string MetadataDuplicateTypeProperty => GetResourceString("MetadataDuplicateTypeProperty");

		internal static string MultipleMembersBindWithConstructorParameter => GetResourceString("MultipleMembersBindWithConstructorParameter");

		internal static string ConstructorParamIncompleteBinding => GetResourceString("ConstructorParamIncompleteBinding");

		internal static string ConstructorMaxOf64Parameters => GetResourceString("ConstructorMaxOf64Parameters");

		internal static string ObjectWithParameterizedCtorRefMetadataNotSupported => GetResourceString("ObjectWithParameterizedCtorRefMetadataNotSupported");

		internal static string SerializerConverterFactoryReturnsNull => GetResourceString("SerializerConverterFactoryReturnsNull");

		internal static string SerializationNotSupportedParentType => GetResourceString("SerializationNotSupportedParentType");

		internal static string ExtensionDataCannotBindToCtorParam => GetResourceString("ExtensionDataCannotBindToCtorParam");

		internal static string BufferMaximumSizeExceeded => GetResourceString("BufferMaximumSizeExceeded");

		internal static string CannotSerializeInvalidType => GetResourceString("CannotSerializeInvalidType");

		internal static string SerializeTypeInstanceNotSupported => GetResourceString("SerializeTypeInstanceNotSupported");

		internal static string JsonIncludeOnNonPublicInvalid => GetResourceString("JsonIncludeOnNonPublicInvalid");

		internal static string CannotSerializeInvalidMember => GetResourceString("CannotSerializeInvalidMember");

		internal static string CannotPopulateCollection => GetResourceString("CannotPopulateCollection");

		internal static string ConstructorContainsNullParameterNames => GetResourceString("ConstructorContainsNullParameterNames");

		internal static string DefaultIgnoreConditionAlreadySpecified => GetResourceString("DefaultIgnoreConditionAlreadySpecified");

		internal static string DefaultIgnoreConditionInvalid => GetResourceString("DefaultIgnoreConditionInvalid");

		internal static string DictionaryKeyTypeNotSupported => GetResourceString("DictionaryKeyTypeNotSupported");

		internal static string IgnoreConditionOnValueTypeInvalid => GetResourceString("IgnoreConditionOnValueTypeInvalid");

		internal static string NumberHandlingOnPropertyInvalid => GetResourceString("NumberHandlingOnPropertyInvalid");

		internal static string ConverterCanConvertMultipleTypes => GetResourceString("ConverterCanConvertMultipleTypes");

		internal static string MetadataReferenceOfTypeCannotBeAssignedToType => GetResourceString("MetadataReferenceOfTypeCannotBeAssignedToType");

		internal static string DeserializeUnableToAssignValue => GetResourceString("DeserializeUnableToAssignValue");

		internal static string DeserializeUnableToAssignNull => GetResourceString("DeserializeUnableToAssignNull");

		internal static string SerializerConverterFactoryReturnsJsonConverterFactory => GetResourceString("SerializerConverterFactoryReturnsJsonConverterFactory");

		internal static string NodeElementWrongType => GetResourceString("NodeElementWrongType");

		internal static string NodeElementCannotBeObjectOrArray => GetResourceString("NodeElementCannotBeObjectOrArray");

		internal static string NodeAlreadyHasParent => GetResourceString("NodeAlreadyHasParent");

		internal static string NodeCycleDetected => GetResourceString("NodeCycleDetected");

		internal static string NodeUnableToConvert => GetResourceString("NodeUnableToConvert");

		internal static string NodeUnableToConvertElement => GetResourceString("NodeUnableToConvertElement");

		internal static string NodeValueNotAllowed => GetResourceString("NodeValueNotAllowed");

		internal static string NodeWrongType => GetResourceString("NodeWrongType");

		internal static string NodeDuplicateKey => GetResourceString("NodeDuplicateKey");

		internal static string SerializerContextOptionsImmutable => GetResourceString("SerializerContextOptionsImmutable");

		internal static string ConverterForPropertyMustBeValid => GetResourceString("ConverterForPropertyMustBeValid");

		internal static string NoMetadataForType => GetResourceString("NoMetadataForType");

		internal static string CollectionIsReadOnly => GetResourceString("CollectionIsReadOnly");

		internal static string ArrayIndexNegative => GetResourceString("ArrayIndexNegative");

		internal static string ArrayTooSmall => GetResourceString("ArrayTooSmall");

		internal static string NodeJsonObjectCustomConverterNotAllowedOnExtensionProperty => GetResourceString("NodeJsonObjectCustomConverterNotAllowedOnExtensionProperty");

		internal static string NoMetadataForTypeProperties => GetResourceString("NoMetadataForTypeProperties");

		internal static string FieldCannotBeVirtual => GetResourceString("FieldCannotBeVirtual");

		internal static string MissingFSharpCoreMember => GetResourceString("MissingFSharpCoreMember");

		internal static string FSharpDiscriminatedUnionsNotSupported => GetResourceString("FSharpDiscriminatedUnionsNotSupported");

		internal static string NoMetadataForTypeCtorParams => GetResourceString("NoMetadataForTypeCtorParams");

		internal static string Polymorphism_BaseConverterDoesNotSupportMetadata => GetResourceString("Polymorphism_BaseConverterDoesNotSupportMetadata");

		internal static string Polymorphism_DerivedConverterDoesNotSupportMetadata => GetResourceString("Polymorphism_DerivedConverterDoesNotSupportMetadata");

		internal static string Polymorphism_TypeDoesNotSupportPolymorphism => GetResourceString("Polymorphism_TypeDoesNotSupportPolymorphism");

		internal static string Polymorphism_DerivedTypeIsNotSupported => GetResourceString("Polymorphism_DerivedTypeIsNotSupported");

		internal static string Polymorphism_DerivedTypeIsAlreadySpecified => GetResourceString("Polymorphism_DerivedTypeIsAlreadySpecified");

		internal static string Polymorphism_TypeDicriminatorIdIsAlreadySpecified => GetResourceString("Polymorphism_TypeDicriminatorIdIsAlreadySpecified");

		internal static string Polymorphism_InvalidCustomTypeDiscriminatorPropertyName => GetResourceString("Polymorphism_InvalidCustomTypeDiscriminatorPropertyName");

		internal static string Polymorphism_ConfigurationDoesNotSpecifyDerivedTypes => GetResourceString("Polymorphism_ConfigurationDoesNotSpecifyDerivedTypes");

		internal static string Polymorphism_UnrecognizedTypeDiscriminator => GetResourceString("Polymorphism_UnrecognizedTypeDiscriminator");

		internal static string Polymorphism_RuntimeTypeNotSupported => GetResourceString("Polymorphism_RuntimeTypeNotSupported");

		internal static string Polymorphism_RuntimeTypeDiamondAmbiguity => GetResourceString("Polymorphism_RuntimeTypeDiamondAmbiguity");

		internal static string InvalidJsonTypeInfoOperationForKind => GetResourceString("InvalidJsonTypeInfoOperationForKind");

		internal static string CreateObjectConverterNotCompatible => GetResourceString("CreateObjectConverterNotCompatible");

		internal static string CombineOneOfResolversIsNull => GetResourceString("CombineOneOfResolversIsNull");

		internal static string JsonPropertyInfoBoundToDifferentParent => GetResourceString("JsonPropertyInfoBoundToDifferentParent");

		internal static string JsonTypeInfoUsedButTypeInfoResolverNotSet => GetResourceString("JsonTypeInfoUsedButTypeInfoResolverNotSet");

		internal static string JsonPolymorphismOptionsAssociatedWithDifferentJsonTypeInfo => GetResourceString("JsonPolymorphismOptionsAssociatedWithDifferentJsonTypeInfo");

		internal static string JsonPropertyRequiredAndNotDeserializable => GetResourceString("JsonPropertyRequiredAndNotDeserializable");

		internal static string JsonPropertyRequiredAndExtensionData => GetResourceString("JsonPropertyRequiredAndExtensionData");

		internal static string JsonRequiredPropertiesMissing => GetResourceString("JsonRequiredPropertiesMissing");

		private static bool UsingResourceKeys()
		{
			return s_usingResourceKeys;
		}

		internal static string GetResourceString(string resourceKey)
		{
			if (UsingResourceKeys())
			{
				return resourceKey;
			}
			string result = null;
			try
			{
				result = ResourceManager.GetString(resourceKey);
			}
			catch (MissingManifestResourceException)
			{
			}
			return result;
		}

		internal static string GetResourceString(string resourceKey, string defaultString)
		{
			string resourceString = GetResourceString(resourceKey);
			if (!(resourceKey == resourceString) && resourceString != null)
			{
				return resourceString;
			}
			return defaultString;
		}

		internal static string Format(string resourceFormat, object p1)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1);
			}
			return string.Format(resourceFormat, p1);
		}

		internal static string Format(string resourceFormat, object p1, object p2)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2);
			}
			return string.Format(resourceFormat, p1, p2);
		}

		internal static string Format(string resourceFormat, object p1, object p2, object p3)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2, p3);
			}
			return string.Format(resourceFormat, p1, p2, p3);
		}

		internal static string Format(string resourceFormat, params object[] args)
		{
			if (args != null)
			{
				if (UsingResourceKeys())
				{
					return resourceFormat + ", " + string.Join(", ", args);
				}
				return string.Format(resourceFormat, args);
			}
			return resourceFormat;
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, object p1)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1);
			}
			return string.Format(provider, resourceFormat, p1);
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, object p1, object p2)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2);
			}
			return string.Format(provider, resourceFormat, p1, p2);
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, object p1, object p2, object p3)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2, p3);
			}
			return string.Format(provider, resourceFormat, p1, p2, p3);
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, params object[] args)
		{
			if (args != null)
			{
				if (UsingResourceKeys())
				{
					return resourceFormat + ", " + string.Join(", ", args);
				}
				return string.Format(provider, resourceFormat, args);
			}
			return resourceFormat;
		}
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum | AttributeTargets.Constructor | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Interface | AttributeTargets.Delegate, Inherited = false)]
	internal sealed class ObsoleteAttribute : Attribute
	{
		public string Message { get; }

		public bool IsError { get; }

		public string DiagnosticId { get; set; }

		public string UrlFormat { get; set; }

		public ObsoleteAttribute()
		{
		}

		public ObsoleteAttribute(string message)
		{
			Message = message;
		}

		public ObsoleteAttribute(string message, bool error)
		{
			Message = message;
			IsError = error;
		}
	}
}
namespace System.Diagnostics.CodeAnalysis
{
	[AttributeUsage(AttributeTargets.Constructor | AttributeTargets.Method | AttributeTargets.Field, AllowMultiple = true, Inherited = false)]
	internal sealed class DynamicDependencyAttribute : Attribute
	{
		public string MemberSignature { get; }

		public DynamicallyAccessedMemberTypes MemberTypes { get; }

		public Type Type { get; }

		public string TypeName { get; }

		public string AssemblyName { get; }

		public string Condition { get; set; }

		public DynamicDependencyAttribute(string memberSignature)
		{
			MemberSignature = memberSignature;
		}

		public DynamicDependencyAttribute(string memberSignature, Type type)
		{
			MemberSignature = memberSignature;
			Type = type;
		}

		public DynamicDependencyAttribute(string memberSignature, string typeName, string assemblyName)
		{
			MemberSignature = memberSignature;
			TypeName = typeName;
			AssemblyName = assemblyName;
		}

		public DynamicDependencyAttribute(DynamicallyAccessedMemberTypes memberTypes, Type type)
		{
			MemberTypes = memberTypes;
			Type = type;
		}

		public DynamicDependencyAttribute(DynamicallyAccessedMemberTypes memberTypes, string typeName, string assemblyName)
		{
			MemberTypes = memberTypes;
			TypeName = typeName;
			AssemblyName = assemblyName;
		}
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Interface | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, Inherited = false)]
	internal sealed class DynamicallyAccessedMembersAttribute : Attribute
	{
		public DynamicallyAccessedMemberTypes MemberTypes { get; }

		public DynamicallyAccessedMembersAttribute(DynamicallyAccessedMemberTypes memberTypes)
		{
			MemberTypes = memberTypes;
		}
	}
	[Flags]
	internal enum DynamicallyAccessedMemberTypes
	{
		None = 0,
		PublicParameterlessConstructor = 1,
		PublicConstructors = 3,
		NonPublicConstructors = 4,
		PublicMethods = 8,
		NonPublicMethods = 0x10,
		PublicFields = 0x20,
		NonPublicFields = 0x40,
		PublicNestedTypes = 0x80,
		NonPublicNestedTypes = 0x100,
		PublicProperties = 0x200,
		NonPublicProperties = 0x400,
		PublicEvents = 0x800,
		NonPublicEvents = 0x1000,
		Interfaces = 0x2000,
		All = -1
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Constructor | AttributeTargets.Method, Inherited = false)]
	internal sealed class RequiresUnreferencedCodeAttribute : Attribute
	{
		public string Message { get; }

		public string Url { get; set; }

		public RequiresUnreferencedCodeAttribute(string message)
		{
			Message = message;
		}
	}
	[AttributeUsage(AttributeTargets.All, Inherited = false, AllowMultiple = true)]
	internal sealed class UnconditionalSuppressMessageAttribute : Attribute
	{
		public string Category { get; }

		public string CheckId { get; }

		public string Scope { get; set; }

		public string Target { get; set; }

		public string MessageId { get; set; }

		public string Justification { get; set; }

		public UnconditionalSuppressMessageAttribute(string category, string checkId)
		{
			Category = category;
			CheckId = checkId;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, AllowMultiple = false, Inherited = false)]
	internal sealed class StringSyntaxAttribute : Attribute
	{
		public const string CompositeFormat = "CompositeFormat";

		public const string DateOnlyFormat = "DateOnlyFormat";

		public const string DateTimeFormat = "DateTimeFormat";

		public const string EnumFormat = "EnumFormat";

		public const string GuidFormat = "GuidFormat";

		public const string Json = "Json";

		public const string NumericFormat = "NumericFormat";

		public const string Regex = "Regex";

		public const string TimeOnlyFormat = "TimeOnlyFormat";

		public const string TimeSpanFormat = "TimeSpanFormat";

		public const string Uri = "Uri";

		public const string Xml = "Xml";

		public string Syntax { get; }

		public object[] Arguments { get; }

		public StringSyntaxAttribute(string syntax)
		{
			Syntax = syntax;
			Arguments = Array.Empty<object>();
		}

		public StringSyntaxAttribute(string syntax, params object[] arguments)
		{
			Syntax = syntax;
			Arguments = arguments;
		}
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Constructor | AttributeTargets.Method, Inherited = false)]
	internal sealed class RequiresDynamicCodeAttribute : Attribute
	{
		public string Message { get; }

		public string Url { get; set; }

		public RequiresDynamicCodeAttribute(string message)
		{
			Message = message;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class AllowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class DisallowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	internal sealed class MaybeNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	internal sealed class NotNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class MaybeNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public MaybeNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class NotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public NotNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter | AttributeTargets.ReturnValue, AllowMultiple = true, Inherited = false)]
	internal sealed class NotNullIfNotNullAttribute : Attribute
	{
		public string ParameterName { get; }

		public NotNullIfNotNullAttribute(string parameterName)
		{
			ParameterName = parameterName;
		}
	}
	[AttributeUsage(AttributeTargets.Method, Inherited = false)]
	internal sealed class DoesNotReturnAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class DoesNotReturnIfAttribute : Attribute
	{
		public bool ParameterValue { get; }

		public DoesNotReturnIfAttribute(bool parameterValue)
		{
			ParameterValue = parameterValue;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	internal sealed class MemberNotNullAttribute : Attribute
	{
		public string[] Members { get; }

		public MemberNotNullAttribute(string member)
		{
			Members = new string[1] { member };
		}

		public MemberNotNullAttribute(params string[] members)
		{
			Members = members;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	internal sealed class MemberNotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public string[] Members { get; }

		public MemberNotNullWhenAttribute(bool returnValue, string member)
		{
			ReturnValue = returnValue;
			Members = new string[1] { member };
		}

		public MemberNotNullWhenAttribute(bool returnValue, params string[] members)
		{
			ReturnValue = returnValue;
			Members = members;
		}
	}
}
namespace System.Runtime.InteropServices
{
	[AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
	internal sealed class LibraryImportAttribute : Attribute
	{
		public string LibraryName { get; }

		public string EntryPoint { get; set; }

		public StringMarshalling StringMarshalling { get; set; }

		public Type StringMarshallingCustomType { get; set; }

		public bool SetLastError { get; set; }

		public LibraryImportAttribute(string libraryName)
		{
			LibraryName = libraryName;
		}
	}
	internal enum StringMarshalling
	{
		Custom,
		Utf8,
		Utf16
	}
}
namespace System.Runtime.Versioning
{
	[AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Module | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum | AttributeTargets.Constructor | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Interface | AttributeTargets.Delegate, Inherited = false)]
	internal sealed class RequiresPreviewFeaturesAttribute : Attribute
	{
		public string Message { get; }

		public string Url { get; set; }

		public RequiresPreviewFeaturesAttribute()
		{
		}

		public RequiresPreviewFeaturesAttribute(string message)
		{
			Message = message;
		}
	}
}
namespace System.Runtime.CompilerServices
{
	[EditorBrowsable(EditorBrowsableState.Never)]
	internal static class IsExternalInit
	{
	}
}
namespace System.Collections.Generic
{
	internal sealed class ReferenceEqualityComparer : IEqualityComparer<object>, IEqualityComparer
	{
		public static ReferenceEqualityComparer Instance { get; } = new ReferenceEqualityComparer();


		private ReferenceEqualityComparer()
		{
		}

		public new bool Equals(object x, object y)
		{
			return x == y;
		}

		public int GetHashCode(object obj)
		{
			return RuntimeHelpers.GetHashCode(obj);
		}
	}
	internal static class StackExtensions
	{
		public static bool TryPeek<T>(this Stack<T> stack, [MaybeNullWhen(false)] out T result)
		{
			if (stack.Count > 0)
			{
				result = stack.Peek();
				return true;
			}
			result = default(T);
			return false;
		}

		public static bool TryPop<T>(this Stack<T> stack, [MaybeNullWhen(false)] out T result)
		{
			if (stack.Count > 0)
			{
				result = stack.Pop();
				return true;
			}
			result = default(T);
			return false;
		}
	}
}
namespace System.Buffers
{
	internal sealed class ArrayBufferWriter<T> : IBufferWriter<T>
	{
		private const int ArrayMaxLength = 2147483591;

		private const int DefaultInitialBufferSize = 256;

		private T[] _buffer;

		private int _index;

		public ReadOnlyMemory<T> WrittenMemory => _buffer.AsMemory(0, _index);

		public ReadOnlySpan<T> WrittenSpan => _buffer.AsSpan(0, _index);

		public int WrittenCount => _index;

		public int Capacity => _buffer.Length;

		public int FreeCapacity => _buffer.Length - _index;

		public ArrayBufferWriter()
		{
			_buffer = Array.Empty<T>();
			_index = 0;
		}

		public ArrayBufferWriter(int initialCapacity)
		{
			if (initialCapacity <= 0)
			{
				throw new ArgumentException(null, "initialCapacity");
			}
			_buffer = new T[initialCapacity];
			_index = 0;
		}

		public void Clear()
		{
			_buffer.AsSpan(0, _index).Clear();
			_index = 0;
		}

		public void Advance(int count)
		{
			if (count < 0)
			{
				throw new ArgumentException(null, "count");
			}
			if (_index > _buffer.Length - count)
			{
				ThrowInvalidOperationException_AdvancedTooFar(_buffer.Length);
			}
			_index += count;
		}

		public Memory<T> GetMemory(int sizeHint = 0)
		{
			CheckAndResizeBuffer(sizeHint);
			return _buffer.AsMemory(_index);
		}

		public Span<T> GetSpan(int sizeHint = 0)
		{
			CheckAndResizeBuffer(sizeHint);
			return _buffer.AsSpan(_index);
		}

		private void CheckAndResizeBuffer(int sizeHint)
		{
			if (sizeHint < 0)
			{
				throw new ArgumentException("sizeHint");
			}
			if (sizeHint == 0)
			{
				sizeHint = 1;
			}
			if (sizeHint <= FreeCapacity)
			{
				return;
			}
			int num = _buffer.Length;
			int num2 = Math.Max(sizeHint, num);
			if (num == 0)
			{
				num2 = Math.Max(num2, 256);
			}
			int num3 = num + num2;
			if ((uint)num3 > 2147483647u)
			{
				uint num4 = (uint)(num - FreeCapacity + sizeHint);
				if (num4 > 2147483591)
				{
					ThrowOutOfMemoryException(num4);
				}
				num3 = 2147483591;
			}
			Array.Resize(ref _buffer, num3);
		}

		private static void ThrowInvalidOperationException_AdvancedTooFar(int capacity)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.BufferWriterAdvancedTooFar, capacity));
		}

		private static void ThrowOutOfMemoryException(uint capacity)
		{
			throw new OutOfMemoryException(System.SR.Format(System.SR.BufferMaximumSizeExceeded, capacity));
		}
	}
}
namespace System.Buffers.Text
{
	internal enum SequenceValidity
	{
		Empty,
		WellFormed,
		Incomplete,
		Invalid
	}
}
namespace System.Text.Json
{
	internal sealed class PooledByteBufferWriter : IBufferWriter<byte>, IDisposable
	{
		private byte[] _rentedBuffer;

		private int _index;

		private const int MinimumBufferSize = 256;

		public ReadOnlyMemory<byte> WrittenMemory => _rentedBuffer.AsMemory(0, _index);

		public int WrittenCount => _index;

		public int Capacity => _rentedBuffer.Length;

		public int FreeCapacity => _rentedBuffer.Length - _index;

		private PooledByteBufferWriter()
		{
		}

		public PooledByteBufferWriter(int initialCapacity)
		{
			_rentedBuffer = ArrayPool<byte>.Shared.Rent(initialCapacity);
			_index = 0;
		}

		public void Clear()
		{
			ClearHelper();
		}

		public void ClearAndReturnBuffers()
		{
			ClearHelper();
			byte[] rentedBuffer = _rentedBuffer;
			_rentedBuffer = null;
			ArrayPool<byte>.Shared.Return(rentedBuffer);
		}

		private void ClearHelper()
		{
			_rentedBuffer.AsSpan(0, _index).Clear();
			_index = 0;
		}

		public void Dispose()
		{
			if (_rentedBuffer != null)
			{
				ClearHelper();
				byte[] rentedBuffer = _rentedBuffer;
				_rentedBuffer = null;
				ArrayPool<byte>.Shared.Return(rentedBuffer);
			}
		}

		public void InitializeEmptyInstance(int initialCapacity)
		{
			_rentedBuffer = ArrayPool<byte>.Shared.Rent(initialCapacity);
			_index = 0;
		}

		public static PooledByteBufferWriter CreateEmptyInstanceForCaching()
		{
			return new PooledByteBufferWriter();
		}

		public void Advance(int count)
		{
			_index += count;
		}

		public Memory<byte> GetMemory(int sizeHint = 0)
		{
			CheckAndResizeBuffer(sizeHint);
			return _rentedBuffer.AsMemory(_index);
		}

		public Span<byte> GetSpan(int sizeHint = 0)
		{
			CheckAndResizeBuffer(sizeHint);
			return _rentedBuffer.AsSpan(_index);
		}

		internal Task WriteToStreamAsync(Stream destination, CancellationToken cancellationToken)
		{
			return destination.WriteAsync(_rentedBuffer, 0, _index, cancellationToken);
		}

		internal void WriteToStream(Stream destination)
		{
			destination.Write(_rentedBuffer, 0, _index);
		}

		private void CheckAndResizeBuffer(int sizeHint)
		{
			if (sizeHint == 0)
			{
				sizeHint = 256;
			}
			int num = _rentedBuffer.Length - _index;
			if (sizeHint <= num)
			{
				return;
			}
			int num2 = _rentedBuffer.Length;
			int num3 = Math.Max(sizeHint, num2);
			int num4 = num2 + num3;
			if ((uint)num4 > 2147483647u)
			{
				num4 = num2 + sizeHint;
				if ((uint)num4 > 2147483647u)
				{
					ThrowHelper.ThrowOutOfMemoryException_BufferMaximumSizeExceeded((uint)num4);
				}
			}
			byte[] rentedBuffer = _rentedBuffer;
			_rentedBuffer = ArrayPool<byte>.Shared.Rent(num4);
			Span<byte> span = rentedBuffer.AsSpan(0, _index);
			span.CopyTo(_rentedBuffer);
			span.Clear();
			ArrayPool<byte>.Shared.Return(rentedBuffer);
		}
	}
	internal static class ThrowHelper
	{
		public const string ExceptionSourceValueToRethrowAsJsonException = "System.Text.Json.Rethrowable";

		[MethodImpl(MethodImplOptions.NoInlining)]
		[DoesNotReturn]
		public static void ThrowOutOfMemoryException_BufferMaximumSizeExceeded(uint capacity)
		{
			throw new OutOfMemoryException(System.SR.Format(System.SR.BufferMaximumSizeExceeded, capacity));
		}

		[DoesNotReturn]
		public static void ThrowArgumentNullException(string parameterName)
		{
			throw new ArgumentNullException(parameterName);
		}

		[DoesNotReturn]
		public static void ThrowArgumentOutOfRangeException_MaxDepthMustBePositive(string parameterName)
		{
			throw GetArgumentOutOfRangeException(parameterName, System.SR.MaxDepthMustBePositive);
		}

		private static ArgumentOutOfRangeException GetArgumentOutOfRangeException(string parameterName, string message)
		{
			return new ArgumentOutOfRangeException(parameterName, message);
		}

		[DoesNotReturn]
		public static void ThrowArgumentOutOfRangeException_CommentEnumMustBeInRange(string parameterName)
		{
			throw GetArgumentOutOfRangeException(parameterName, System.SR.CommentHandlingMustBeValid);
		}

		[DoesNotReturn]
		public static void ThrowArgumentOutOfRangeException_ArrayIndexNegative(string paramName)
		{
			throw new ArgumentOutOfRangeException(paramName, System.SR.ArrayIndexNegative);
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_ArrayTooSmall(string paramName)
		{
			throw new ArgumentException(System.SR.ArrayTooSmall, paramName);
		}

		private static ArgumentException GetArgumentException(string message)
		{
			return new ArgumentException(message);
		}

		[DoesNotReturn]
		public static void ThrowArgumentException(string message)
		{
			throw GetArgumentException(message);
		}

		public static InvalidOperationException GetInvalidOperationException_CallFlushFirst(int _buffered)
		{
			return GetInvalidOperationException(System.SR.Format(System.SR.CallFlushToAvoidDataLoss, _buffered));
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_DestinationTooShort()
		{
			throw GetArgumentException(System.SR.DestinationTooShort);
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_PropertyNameTooLarge(int tokenLength)
		{
			throw GetArgumentException(System.SR.Format(System.SR.PropertyNameTooLarge, tokenLength));
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_ValueTooLarge(int tokenLength)
		{
			throw GetArgumentException(System.SR.Format(System.SR.ValueTooLarge, tokenLength));
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_ValueNotSupported()
		{
			throw GetArgumentException(System.SR.SpecialNumberValuesNotSupported);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_NeedLargerSpan()
		{
			throw GetInvalidOperationException(System.SR.FailedToGetLargerSpan);
		}

		[DoesNotReturn]
		public static void ThrowArgumentException(ReadOnlySpan<byte> propertyName, ReadOnlySpan<byte> value)
		{
			if (propertyName.Length > 166666666)
			{
				ThrowArgumentException(System.SR.Format(System.SR.PropertyNameTooLarge, propertyName.Length));
			}
			else
			{
				ThrowArgumentException(System.SR.Format(System.SR.ValueTooLarge, value.Length));
			}
		}

		[DoesNotReturn]
		public static void ThrowArgumentException(ReadOnlySpan<byte> propertyName, ReadOnlySpan<char> value)
		{
			if (propertyName.Length > 166666666)
			{
				ThrowArgumentException(System.SR.Format(System.SR.PropertyNameTooLarge, propertyName.Length));
			}
			else
			{
				ThrowArgumentException(System.SR.Format(System.SR.ValueTooLarge, value.Length));
			}
		}

		[DoesNotReturn]
		public static void ThrowArgumentException(ReadOnlySpan<char> propertyName, ReadOnlySpan<byte> value)
		{
			if (propertyName.Length > 166666666)
			{
				ThrowArgumentException(System.SR.Format(System.SR.PropertyNameTooLarge, propertyName.Length));
			}
			else
			{
				ThrowArgumentException(System.SR.Format(System.SR.ValueTooLarge, value.Length));
			}
		}

		[DoesNotReturn]
		public static void ThrowArgumentException(ReadOnlySpan<char> propertyName, ReadOnlySpan<char> value)
		{
			if (propertyName.Length > 166666666)
			{
				ThrowArgumentException(System.SR.Format(System.SR.PropertyNameTooLarge, propertyName.Length));
			}
			else
			{
				ThrowArgumentException(System.SR.Format(System.SR.ValueTooLarge, value.Length));
			}
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationOrArgumentException(ReadOnlySpan<byte> propertyName, int currentDepth, int maxDepth)
		{
			currentDepth &= 0x7FFFFFFF;
			if (currentDepth >= maxDepth)
			{
				ThrowInvalidOperationException(System.SR.Format(System.SR.DepthTooLarge, currentDepth, maxDepth));
			}
			else
			{
				ThrowArgumentException(System.SR.Format(System.SR.PropertyNameTooLarge, propertyName.Length));
			}
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException(int currentDepth, int maxDepth)
		{
			currentDepth &= 0x7FFFFFFF;
			ThrowInvalidOperationException(System.SR.Format(System.SR.DepthTooLarge, currentDepth, maxDepth));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException(string message)
		{
			throw GetInvalidOperationException(message);
		}

		private static InvalidOperationException GetInvalidOperationException(string message)
		{
			return new InvalidOperationException(message)
			{
				Source = "System.Text.Json.Rethrowable"
			};
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_DepthNonZeroOrEmptyJson(int currentDepth)
		{
			throw GetInvalidOperationException(currentDepth);
		}

		private static InvalidOperationException GetInvalidOperationException(int currentDepth)
		{
			currentDepth &= 0x7FFFFFFF;
			if (currentDepth != 0)
			{
				return GetInvalidOperationException(System.SR.Format(System.SR.ZeroDepthAtEnd, currentDepth));
			}
			return GetInvalidOperationException(System.SR.EmptyJsonIsInvalid);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationOrArgumentException(ReadOnlySpan<char> propertyName, int currentDepth, int maxDepth)
		{
			currentDepth &= 0x7FFFFFFF;
			if (currentDepth >= maxDepth)
			{
				ThrowInvalidOperationException(System.SR.Format(System.SR.DepthTooLarge, currentDepth, maxDepth));
			}
			else
			{
				ThrowArgumentException(System.SR.Format(System.SR.PropertyNameTooLarge, propertyName.Length));
			}
		}

		public static InvalidOperationException GetInvalidOperationException_ExpectedArray(JsonTokenType tokenType)
		{
			return GetInvalidOperationException("array", tokenType);
		}

		public static InvalidOperationException GetInvalidOperationException_ExpectedObject(JsonTokenType tokenType)
		{
			return GetInvalidOperationException("object", tokenType);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ExpectedNumber(JsonTokenType tokenType)
		{
			throw GetInvalidOperationException("number", tokenType);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ExpectedBoolean(JsonTokenType tokenType)
		{
			throw GetInvalidOperationException("boolean", tokenType);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ExpectedString(JsonTokenType tokenType)
		{
			throw GetInvalidOperationException("string", tokenType);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ExpectedStringComparison(JsonTokenType tokenType)
		{
			throw GetInvalidOperationException(tokenType);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ExpectedComment(JsonTokenType tokenType)
		{
			throw GetInvalidOperationException("comment", tokenType);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_CannotSkipOnPartial()
		{
			throw GetInvalidOperationException(System.SR.CannotSkip);
		}

		private static InvalidOperationException GetInvalidOperationException(string message, JsonTokenType tokenType)
		{
			return GetInvalidOperationException(System.SR.Format(System.SR.InvalidCast, tokenType, message));
		}

		private static InvalidOperationException GetInvalidOperationException(JsonTokenType tokenType)
		{
			return GetInvalidOperationException(System.SR.Format(System.SR.InvalidComparison, tokenType));
		}

		[DoesNotReturn]
		internal static void ThrowJsonElementWrongTypeException(JsonTokenType expectedType, JsonTokenType actualType)
		{
			throw GetJsonElementWrongTypeException(expectedType.ToValueKind(), actualType.ToValueKind());
		}

		internal static InvalidOperationException GetJsonElementWrongTypeException(JsonValueKind expectedType, JsonValueKind actualType)
		{
			return GetInvalidOperationException(System.SR.Format(System.SR.JsonElementHasWrongType, expectedType, actualType));
		}

		internal static InvalidOperationException GetJsonElementWrongTypeException(string expectedTypeName, JsonValueKind actualType)
		{
			return GetInvalidOperationException(System.SR.Format(System.SR.JsonElementHasWrongType, expectedTypeName, actualType));
		}

		[DoesNotReturn]
		public static void ThrowJsonReaderException(ref Utf8JsonReader json, ExceptionResource resource, byte nextByte = 0, ReadOnlySpan<byte> bytes = default(ReadOnlySpan<byte>))
		{
			throw GetJsonReaderException(ref json, resource, nextByte, bytes);
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		public static JsonException GetJsonReaderException(ref Utf8JsonReader json, ExceptionResource resource, byte nextByte, ReadOnlySpan<byte> bytes)
		{
			string resourceString = GetResourceString(ref json, resource, nextByte, JsonHelpers.Utf8GetString(bytes));
			long lineNumber = json.CurrentState._lineNumber;
			long bytePositionInLine = json.CurrentState._bytePositionInLine;
			resourceString += $" LineNumber: {lineNumber} | BytePositionInLine: {bytePositionInLine}.";
			return new JsonReaderException(resourceString, lineNumber, bytePositionInLine);
		}

		private static bool IsPrintable(byte value)
		{
			if (value >= 32)
			{
				return value < 127;
			}
			return false;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static string GetPrintableString(byte value)
		{
			if (!IsPrintable(value))
			{
				return $"0x{value:X2}";
			}
			char c = (char)value;
			return c.ToString();
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static string GetResourceString(ref Utf8JsonReader json, ExceptionResource resource, byte nextByte, string characters)
		{
			string printableString = GetPrintableString(nextByte);
			string result = "";
			switch (resource)
			{
			case ExceptionResource.ArrayDepthTooLarge:
				result = System.SR.Format(System.SR.ArrayDepthTooLarge, json.CurrentState.Options.MaxDepth);
				break;
			case ExceptionResource.MismatchedObjectArray:
				result = System.SR.Format(System.SR.MismatchedObjectArray, printableString);
				break;
			case ExceptionResource.TrailingCommaNotAllowedBeforeArrayEnd:
				result = System.SR.TrailingCommaNotAllowedBeforeArrayEnd;
				break;
			case ExceptionResource.TrailingCommaNotAllowedBeforeObjectEnd:
				result = System.SR.TrailingCommaNotAllowedBeforeObjectEnd;
				break;
			case ExceptionResource.EndOfStringNotFound:
				result = System.SR.EndOfStringNotFound;
				break;
			case ExceptionResource.RequiredDigitNotFoundAfterSign:
				result = System.SR.Format(System.SR.RequiredDigitNotFoundAfterSign, printableString);
				break;
			case ExceptionResource.RequiredDigitNotFoundAfterDecimal:
				result = System.SR.Format(System.SR.RequiredDigitNotFoundAfterDecimal, printableString);
				break;
			case ExceptionResource.RequiredDigitNotFoundEndOfData:
				result = System.SR.RequiredDigitNotFoundEndOfData;
				break;
			case ExceptionResource.ExpectedEndAfterSingleJson:
				result = System.SR.Format(System.SR.ExpectedEndAfterSingleJson, printableString);
				break;
			case ExceptionResource.ExpectedEndOfDigitNotFound:
				result = System.SR.Format(System.SR.ExpectedEndOfDigitNotFound, printableString);
				break;
			case ExceptionResource.ExpectedNextDigitEValueNotFound:
				result = System.SR.Format(System.SR.ExpectedNextDigitEValueNotFound, printableString);
				break;
			case ExceptionResource.ExpectedSeparatorAfterPropertyNameNotFound:
				result = System.SR.Format(System.SR.ExpectedSeparatorAfterPropertyNameNotFound, printableString);
				break;
			case ExceptionResource.ExpectedStartOfPropertyNotFound:
				result = System.SR.Format(System.SR.ExpectedStartOfPropertyNotFound, printableString);
				break;
			case ExceptionResource.ExpectedStartOfPropertyOrValueNotFound:
				result = System.SR.ExpectedStartOfPropertyOrValueNotFound;
				break;
			case ExceptionResource.ExpectedStartOfPropertyOrValueAfterComment:
				result = System.SR.Format(System.SR.ExpectedStartOfPropertyOrValueAfterComment, printableString);
				break;
			case ExceptionResource.ExpectedStartOfValueNotFound:
				result = System.SR.Format(System.SR.ExpectedStartOfValueNotFound, printableString);
				break;
			case ExceptionResource.ExpectedValueAfterPropertyNameNotFound:
				result = System.SR.ExpectedValueAfterPropertyNameNotFound;
				break;
			case ExceptionResource.FoundInvalidCharacter:
				result = System.SR.Format(System.SR.FoundInvalidCharacter, printableString);
				break;
			case ExceptionResource.InvalidEndOfJsonNonPrimitive:
				result = System.SR.Format(System.SR.InvalidEndOfJsonNonPrimitive, json.TokenType);
				break;
			case ExceptionResource.ObjectDepthTooLarge:
				result = System.SR.Format(System.SR.ObjectDepthTooLarge, json.CurrentState.Options.MaxDepth);
				break;
			case ExceptionResource.ExpectedFalse:
				result = System.SR.Format(System.SR.ExpectedFalse, characters);
				break;
			case ExceptionResource.ExpectedNull:
				result = System.SR.Format(System.SR.ExpectedNull, characters);
				break;
			case ExceptionResource.ExpectedTrue:
				result = System.SR.Format(System.SR.ExpectedTrue, characters);
				break;
			case ExceptionResource.InvalidCharacterWithinString:
				result = System.SR.Format(System.SR.InvalidCharacterWithinString, printableString);
				break;
			case ExceptionResource.InvalidCharacterAfterEscapeWithinString:
				result = System.SR.Format(System.SR.InvalidCharacterAfterEscapeWithinString, printableString);
				break;
			case ExceptionResource.InvalidHexCharacterWithinString:
				result = System.SR.Format(System.SR.InvalidHexCharacterWithinString, printableString);
				break;
			case ExceptionResource.EndOfCommentNotFound:
				result = System.SR.EndOfCommentNotFound;
				break;
			case ExceptionResource.ZeroDepthAtEnd:
				result = System.SR.Format(System.SR.ZeroDepthAtEnd);
				break;
			case ExceptionResource.ExpectedJsonTokens:
				result = System.SR.ExpectedJsonTokens;
				break;
			case ExceptionResource.NotEnoughData:
				result = System.SR.NotEnoughData;
				break;
			case ExceptionResource.ExpectedOneCompleteToken:
				result = System.SR.ExpectedOneCompleteToken;
				break;
			case ExceptionResource.InvalidCharacterAtStartOfComment:
				result = System.SR.Format(System.SR.InvalidCharacterAtStartOfComment, printableString);
				break;
			case ExceptionResource.UnexpectedEndOfDataWhileReadingComment:
				result = System.SR.Format(System.SR.UnexpectedEndOfDataWhileReadingComment);
				break;
			case ExceptionResource.UnexpectedEndOfLineSeparator:
				result = System.SR.Format(System.SR.UnexpectedEndOfLineSeparator);
				break;
			case ExceptionResource.InvalidLeadingZeroInNumber:
				result = System.SR.Format(System.SR.InvalidLeadingZeroInNumber, printableString);
				break;
			}
			return result;
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException(ExceptionResource resource, int currentDepth, int maxDepth, byte token, JsonTokenType tokenType)
		{
			throw GetInvalidOperationException(resource, currentDepth, maxDepth, token, tokenType);
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_InvalidCommentValue()
		{
			throw new ArgumentException(System.SR.CannotWriteCommentWithEmbeddedDelimiter);
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_InvalidUTF8(ReadOnlySpan<byte> value)
		{
			StringBuilder stringBuilder = new StringBuilder();
			int num = Math.Min(value.Length, 10);
			for (int i = 0; i < num; i++)
			{
				byte b = value[i];
				if (IsPrintable(b))
				{
					stringBuilder.Append((char)b);
				}
				else
				{
					stringBuilder.Append($"0x{b:X2}");
				}
			}
			if (num < value.Length)
			{
				stringBuilder.Append("...");
			}
			throw new ArgumentException(System.SR.Format(System.SR.CannotEncodeInvalidUTF8, stringBuilder));
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_InvalidUTF16(int charAsInt)
		{
			throw new ArgumentException(System.SR.Format(System.SR.CannotEncodeInvalidUTF16, $"0x{charAsInt:X2}"));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ReadInvalidUTF16(int charAsInt)
		{
			throw GetInvalidOperationException(System.SR.Format(System.SR.CannotReadInvalidUTF16, $"0x{charAsInt:X2}"));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ReadIncompleteUTF16()
		{
			throw GetInvalidOperationException(System.SR.CannotReadIncompleteUTF16);
		}

		public static InvalidOperationException GetInvalidOperationException_ReadInvalidUTF8(DecoderFallbackException innerException)
		{
			return GetInvalidOperationException(System.SR.CannotTranscodeInvalidUtf8, innerException);
		}

		public static ArgumentException GetArgumentException_ReadInvalidUTF16(EncoderFallbackException innerException)
		{
			return new ArgumentException(System.SR.CannotTranscodeInvalidUtf16, innerException);
		}

		public static InvalidOperationException GetInvalidOperationException(string message, Exception innerException)
		{
			InvalidOperationException ex = new InvalidOperationException(message, innerException);
			ex.Source = "System.Text.Json.Rethrowable";
			return ex;
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		public static InvalidOperationException GetInvalidOperationException(ExceptionResource resource, int currentDepth, int maxDepth, byte token, JsonTokenType tokenType)
		{
			string resourceString = GetResourceString(resource, currentDepth, maxDepth, token, tokenType);
			InvalidOperationException invalidOperationException = GetInvalidOperationException(resourceString);
			invalidOperationException.Source = "System.Text.Json.Rethrowable";
			return invalidOperationException;
		}

		[DoesNotReturn]
		public static void ThrowOutOfMemoryException(uint capacity)
		{
			throw new OutOfMemoryException(System.SR.Format(System.SR.BufferMaximumSizeExceeded, capacity));
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static string GetResourceString(ExceptionResource resource, int currentDepth, int maxDepth, byte token, JsonTokenType tokenType)
		{
			string result = "";
			switch (resource)
			{
			case ExceptionResource.MismatchedObjectArray:
				result = ((tokenType == JsonTokenType.PropertyName) ? System.SR.Format(System.SR.CannotWriteEndAfterProperty, (char)token) : System.SR.Format(System.SR.MismatchedObjectArray, (char)token));
				break;
			case ExceptionResource.DepthTooLarge:
				result = System.SR.Format(System.SR.DepthTooLarge, currentDepth & 0x7FFFFFFF, maxDepth);
				break;
			case ExceptionResource.CannotStartObjectArrayWithoutProperty:
				result = System.SR.Format(System.SR.CannotStartObjectArrayWithoutProperty, tokenType);
				break;
			case ExceptionResource.CannotStartObjectArrayAfterPrimitiveOrClose:
				result = System.SR.Format(System.SR.CannotStartObjectArrayAfterPrimitiveOrClose, tokenType);
				break;
			case ExceptionResource.CannotWriteValueWithinObject:
				result = System.SR.Format(System.SR.CannotWriteValueWithinObject, tokenType);
				break;
			case ExceptionResource.CannotWritePropertyWithinArray:
				result = ((tokenType == JsonTokenType.PropertyName) ? System.SR.Format(System.SR.CannotWritePropertyAfterProperty) : System.SR.Format(System.SR.CannotWritePropertyWithinArray, tokenType));
				break;
			case ExceptionResource.CannotWriteValueAfterPrimitiveOrClose:
				result = System.SR.Format(System.SR.CannotWriteValueAfterPrimitiveOrClose, tokenType);
				break;
			}
			return result;
		}

		[DoesNotReturn]
		public static void ThrowFormatException()
		{
			throw new FormatException
			{
				Source = "System.Text.Json.Rethrowable"
			};
		}

		public static void ThrowFormatException(NumericType numericType)
		{
			string message = "";
			switch (numericType)
			{
			case NumericType.Byte:
				message = System.SR.FormatByte;
				break;
			case NumericType.SByte:
				message = System.SR.FormatSByte;
				break;
			case NumericType.Int16:
				message = System.SR.FormatInt16;
				break;
			case NumericType.Int32:
				message = System.SR.FormatInt32;
				break;
			case NumericType.Int64:
				message = System.SR.FormatInt64;
				break;
			case NumericType.UInt16:
				message = System.SR.FormatUInt16;
				break;
			case NumericType.UInt32:
				message = System.SR.FormatUInt32;
				break;
			case NumericType.UInt64:
				message = System.SR.FormatUInt64;
				break;
			case NumericType.Single:
				message = System.SR.FormatSingle;
				break;
			case NumericType.Double:
				message = System.SR.FormatDouble;
				break;
			case NumericType.Decimal:
				message = System.SR.FormatDecimal;
				break;
			}
			throw new FormatException(message)
			{
				Source = "System.Text.Json.Rethrowable"
			};
		}

		[DoesNotReturn]
		public static void ThrowFormatException(DataType dataType)
		{
			string message = "";
			switch (dataType)
			{
			case DataType.Boolean:
			case DataType.DateOnly:
			case DataType.DateTime:
			case DataType.DateTimeOffset:
			case DataType.TimeOnly:
			case DataType.TimeSpan:
			case DataType.Guid:
			case DataType.Version:
				message = System.SR.Format(System.SR.UnsupportedFormat, dataType);
				break;
			case DataType.Base64String:
				message = System.SR.CannotDecodeInvalidBase64;
				break;
			}
			throw new FormatException(message)
			{
				Source = "System.Text.Json.Rethrowable"
			};
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ExpectedChar(JsonTokenType tokenType)
		{
			throw GetInvalidOperationException("char", tokenType);
		}

		[DoesNotReturn]
		public static void ThrowObjectDisposedException_Utf8JsonWriter()
		{
			throw new ObjectDisposedException("Utf8JsonWriter");
		}

		[DoesNotReturn]
		public static void ThrowObjectDisposedException_JsonDocument()
		{
			throw new ObjectDisposedException("JsonDocument");
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_NodeValueNotAllowed(string paramName)
		{
			throw new ArgumentException(System.SR.NodeValueNotAllowed, paramName);
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_DuplicateKey(string paramName, string propertyName)
		{
			throw new ArgumentException(System.SR.Format(System.SR.NodeDuplicateKey, propertyName), paramName);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_NodeAlreadyHasParent()
		{
			throw new InvalidOperationException(System.SR.NodeAlreadyHasParent);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_NodeCycleDetected()
		{
			throw new InvalidOperationException(System.SR.NodeCycleDetected);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_NodeElementCannotBeObjectOrArray()
		{
			throw new InvalidOperationException(System.SR.NodeElementCannotBeObjectOrArray);
		}

		[DoesNotReturn]
		public static void ThrowNotSupportedException_CollectionIsReadOnly()
		{
			throw GetNotSupportedException_CollectionIsReadOnly();
		}

		public static NotSupportedException GetNotSupportedException_CollectionIsReadOnly()
		{
			return new NotSupportedException(System.SR.CollectionIsReadOnly);
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_DeserializeWrongType(Type type, object value)
		{
			throw new ArgumentException(System.SR.Format(System.SR.DeserializeWrongType, type, value.GetType()));
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_SerializerDoesNotSupportComments(string paramName)
		{
			throw new ArgumentException(System.SR.JsonSerializerDoesNotSupportComments, paramName);
		}

		[DoesNotReturn]
		public static void ThrowNotSupportedException_SerializationNotSupported(Type propertyType)
		{
			throw new NotSupportedException(System.SR.Format(System.SR.SerializationNotSupportedType, propertyType));
		}

		[DoesNotReturn]
		public static void ThrowNotSupportedException_TypeRequiresAsyncSerialization(Type propertyType)
		{
			throw new NotSupportedException(System.SR.Format(System.SR.TypeRequiresAsyncSerialization, propertyType));
		}

		[DoesNotReturn]
		public static void ThrowNotSupportedException_ConstructorMaxOf64Parameters(Type type)
		{
			throw new NotSupportedException(System.SR.Format(System.SR.ConstructorMaxOf64Parameters, type));
		}

		[DoesNotReturn]
		public static void ThrowNotSupportedException_DictionaryKeyTypeNotSupported(Type keyType, JsonConverter converter)
		{
			throw new NotSupportedException(System.SR.Format(System.SR.DictionaryKeyTypeNotSupported, keyType, converter.GetType()));
		}

		[DoesNotReturn]
		public static void ThrowJsonException_DeserializeUnableToConvertValue(Type propertyType)
		{
			throw new JsonException(System.SR.Format(System.SR.DeserializeUnableToConvertValue, propertyType))
			{
				AppendPathInformation = true
			};
		}

		[DoesNotReturn]
		public static void ThrowInvalidCastException_DeserializeUnableToAssignValue(Type typeOfValue, Type declaredType)
		{
			throw new InvalidCastException(System.SR.Format(System.SR.DeserializeUnableToAssignValue, typeOfValue, declaredType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_DeserializeUnableToAssignNull(Type declaredType)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.DeserializeUnableToAssignNull, declaredType));
		}

		[DoesNotReturn]
		public static void ThrowJsonException_SerializationConverterRead(JsonConverter converter)
		{
			throw new JsonException(System.SR.Format(System.SR.SerializationConverterRead, converter))
			{
				AppendPathInformation = true
			};
		}

		[DoesNotReturn]
		public static void ThrowJsonException_SerializationConverterWrite(JsonConverter converter)
		{
			throw new JsonException(System.SR.Format(System.SR.SerializationConverterWrite, converter))
			{
				AppendPathInformation = true
			};
		}

		[DoesNotReturn]
		public static void ThrowJsonException_SerializerCycleDetected(int maxDepth)
		{
			throw new JsonException(System.SR.Format(System.SR.SerializerCycleDetected, maxDepth))
			{
				AppendPathInformation = true
			};
		}

		[DoesNotReturn]
		public static void ThrowJsonException(string message = null)
		{
			throw new JsonException(message)
			{
				AppendPathInformation = true
			};
		}

		[DoesNotReturn]
		public static void ThrowArgumentException_CannotSerializeInvalidType(string paramName, Type typeToConvert, Type declaringType, string propertyName)
		{
			if (declaringType == null)
			{
				throw new ArgumentException(System.SR.Format(System.SR.CannotSerializeInvalidType, typeToConvert), paramName);
			}
			throw new ArgumentException(System.SR.Format(System.SR.CannotSerializeInvalidMember, typeToConvert, propertyName, declaringType), paramName);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_CannotSerializeInvalidType(Type typeToConvert, Type declaringType, MemberInfo memberInfo)
		{
			if (declaringType == null)
			{
				throw new InvalidOperationException(System.SR.Format(System.SR.CannotSerializeInvalidType, typeToConvert));
			}
			throw new InvalidOperationException(System.SR.Format(System.SR.CannotSerializeInvalidMember, typeToConvert, memberInfo.Name, declaringType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializationConverterNotCompatible(Type converterType, Type type)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializationConverterNotCompatible, converterType, type));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ResolverTypeNotCompatible(Type requestedType, Type actualType)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.ResolverTypeNotCompatible, actualType, requestedType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ResolverTypeInfoOptionsNotCompatible()
		{
			throw new InvalidOperationException(System.SR.ResolverTypeInfoOptionsNotCompatible);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_JsonTypeInfoUsedButTypeInfoResolverNotSet()
		{
			throw new InvalidOperationException(System.SR.JsonTypeInfoUsedButTypeInfoResolverNotSet);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializationConverterOnAttributeInvalid(Type classType, MemberInfo memberInfo)
		{
			string text = classType.ToString();
			if (memberInfo != null)
			{
				text = text + "." + memberInfo.Name;
			}
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializationConverterOnAttributeInvalid, text));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializationConverterOnAttributeNotCompatible(Type classTypeAttributeIsOn, MemberInfo memberInfo, Type typeToConvert)
		{
			string text = classTypeAttributeIsOn.ToString();
			if (memberInfo != null)
			{
				text = text + "." + memberInfo.Name;
			}
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializationConverterOnAttributeNotCompatible, text, typeToConvert));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializerOptionsImmutable(JsonSerializerContext context)
		{
			string message = ((context == null) ? System.SR.SerializerOptionsImmutable : System.SR.SerializerContextOptionsImmutable);
			throw new InvalidOperationException(message);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_TypeInfoResolverImmutable()
		{
			throw new InvalidOperationException(System.SR.TypeInfoResolverImmutable);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_TypeInfoImmutable()
		{
			throw new InvalidOperationException(System.SR.TypeInfoImmutable);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_PropertyInfoImmutable()
		{
			throw new InvalidOperationException(System.SR.PropertyInfoImmutable);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializerPropertyNameConflict(Type type, string propertyName)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializerPropertyNameConflict, type, propertyName));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializerPropertyNameNull(JsonPropertyInfo jsonPropertyInfo)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializerPropertyNameNull, jsonPropertyInfo.DeclaringType, jsonPropertyInfo.MemberName));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_JsonPropertyRequiredAndNotDeserializable(JsonPropertyInfo jsonPropertyInfo)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.JsonPropertyRequiredAndNotDeserializable, jsonPropertyInfo.Name, jsonPropertyInfo.DeclaringType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_JsonPropertyRequiredAndExtensionData(JsonPropertyInfo jsonPropertyInfo)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.JsonPropertyRequiredAndExtensionData, jsonPropertyInfo.Name, jsonPropertyInfo.DeclaringType));
		}

		[DoesNotReturn]
		public static void ThrowJsonException_JsonRequiredPropertyMissing(JsonTypeInfo parent, BitArray requiredPropertiesSet)
		{
			StringBuilder stringBuilder = new StringBuilder();
			bool flag = true;
			for (int i = 0; i < parent.PropertyCache.List.Count; i++)
			{
				JsonPropertyInfo value = parent.PropertyCache.List[i].Value;
				if (value.IsRequired && !requiredPropertiesSet[value.RequiredPropertyIndex])
				{
					if (!flag)
					{
						stringBuilder.Append(CultureInfo.CurrentUICulture.TextInfo.ListSeparator);
						stringBuilder.Append(' ');
					}
					stringBuilder.Append(value.Name);
					flag = false;
					if (stringBuilder.Length >= 50)
					{
						break;
					}
				}
			}
			throw new JsonException(System.SR.Format(System.SR.JsonRequiredPropertiesMissing, parent.Type, stringBuilder.ToString()));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_NamingPolicyReturnNull(JsonNamingPolicy namingPolicy)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.NamingPolicyReturnNull, namingPolicy));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializerConverterFactoryReturnsNull(Type converterType)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializerConverterFactoryReturnsNull, converterType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializerConverterFactoryReturnsJsonConverterFactorty(Type converterType)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializerConverterFactoryReturnsJsonConverterFactory, converterType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_MultiplePropertiesBindToConstructorParameters(Type parentType, string parameterName, string firstMatchName, string secondMatchName)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.MultipleMembersBindWithConstructorParameter, firstMatchName, secondMatchName, parentType, parameterName));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ConstructorParameterIncompleteBinding(Type parentType)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.ConstructorParamIncompleteBinding, parentType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ExtensionDataCannotBindToCtorParam(string propertyName, JsonPropertyInfo jsonPropertyInfo)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.ExtensionDataCannotBindToCtorParam, propertyName, jsonPropertyInfo.DeclaringType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_JsonIncludeOnNonPublicInvalid(string memberName, Type declaringType)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.JsonIncludeOnNonPublicInvalid, memberName, declaringType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_IgnoreConditionOnValueTypeInvalid(string clrPropertyName, Type propertyDeclaringType)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.IgnoreConditionOnValueTypeInvalid, clrPropertyName, propertyDeclaringType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_NumberHandlingOnPropertyInvalid(JsonPropertyInfo jsonPropertyInfo)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.NumberHandlingOnPropertyInvalid, jsonPropertyInfo.MemberName, jsonPropertyInfo.DeclaringType));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_ConverterCanConvertMultipleTypes(Type runtimePropertyType, JsonConverter jsonConverter)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.ConverterCanConvertMultipleTypes, jsonConverter.GetType(), jsonConverter.TypeToConvert, runtimePropertyType));
		}

		[DoesNotReturn]
		public static void ThrowNotSupportedException_ObjectWithParameterizedCtorRefMetadataNotSupported(ReadOnlySpan<byte> propertyName, ref Utf8JsonReader reader, scoped ref ReadStack state)
		{
			JsonTypeInfo topJsonTypeInfoWithParameterizedConstructor = state.GetTopJsonTypeInfoWithParameterizedConstructor();
			state.Current.JsonPropertyName = propertyName.ToArray();
			NotSupportedException ex = new NotSupportedException(System.SR.Format(System.SR.ObjectWithParameterizedCtorRefMetadataNotSupported, topJsonTypeInfoWithParameterizedConstructor.Type));
			ThrowNotSupportedException(ref state, in reader, ex);
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_JsonTypeInfoOperationNotPossibleForKind(JsonTypeInfoKind kind)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.InvalidJsonTypeInfoOperationForKind, kind));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_CreateObjectConverterNotCompatible(Type type)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.CreateObjectConverterNotCompatible, type));
		}

		[DoesNotReturn]
		public static void ReThrowWithPath(scoped ref ReadStack state, JsonReaderException ex)
		{
			string text = state.JsonPath();
			string message = ex.Message;
			int num = message.LastIndexOf(" LineNumber: ", StringComparison.InvariantCulture);
			message = ((num < 0) ? (message + " Path: " + text + ".") : (message.Substring(0, num) + " Path: " + text + " |" + message.Substring(num)));
			throw new JsonException(message, text, ex.LineNumber, ex.BytePositionInLine, ex);
		}

		[DoesNotReturn]
		public static void ReThrowWithPath(scoped ref ReadStack state, in Utf8JsonReader reader, Exception ex)
		{
			JsonException ex2 = new JsonException(null, ex);
			AddJsonExceptionInformation(ref state, in reader, ex2);
			throw ex2;
		}

		public static void AddJsonExceptionInformation(scoped ref ReadStack state, in Utf8JsonReader reader, JsonException ex)
		{
			long lineNumber = reader.CurrentState._lineNumber;
			ex.LineNumber = lineNumber;
			long bytePositionInLine = reader.CurrentState._bytePositionInLine;
			ex.BytePositionInLine = bytePositionInLine;
			string arg = (ex.Path = state.JsonPath());
			string text2 = ex._message;
			if (string.IsNullOrEmpty(text2))
			{
				Type p = state.Current.JsonPropertyInfo?.PropertyType ?? state.Current.JsonTypeInfo.Type;
				text2 = System.SR.Format(System.SR.DeserializeUnableToConvertValue, p);
				ex.AppendPathInformation = true;
			}
			if (ex.AppendPathInformation)
			{
				text2 += $" Path: {arg} | LineNumber: {lineNumber} | BytePositionInLine: {bytePositionInLine}.";
				ex.SetMessage(text2);
			}
		}

		[DoesNotReturn]
		public static void ReThrowWithPath(ref WriteStack state, Exception ex)
		{
			JsonException ex2 = new JsonException(null, ex);
			AddJsonExceptionInformation(ref state, ex2);
			throw ex2;
		}

		public static void AddJsonExceptionInformation(ref WriteStack state, JsonException ex)
		{
			string text2 = (ex.Path = state.PropertyPath());
			string text3 = ex._message;
			if (string.IsNullOrEmpty(text3))
			{
				text3 = System.SR.Format(System.SR.SerializeUnableToSerialize);
				ex.AppendPathInformation = true;
			}
			if (ex.AppendPathInformation)
			{
				text3 = text3 + " Path: " + text2 + ".";
				ex.SetMessage(text3);
			}
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializationDuplicateAttribute(Type attribute, MemberInfo memberInfo)
		{
			string p = ((memberInfo is Type type) ? type.ToString() : $"{memberInfo.DeclaringType}.{memberInfo.Name}");
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializationDuplicateAttribute, attribute, p));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializationDuplicateTypeAttribute(Type classType, Type attribute)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializationDuplicateTypeAttribute, classType, attribute));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializationDuplicateTypeAttribute<TAttribute>(Type classType)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializationDuplicateTypeAttribute, classType, typeof(TAttribute)));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_SerializationDataExtensionPropertyInvalid(JsonPropertyInfo jsonPropertyInfo)
		{
			throw new InvalidOperationException(System.SR.Format(System.SR.SerializationDataExtensionPropertyInvalid, jsonPropertyInfo.PropertyType, jsonPropertyInfo.MemberName));
		}

		[DoesNotReturn]
		public static void ThrowInvalidOperationException_NodeJsonObjectCustomConverterNotAllowedOnExtensionPropert

plugins/System.Threading.Channels.dll

Decompiled a year ago
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Reflection;
using System.Resources;
using System.Runtime.CompilerServices;
using System.Runtime.ExceptionServices;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Threading;
using System.Threading.Tasks;
using System.Threading.Tasks.Sources;
using FxResources.System.Threading.Channels;
using Internal;
using Microsoft.CodeAnalysis;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: AssemblyMetadata("PreferInbox", "True")]
[assembly: AssemblyDefaultAlias("System.Threading.Channels")]
[assembly: NeutralResourcesLanguage("en-US")]
[assembly: CLSCompliant(true)]
[assembly: AssemblyMetadata("IsTrimmable", "True")]
[assembly: DefaultDllImportSearchPaths(DllImportSearchPath.System32 | DllImportSearchPath.AssemblyDirectory)]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyCopyright("© Microsoft Corporation. All rights reserved.")]
[assembly: AssemblyDescription("Provides types for passing data between producers and consumers.\r\n\r\nCommonly Used Types:\r\nSystem.Threading.Channel\r\nSystem.Threading.Channel<T>")]
[assembly: AssemblyFileVersion("7.0.22.51805")]
[assembly: AssemblyInformationalVersion("7.0.0+d099f075e45d2aa6007a22b71b45a08758559f80")]
[assembly: AssemblyProduct("Microsoft® .NET")]
[assembly: AssemblyTitle("System.Threading.Channels")]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/dotnet/runtime")]
[assembly: AssemblyVersion("7.0.0.0")]
[module: RefSafetyRules(11)]
[module: System.Runtime.CompilerServices.NullablePublicOnly(false)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class NullablePublicOnlyAttribute : Attribute
	{
		public readonly bool IncludesInternals;

		public NullablePublicOnlyAttribute(bool P_0)
		{
			IncludesInternals = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
}
namespace FxResources.System.Threading.Channels
{
	internal static class SR
	{
	}
}
namespace Internal
{
	internal static class PaddingHelpers
	{
		internal const int CACHE_LINE_SIZE = 128;
	}
	[StructLayout(LayoutKind.Explicit, Size = 124)]
	internal struct PaddingFor32
	{
	}
}
namespace System
{
	[StructLayout(LayoutKind.Sequential, Size = 1)]
	internal struct VoidResult
	{
	}
	internal static class SR
	{
		private static readonly bool s_usingResourceKeys = AppContext.TryGetSwitch("System.Resources.UseSystemResourceKeys", out var isEnabled) && isEnabled;

		private static ResourceManager s_resourceManager;

		internal static ResourceManager ResourceManager => s_resourceManager ?? (s_resourceManager = new ResourceManager(typeof(SR)));

		internal static string ChannelClosedException_DefaultMessage => GetResourceString("ChannelClosedException_DefaultMessage");

		internal static string InvalidOperation_IncompleteAsyncOperation => GetResourceString("InvalidOperation_IncompleteAsyncOperation");

		internal static string InvalidOperation_MultipleContinuations => GetResourceString("InvalidOperation_MultipleContinuations");

		internal static string InvalidOperation_IncorrectToken => GetResourceString("InvalidOperation_IncorrectToken");

		private static bool UsingResourceKeys()
		{
			return s_usingResourceKeys;
		}

		internal static string GetResourceString(string resourceKey)
		{
			if (UsingResourceKeys())
			{
				return resourceKey;
			}
			string result = null;
			try
			{
				result = ResourceManager.GetString(resourceKey);
			}
			catch (MissingManifestResourceException)
			{
			}
			return result;
		}

		internal static string GetResourceString(string resourceKey, string defaultString)
		{
			string resourceString = GetResourceString(resourceKey);
			if (!(resourceKey == resourceString) && resourceString != null)
			{
				return resourceString;
			}
			return defaultString;
		}

		internal static string Format(string resourceFormat, object p1)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1);
			}
			return string.Format(resourceFormat, p1);
		}

		internal static string Format(string resourceFormat, object p1, object p2)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2);
			}
			return string.Format(resourceFormat, p1, p2);
		}

		internal static string Format(string resourceFormat, object p1, object p2, object p3)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2, p3);
			}
			return string.Format(resourceFormat, p1, p2, p3);
		}

		internal static string Format(string resourceFormat, params object[] args)
		{
			if (args != null)
			{
				if (UsingResourceKeys())
				{
					return resourceFormat + ", " + string.Join(", ", args);
				}
				return string.Format(resourceFormat, args);
			}
			return resourceFormat;
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, object p1)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1);
			}
			return string.Format(provider, resourceFormat, p1);
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, object p1, object p2)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2);
			}
			return string.Format(provider, resourceFormat, p1, p2);
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, object p1, object p2, object p3)
		{
			if (UsingResourceKeys())
			{
				return string.Join(", ", resourceFormat, p1, p2, p3);
			}
			return string.Format(provider, resourceFormat, p1, p2, p3);
		}

		internal static string Format(IFormatProvider provider, string resourceFormat, params object[] args)
		{
			if (args != null)
			{
				if (UsingResourceKeys())
				{
					return resourceFormat + ", " + string.Join(", ", args);
				}
				return string.Format(provider, resourceFormat, args);
			}
			return resourceFormat;
		}
	}
}
namespace System.Diagnostics.CodeAnalysis
{
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class AllowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class DisallowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	internal sealed class MaybeNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	internal sealed class NotNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class MaybeNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public MaybeNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class NotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public NotNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter | AttributeTargets.ReturnValue, AllowMultiple = true, Inherited = false)]
	internal sealed class NotNullIfNotNullAttribute : Attribute
	{
		public string ParameterName { get; }

		public NotNullIfNotNullAttribute(string parameterName)
		{
			ParameterName = parameterName;
		}
	}
	[AttributeUsage(AttributeTargets.Method, Inherited = false)]
	internal sealed class DoesNotReturnAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class DoesNotReturnIfAttribute : Attribute
	{
		public bool ParameterValue { get; }

		public DoesNotReturnIfAttribute(bool parameterValue)
		{
			ParameterValue = parameterValue;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	internal sealed class MemberNotNullAttribute : Attribute
	{
		public string[] Members { get; }

		public MemberNotNullAttribute(string member)
		{
			Members = new string[1] { member };
		}

		public MemberNotNullAttribute(params string[] members)
		{
			Members = members;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	internal sealed class MemberNotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public string[] Members { get; }

		public MemberNotNullWhenAttribute(bool returnValue, string member)
		{
			ReturnValue = returnValue;
			Members = new string[1] { member };
		}

		public MemberNotNullWhenAttribute(bool returnValue, params string[] members)
		{
			ReturnValue = returnValue;
			Members = members;
		}
	}
}
namespace System.Runtime.InteropServices
{
	[AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = false)]
	internal sealed class LibraryImportAttribute : Attribute
	{
		public string LibraryName { get; }

		public string EntryPoint { get; set; }

		public StringMarshalling StringMarshalling { get; set; }

		public Type StringMarshallingCustomType { get; set; }

		public bool SetLastError { get; set; }

		public LibraryImportAttribute(string libraryName)
		{
			LibraryName = libraryName;
		}
	}
	internal enum StringMarshalling
	{
		Custom,
		Utf8,
		Utf16
	}
}
namespace System.Collections.Generic
{
	[DebuggerDisplay("Count = {_size}")]
	internal sealed class Deque<T>
	{
		private T[] _array = Array.Empty<T>();

		private int _head;

		private int _tail;

		private int _size;

		public int Count => _size;

		public bool IsEmpty => _size == 0;

		public void EnqueueTail(T item)
		{
			if (_size == _array.Length)
			{
				Grow();
			}
			_array[_tail] = item;
			if (++_tail == _array.Length)
			{
				_tail = 0;
			}
			_size++;
		}

		public T DequeueHead()
		{
			T result = _array[_head];
			_array[_head] = default(T);
			if (++_head == _array.Length)
			{
				_head = 0;
			}
			_size--;
			return result;
		}

		public T PeekHead()
		{
			return _array[_head];
		}

		public T PeekTail()
		{
			int num = _tail - 1;
			if (num == -1)
			{
				num = _array.Length - 1;
			}
			return _array[num];
		}

		public T DequeueTail()
		{
			if (--_tail == -1)
			{
				_tail = _array.Length - 1;
			}
			T result = _array[_tail];
			_array[_tail] = default(T);
			_size--;
			return result;
		}

		public IEnumerator<T> GetEnumerator()
		{
			int pos = _head;
			int count = _size;
			while (count-- > 0)
			{
				yield return _array[pos];
				pos = (pos + 1) % _array.Length;
			}
		}

		private void Grow()
		{
			int num = (int)((long)_array.Length * 2L);
			if (num < _array.Length + 4)
			{
				num = _array.Length + 4;
			}
			T[] array = new T[num];
			if (_head == 0)
			{
				Array.Copy(_array, array, _size);
			}
			else
			{
				Array.Copy(_array, _head, array, 0, _array.Length - _head);
				Array.Copy(_array, 0, array, _array.Length - _head, _tail);
			}
			_array = array;
			_head = 0;
			_tail = _size;
		}
	}
}
namespace System.Collections.Concurrent
{
	[DebuggerDisplay("Count = {Count}")]
	[DebuggerTypeProxy(typeof(SingleProducerSingleConsumerQueue<>.SingleProducerSingleConsumerQueue_DebugView))]
	internal sealed class SingleProducerSingleConsumerQueue<T> : IEnumerable<T>, IEnumerable
	{
		[StructLayout(LayoutKind.Sequential)]
		private sealed class Segment
		{
			internal Segment _next;

			internal readonly T[] _array;

			internal SegmentState _state;

			internal Segment(int size)
			{
				_array = new T[size];
			}
		}

		private struct SegmentState
		{
			internal Internal.PaddingFor32 _pad0;

			internal volatile int _first;

			internal int _lastCopy;

			internal Internal.PaddingFor32 _pad1;

			internal int _firstCopy;

			internal volatile int _last;

			internal Internal.PaddingFor32 _pad2;
		}

		private sealed class SingleProducerSingleConsumerQueue_DebugView
		{
			private readonly SingleProducerSingleConsumerQueue<T> _queue;

			[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
			public T[] Items => new List<T>(_queue).ToArray();

			public SingleProducerSingleConsumerQueue_DebugView(SingleProducerSingleConsumerQueue<T> queue)
			{
				_queue = queue;
			}
		}

		private const int InitialSegmentSize = 32;

		private const int MaxSegmentSize = 16777216;

		private volatile Segment _head;

		private volatile Segment _tail;

		public bool IsEmpty
		{
			get
			{
				Segment head = _head;
				if (head._state._first != head._state._lastCopy)
				{
					return false;
				}
				if (head._state._first != head._state._last)
				{
					return false;
				}
				return head._next == null;
			}
		}

		internal int Count
		{
			get
			{
				int num = 0;
				for (Segment segment = _head; segment != null; segment = segment._next)
				{
					int num2 = segment._array.Length;
					int first;
					int last;
					do
					{
						first = segment._state._first;
						last = segment._state._last;
					}
					while (first != segment._state._first);
					num += (last - first) & (num2 - 1);
				}
				return num;
			}
		}

		public SingleProducerSingleConsumerQueue()
		{
			_head = (_tail = new Segment(32));
		}

		public void Enqueue(T item)
		{
			Segment segment = _tail;
			T[] array = segment._array;
			int last = segment._state._last;
			int num = (last + 1) & (array.Length - 1);
			if (num != segment._state._firstCopy)
			{
				array[last] = item;
				segment._state._last = num;
			}
			else
			{
				EnqueueSlow(item, ref segment);
			}
		}

		private void EnqueueSlow(T item, ref Segment segment)
		{
			if (segment._state._firstCopy != segment._state._first)
			{
				segment._state._firstCopy = segment._state._first;
				Enqueue(item);
				return;
			}
			int num = _tail._array.Length << 1;
			if (num > 16777216)
			{
				num = 16777216;
			}
			Segment segment2 = new Segment(num);
			segment2._array[0] = item;
			segment2._state._last = 1;
			segment2._state._lastCopy = 1;
			try
			{
			}
			finally
			{
				Volatile.Write(ref _tail._next, segment2);
				_tail = segment2;
			}
		}

		public bool TryDequeue([MaybeNullWhen(false)] out T result)
		{
			Segment head = _head;
			T[] array = head._array;
			int first = head._state._first;
			if (first != head._state._lastCopy)
			{
				result = array[first];
				array[first] = default(T);
				head._state._first = (first + 1) & (array.Length - 1);
				return true;
			}
			return TryDequeueSlow(head, array, peek: false, out result);
		}

		public bool TryPeek([MaybeNullWhen(false)] out T result)
		{
			Segment head = _head;
			T[] array = head._array;
			int first = head._state._first;
			if (first != head._state._lastCopy)
			{
				result = array[first];
				return true;
			}
			return TryDequeueSlow(head, array, peek: true, out result);
		}

		private bool TryDequeueSlow(Segment segment, T[] array, bool peek, [MaybeNullWhen(false)] out T result)
		{
			if (segment._state._last != segment._state._lastCopy)
			{
				segment._state._lastCopy = segment._state._last;
				if (!peek)
				{
					return TryDequeue(out result);
				}
				return TryPeek(out result);
			}
			if (segment._next != null && segment._state._first == segment._state._last)
			{
				segment = segment._next;
				array = segment._array;
				_head = segment;
			}
			int first = segment._state._first;
			if (first == segment._state._last)
			{
				result = default(T);
				return false;
			}
			result = array[first];
			if (!peek)
			{
				array[first] = default(T);
				segment._state._first = (first + 1) & (segment._array.Length - 1);
				segment._state._lastCopy = segment._state._last;
			}
			return true;
		}

		public IEnumerator<T> GetEnumerator()
		{
			for (Segment segment = _head; segment != null; segment = segment._next)
			{
				for (int pt = segment._state._first; pt != segment._state._last; pt = (pt + 1) & (segment._array.Length - 1))
				{
					yield return segment._array[pt];
				}
			}
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}
	}
}
namespace System.Threading.Channels
{
	internal abstract class AsyncOperation
	{
		protected static readonly Action<object> s_availableSentinel = AvailableSentinel;

		protected static readonly Action<object> s_completedSentinel = CompletedSentinel;

		private static void AvailableSentinel(object s)
		{
		}

		private static void CompletedSentinel(object s)
		{
		}

		protected static void ThrowIncompleteOperationException()
		{
			throw new InvalidOperationException(System.SR.InvalidOperation_IncompleteAsyncOperation);
		}

		protected static void ThrowMultipleContinuations()
		{
			throw new InvalidOperationException(System.SR.InvalidOperation_MultipleContinuations);
		}

		protected static void ThrowIncorrectCurrentIdException()
		{
			throw new InvalidOperationException(System.SR.InvalidOperation_IncorrectToken);
		}
	}
	internal class AsyncOperation<TResult> : AsyncOperation, IValueTaskSource, IValueTaskSource<TResult>
	{
		private readonly CancellationTokenRegistration _registration;

		private readonly bool _pooled;

		private readonly bool _runContinuationsAsynchronously;

		private volatile int _completionReserved;

		private TResult _result;

		private ExceptionDispatchInfo _error;

		private Action<object> _continuation;

		private object _continuationState;

		private object _schedulingContext;

		private ExecutionContext _executionContext;

		private short _currentId;

		public AsyncOperation<TResult> Next { get; set; }

		public CancellationToken CancellationToken { get; }

		public ValueTask ValueTask => new ValueTask(this, _currentId);

		public ValueTask<TResult> ValueTaskOfT => new ValueTask<TResult>(this, _currentId);

		internal bool IsCompleted => (object)_continuation == AsyncOperation.s_completedSentinel;

		public AsyncOperation(bool runContinuationsAsynchronously, CancellationToken cancellationToken = default(CancellationToken), bool pooled = false)
		{
			_continuation = (pooled ? AsyncOperation.s_availableSentinel : null);
			_pooled = pooled;
			_runContinuationsAsynchronously = runContinuationsAsynchronously;
			if (cancellationToken.CanBeCanceled)
			{
				CancellationToken = cancellationToken;
				_registration = UnsafeRegister(cancellationToken, delegate(object s)
				{
					AsyncOperation<TResult> asyncOperation = (AsyncOperation<TResult>)s;
					asyncOperation.TrySetCanceled(asyncOperation.CancellationToken);
				}, this);
			}
		}

		public ValueTaskSourceStatus GetStatus(short token)
		{
			if (_currentId != token)
			{
				AsyncOperation.ThrowIncorrectCurrentIdException();
			}
			if (IsCompleted)
			{
				if (_error != null)
				{
					if (!(_error.SourceException is OperationCanceledException))
					{
						return ValueTaskSourceStatus.Faulted;
					}
					return ValueTaskSourceStatus.Canceled;
				}
				return ValueTaskSourceStatus.Succeeded;
			}
			return ValueTaskSourceStatus.Pending;
		}

		public TResult GetResult(short token)
		{
			if (_currentId != token)
			{
				AsyncOperation.ThrowIncorrectCurrentIdException();
			}
			if (!IsCompleted)
			{
				AsyncOperation.ThrowIncompleteOperationException();
			}
			ExceptionDispatchInfo error = _error;
			TResult result = _result;
			_currentId++;
			if (_pooled)
			{
				Volatile.Write(ref _continuation, AsyncOperation.s_availableSentinel);
			}
			error?.Throw();
			return result;
		}

		void IValueTaskSource.GetResult(short token)
		{
			if (_currentId != token)
			{
				AsyncOperation.ThrowIncorrectCurrentIdException();
			}
			if (!IsCompleted)
			{
				AsyncOperation.ThrowIncompleteOperationException();
			}
			ExceptionDispatchInfo error = _error;
			_currentId++;
			if (_pooled)
			{
				Volatile.Write(ref _continuation, AsyncOperation.s_availableSentinel);
			}
			error?.Throw();
		}

		public bool TryOwnAndReset()
		{
			if ((object)Interlocked.CompareExchange(ref _continuation, null, AsyncOperation.s_availableSentinel) == AsyncOperation.s_availableSentinel)
			{
				_continuationState = null;
				_result = default(TResult);
				_error = null;
				_schedulingContext = null;
				_executionContext = null;
				return true;
			}
			return false;
		}

		public void OnCompleted(Action<object> continuation, object state, short token, ValueTaskSourceOnCompletedFlags flags)
		{
			if (_currentId != token)
			{
				AsyncOperation.ThrowIncorrectCurrentIdException();
			}
			if (_continuationState != null)
			{
				AsyncOperation.ThrowMultipleContinuations();
			}
			_continuationState = state;
			if ((flags & ValueTaskSourceOnCompletedFlags.FlowExecutionContext) != 0)
			{
				_executionContext = ExecutionContext.Capture();
			}
			SynchronizationContext synchronizationContext = null;
			TaskScheduler taskScheduler = null;
			if ((flags & ValueTaskSourceOnCompletedFlags.UseSchedulingContext) != 0)
			{
				synchronizationContext = SynchronizationContext.Current;
				if (synchronizationContext != null && synchronizationContext.GetType() != typeof(SynchronizationContext))
				{
					_schedulingContext = synchronizationContext;
				}
				else
				{
					synchronizationContext = null;
					taskScheduler = TaskScheduler.Current;
					if (taskScheduler != TaskScheduler.Default)
					{
						_schedulingContext = taskScheduler;
					}
				}
			}
			Action<object> action = Interlocked.CompareExchange(ref _continuation, continuation, null);
			if (action == null)
			{
				return;
			}
			if ((object)action != AsyncOperation.s_completedSentinel)
			{
				AsyncOperation.ThrowMultipleContinuations();
			}
			if (_schedulingContext == null)
			{
				if (_executionContext == null)
				{
					UnsafeQueueUserWorkItem(continuation, state);
				}
				else
				{
					QueueUserWorkItem(continuation, state);
				}
			}
			else if (synchronizationContext != null)
			{
				synchronizationContext.Post(delegate(object s)
				{
					KeyValuePair<Action<object>, object> keyValuePair = (KeyValuePair<Action<object>, object>)s;
					keyValuePair.Key(keyValuePair.Value);
				}, new KeyValuePair<Action<object>, object>(continuation, state));
			}
			else
			{
				Task.Factory.StartNew(continuation, state, CancellationToken.None, TaskCreationOptions.DenyChildAttach, taskScheduler);
			}
		}

		public bool UnregisterCancellation()
		{
			if (CancellationToken.CanBeCanceled)
			{
				CancellationTokenRegistration registration = _registration;
				registration.Dispose();
				return _completionReserved == 0;
			}
			return true;
		}

		public bool TrySetResult(TResult item)
		{
			UnregisterCancellation();
			if (TryReserveCompletionIfCancelable())
			{
				_result = item;
				SignalCompletion();
				return true;
			}
			return false;
		}

		public bool TrySetException(Exception exception)
		{
			UnregisterCancellation();
			if (TryReserveCompletionIfCancelable())
			{
				_error = ExceptionDispatchInfo.Capture(exception);
				SignalCompletion();
				return true;
			}
			return false;
		}

		public bool TrySetCanceled(CancellationToken cancellationToken = default(CancellationToken))
		{
			if (TryReserveCompletionIfCancelable())
			{
				_error = ExceptionDispatchInfo.Capture(new OperationCanceledException(cancellationToken));
				SignalCompletion();
				return true;
			}
			return false;
		}

		private bool TryReserveCompletionIfCancelable()
		{
			if (CancellationToken.CanBeCanceled)
			{
				return Interlocked.CompareExchange(ref _completionReserved, 1, 0) == 0;
			}
			return true;
		}

		private void SignalCompletion()
		{
			if (_continuation == null && Interlocked.CompareExchange(ref _continuation, AsyncOperation.s_completedSentinel, null) == null)
			{
				return;
			}
			if (_schedulingContext == null)
			{
				if (_runContinuationsAsynchronously)
				{
					UnsafeQueueSetCompletionAndInvokeContinuation();
					return;
				}
			}
			else if (_schedulingContext is SynchronizationContext synchronizationContext)
			{
				if (_runContinuationsAsynchronously || synchronizationContext != SynchronizationContext.Current)
				{
					synchronizationContext.Post(delegate(object s)
					{
						((AsyncOperation<TResult>)s).SetCompletionAndInvokeContinuation();
					}, this);
					return;
				}
			}
			else
			{
				TaskScheduler taskScheduler = (TaskScheduler)_schedulingContext;
				if (_runContinuationsAsynchronously || taskScheduler != TaskScheduler.Current)
				{
					Task.Factory.StartNew(delegate(object s)
					{
						((AsyncOperation<TResult>)s).SetCompletionAndInvokeContinuation();
					}, this, CancellationToken.None, TaskCreationOptions.DenyChildAttach, taskScheduler);
					return;
				}
			}
			SetCompletionAndInvokeContinuation();
		}

		private void SetCompletionAndInvokeContinuation()
		{
			if (_executionContext == null)
			{
				Action<object> continuation = _continuation;
				_continuation = AsyncOperation.s_completedSentinel;
				continuation(_continuationState);
				return;
			}
			ExecutionContext.Run(_executionContext, delegate(object s)
			{
				AsyncOperation<TResult> asyncOperation = (AsyncOperation<TResult>)s;
				Action<object> continuation2 = asyncOperation._continuation;
				asyncOperation._continuation = AsyncOperation.s_completedSentinel;
				continuation2(asyncOperation._continuationState);
			}, this);
		}

		private void UnsafeQueueSetCompletionAndInvokeContinuation()
		{
			ThreadPool.UnsafeQueueUserWorkItem(delegate(object s)
			{
				((AsyncOperation<TResult>)s).SetCompletionAndInvokeContinuation();
			}, this);
		}

		private static void UnsafeQueueUserWorkItem(Action<object> action, object state)
		{
			QueueUserWorkItem(action, state);
		}

		private static void QueueUserWorkItem(Action<object> action, object state)
		{
			Task.Factory.StartNew(action, state, CancellationToken.None, TaskCreationOptions.DenyChildAttach, TaskScheduler.Default);
		}

		private static CancellationTokenRegistration UnsafeRegister(CancellationToken cancellationToken, Action<object> action, object state)
		{
			return cancellationToken.Register(action, state);
		}
	}
	internal sealed class VoidAsyncOperationWithData<TData> : AsyncOperation<VoidResult>
	{
		public TData Item { get; set; }

		public VoidAsyncOperationWithData(bool runContinuationsAsynchronously, CancellationToken cancellationToken = default(CancellationToken), bool pooled = false)
			: base(runContinuationsAsynchronously, cancellationToken, pooled)
		{
		}
	}
	[DebuggerDisplay("Items={ItemsCountForDebugger}, Capacity={_bufferedCapacity}, Mode={_mode}, Closed={ChannelIsClosedForDebugger}")]
	[DebuggerTypeProxy(typeof(DebugEnumeratorDebugView<>))]
	internal sealed class BoundedChannel<T> : Channel<T>, IDebugEnumerable<T>
	{
		[DebuggerDisplay("Items={ItemsCountForDebugger}")]
		[DebuggerTypeProxy(typeof(DebugEnumeratorDebugView<>))]
		private sealed class BoundedChannelReader : ChannelReader<T>, IDebugEnumerable<T>
		{
			internal readonly BoundedChannel<T> _parent;

			private readonly AsyncOperation<T> _readerSingleton;

			private readonly AsyncOperation<bool> _waiterSingleton;

			public override Task Completion => _parent._completion.Task;

			public override bool CanCount => true;

			public override bool CanPeek => true;

			public override int Count
			{
				get
				{
					BoundedChannel<T> parent = _parent;
					lock (parent.SyncObj)
					{
						return parent._items.Count;
					}
				}
			}

			private int ItemsCountForDebugger => _parent._items.Count;

			internal BoundedChannelReader(BoundedChannel<T> parent)
			{
				_parent = parent;
				_readerSingleton = new AsyncOperation<T>(parent._runContinuationsAsynchronously, default(CancellationToken), pooled: true);
				_waiterSingleton = new AsyncOperation<bool>(parent._runContinuationsAsynchronously, default(CancellationToken), pooled: true);
			}

			public override bool TryRead([MaybeNullWhen(false)] out T item)
			{
				BoundedChannel<T> parent = _parent;
				lock (parent.SyncObj)
				{
					if (!parent._items.IsEmpty)
					{
						item = DequeueItemAndPostProcess();
						return true;
					}
				}
				item = default(T);
				return false;
			}

			public override bool TryPeek([MaybeNullWhen(false)] out T item)
			{
				BoundedChannel<T> parent = _parent;
				lock (parent.SyncObj)
				{
					if (!parent._items.IsEmpty)
					{
						item = parent._items.PeekHead();
						return true;
					}
				}
				item = default(T);
				return false;
			}

			public override ValueTask<T> ReadAsync(CancellationToken cancellationToken)
			{
				if (cancellationToken.IsCancellationRequested)
				{
					return new ValueTask<T>(Task.FromCanceled<T>(cancellationToken));
				}
				BoundedChannel<T> parent = _parent;
				lock (parent.SyncObj)
				{
					if (!parent._items.IsEmpty)
					{
						return new ValueTask<T>(DequeueItemAndPostProcess());
					}
					if (parent._doneWriting != null)
					{
						return ChannelUtilities.GetInvalidCompletionValueTask<T>(parent._doneWriting);
					}
					if (!cancellationToken.CanBeCanceled)
					{
						AsyncOperation<T> readerSingleton = _readerSingleton;
						if (readerSingleton.TryOwnAndReset())
						{
							parent._blockedReaders.EnqueueTail(readerSingleton);
							return readerSingleton.ValueTaskOfT;
						}
					}
					AsyncOperation<T> asyncOperation = new AsyncOperation<T>(parent._runContinuationsAsynchronously | cancellationToken.CanBeCanceled, cancellationToken);
					parent._blockedReaders.EnqueueTail(asyncOperation);
					return asyncOperation.ValueTaskOfT;
				}
			}

			public override ValueTask<bool> WaitToReadAsync(CancellationToken cancellationToken)
			{
				if (cancellationToken.IsCancellationRequested)
				{
					return new ValueTask<bool>(Task.FromCanceled<bool>(cancellationToken));
				}
				BoundedChannel<T> parent = _parent;
				lock (parent.SyncObj)
				{
					if (!parent._items.IsEmpty)
					{
						return new ValueTask<bool>(result: true);
					}
					if (parent._doneWriting != null)
					{
						return (parent._doneWriting != ChannelUtilities.s_doneWritingSentinel) ? new ValueTask<bool>(Task.FromException<bool>(parent._doneWriting)) : default(ValueTask<bool>);
					}
					if (!cancellationToken.CanBeCanceled)
					{
						AsyncOperation<bool> waiterSingleton = _waiterSingleton;
						if (waiterSingleton.TryOwnAndReset())
						{
							ChannelUtilities.QueueWaiter(ref parent._waitingReadersTail, waiterSingleton);
							return waiterSingleton.ValueTaskOfT;
						}
					}
					AsyncOperation<bool> asyncOperation = new AsyncOperation<bool>(parent._runContinuationsAsynchronously | cancellationToken.CanBeCanceled, cancellationToken);
					ChannelUtilities.QueueWaiter(ref _parent._waitingReadersTail, asyncOperation);
					return asyncOperation.ValueTaskOfT;
				}
			}

			private T DequeueItemAndPostProcess()
			{
				BoundedChannel<T> parent = _parent;
				T result = parent._items.DequeueHead();
				if (parent._doneWriting != null)
				{
					if (parent._items.IsEmpty)
					{
						ChannelUtilities.Complete(parent._completion, parent._doneWriting);
					}
				}
				else
				{
					while (!parent._blockedWriters.IsEmpty)
					{
						VoidAsyncOperationWithData<T> voidAsyncOperationWithData = parent._blockedWriters.DequeueHead();
						if (voidAsyncOperationWithData.TrySetResult(default(VoidResult)))
						{
							parent._items.EnqueueTail(voidAsyncOperationWithData.Item);
							return result;
						}
					}
					ChannelUtilities.WakeUpWaiters(ref parent._waitingWritersTail, result: true);
				}
				return result;
			}

			IEnumerator<T> IDebugEnumerable<T>.GetEnumerator()
			{
				return _parent._items.GetEnumerator();
			}
		}

		[DebuggerDisplay("Items={ItemsCountForDebugger}, Capacity={CapacityForDebugger}")]
		[DebuggerTypeProxy(typeof(DebugEnumeratorDebugView<>))]
		private sealed class BoundedChannelWriter : ChannelWriter<T>, IDebugEnumerable<T>
		{
			internal readonly BoundedChannel<T> _parent;

			private readonly VoidAsyncOperationWithData<T> _writerSingleton;

			private readonly AsyncOperation<bool> _waiterSingleton;

			private int ItemsCountForDebugger => _parent._items.Count;

			private int CapacityForDebugger => _parent._bufferedCapacity;

			internal BoundedChannelWriter(BoundedChannel<T> parent)
			{
				_parent = parent;
				_writerSingleton = new VoidAsyncOperationWithData<T>(runContinuationsAsynchronously: true, default(CancellationToken), pooled: true);
				_waiterSingleton = new AsyncOperation<bool>(runContinuationsAsynchronously: true, default(CancellationToken), pooled: true);
			}

			public override bool TryComplete(Exception error)
			{
				BoundedChannel<T> parent = _parent;
				bool isEmpty;
				lock (parent.SyncObj)
				{
					if (parent._doneWriting != null)
					{
						return false;
					}
					parent._doneWriting = error ?? ChannelUtilities.s_doneWritingSentinel;
					isEmpty = parent._items.IsEmpty;
				}
				if (isEmpty)
				{
					ChannelUtilities.Complete(parent._completion, error);
				}
				ChannelUtilities.FailOperations<AsyncOperation<T>, T>(parent._blockedReaders, ChannelUtilities.CreateInvalidCompletionException(error));
				ChannelUtilities.FailOperations<VoidAsyncOperationWithData<T>, VoidResult>(parent._blockedWriters, ChannelUtilities.CreateInvalidCompletionException(error));
				ChannelUtilities.WakeUpWaiters(ref parent._waitingReadersTail, result: false, error);
				ChannelUtilities.WakeUpWaiters(ref parent._waitingWritersTail, result: false, error);
				return true;
			}

			public override bool TryWrite(T item)
			{
				AsyncOperation<T> asyncOperation = null;
				AsyncOperation<bool> listTail = null;
				BoundedChannel<T> parent = _parent;
				bool lockTaken = false;
				try
				{
					Monitor.Enter(parent.SyncObj, ref lockTaken);
					if (parent._doneWriting != null)
					{
						return false;
					}
					int count = parent._items.Count;
					if (count != 0)
					{
						if (count < parent._bufferedCapacity)
						{
							parent._items.EnqueueTail(item);
							return true;
						}
						if (parent._mode == BoundedChannelFullMode.Wait)
						{
							return false;
						}
						if (parent._mode == BoundedChannelFullMode.DropWrite)
						{
							Monitor.Exit(parent.SyncObj);
							lockTaken = false;
							parent._itemDropped?.Invoke(item);
							return true;
						}
						T obj = ((parent._mode == BoundedChannelFullMode.DropNewest) ? parent._items.DequeueTail() : parent._items.DequeueHead());
						parent._items.EnqueueTail(item);
						Monitor.Exit(parent.SyncObj);
						lockTaken = false;
						parent._itemDropped?.Invoke(obj);
						return true;
					}
					while (!parent._blockedReaders.IsEmpty)
					{
						AsyncOperation<T> asyncOperation2 = parent._blockedReaders.DequeueHead();
						if (asyncOperation2.UnregisterCancellation())
						{
							asyncOperation = asyncOperation2;
							break;
						}
					}
					if (asyncOperation == null)
					{
						parent._items.EnqueueTail(item);
						listTail = parent._waitingReadersTail;
						if (listTail == null)
						{
							return true;
						}
						parent._waitingReadersTail = null;
					}
				}
				finally
				{
					if (lockTaken)
					{
						Monitor.Exit(parent.SyncObj);
					}
				}
				if (asyncOperation != null)
				{
					bool flag = asyncOperation.TrySetResult(item);
				}
				else
				{
					ChannelUtilities.WakeUpWaiters(ref listTail, result: true);
				}
				return true;
			}

			public override ValueTask<bool> WaitToWriteAsync(CancellationToken cancellationToken)
			{
				if (cancellationToken.IsCancellationRequested)
				{
					return new ValueTask<bool>(Task.FromCanceled<bool>(cancellationToken));
				}
				BoundedChannel<T> parent = _parent;
				lock (parent.SyncObj)
				{
					if (parent._doneWriting != null)
					{
						return (parent._doneWriting != ChannelUtilities.s_doneWritingSentinel) ? new ValueTask<bool>(Task.FromException<bool>(parent._doneWriting)) : default(ValueTask<bool>);
					}
					if (parent._items.Count < parent._bufferedCapacity || parent._mode != 0)
					{
						return new ValueTask<bool>(result: true);
					}
					if (!cancellationToken.CanBeCanceled)
					{
						AsyncOperation<bool> waiterSingleton = _waiterSingleton;
						if (waiterSingleton.TryOwnAndReset())
						{
							ChannelUtilities.QueueWaiter(ref parent._waitingWritersTail, waiterSingleton);
							return waiterSingleton.ValueTaskOfT;
						}
					}
					AsyncOperation<bool> asyncOperation = new AsyncOperation<bool>(runContinuationsAsynchronously: true, cancellationToken);
					ChannelUtilities.QueueWaiter(ref parent._waitingWritersTail, asyncOperation);
					return asyncOperation.ValueTaskOfT;
				}
			}

			public override ValueTask WriteAsync(T item, CancellationToken cancellationToken)
			{
				if (cancellationToken.IsCancellationRequested)
				{
					return new ValueTask(Task.FromCanceled(cancellationToken));
				}
				AsyncOperation<T> asyncOperation = null;
				AsyncOperation<bool> listTail = null;
				BoundedChannel<T> parent = _parent;
				bool lockTaken = false;
				try
				{
					Monitor.Enter(parent.SyncObj, ref lockTaken);
					if (parent._doneWriting != null)
					{
						return new ValueTask(Task.FromException(ChannelUtilities.CreateInvalidCompletionException(parent._doneWriting)));
					}
					int count = parent._items.Count;
					if (count != 0)
					{
						if (count < parent._bufferedCapacity)
						{
							parent._items.EnqueueTail(item);
							return default(ValueTask);
						}
						if (parent._mode == BoundedChannelFullMode.Wait)
						{
							if (!cancellationToken.CanBeCanceled)
							{
								VoidAsyncOperationWithData<T> writerSingleton = _writerSingleton;
								if (writerSingleton.TryOwnAndReset())
								{
									writerSingleton.Item = item;
									parent._blockedWriters.EnqueueTail(writerSingleton);
									return writerSingleton.ValueTask;
								}
							}
							VoidAsyncOperationWithData<T> voidAsyncOperationWithData = new VoidAsyncOperationWithData<T>(runContinuationsAsynchronously: true, cancellationToken);
							voidAsyncOperationWithData.Item = item;
							parent._blockedWriters.EnqueueTail(voidAsyncOperationWithData);
							return voidAsyncOperationWithData.ValueTask;
						}
						if (parent._mode == BoundedChannelFullMode.DropWrite)
						{
							Monitor.Exit(parent.SyncObj);
							lockTaken = false;
							parent._itemDropped?.Invoke(item);
							return default(ValueTask);
						}
						T obj = ((parent._mode == BoundedChannelFullMode.DropNewest) ? parent._items.DequeueTail() : parent._items.DequeueHead());
						parent._items.EnqueueTail(item);
						Monitor.Exit(parent.SyncObj);
						lockTaken = false;
						parent._itemDropped?.Invoke(obj);
						return default(ValueTask);
					}
					while (!parent._blockedReaders.IsEmpty)
					{
						AsyncOperation<T> asyncOperation2 = parent._blockedReaders.DequeueHead();
						if (asyncOperation2.UnregisterCancellation())
						{
							asyncOperation = asyncOperation2;
							break;
						}
					}
					if (asyncOperation == null)
					{
						parent._items.EnqueueTail(item);
						listTail = parent._waitingReadersTail;
						if (listTail == null)
						{
							return default(ValueTask);
						}
						parent._waitingReadersTail = null;
					}
				}
				finally
				{
					if (lockTaken)
					{
						Monitor.Exit(parent.SyncObj);
					}
				}
				if (asyncOperation != null)
				{
					bool flag = asyncOperation.TrySetResult(item);
				}
				else
				{
					ChannelUtilities.WakeUpWaiters(ref listTail, result: true);
				}
				return default(ValueTask);
			}

			IEnumerator<T> IDebugEnumerable<T>.GetEnumerator()
			{
				return _parent._items.GetEnumerator();
			}
		}

		private readonly BoundedChannelFullMode _mode;

		private readonly Action<T> _itemDropped;

		private readonly TaskCompletionSource _completion;

		private readonly int _bufferedCapacity;

		private readonly Deque<T> _items = new Deque<T>();

		private readonly Deque<AsyncOperation<T>> _blockedReaders = new Deque<AsyncOperation<T>>();

		private readonly Deque<VoidAsyncOperationWithData<T>> _blockedWriters = new Deque<VoidAsyncOperationWithData<T>>();

		private AsyncOperation<bool> _waitingReadersTail;

		private AsyncOperation<bool> _waitingWritersTail;

		private readonly bool _runContinuationsAsynchronously;

		private Exception _doneWriting;

		private object SyncObj => _items;

		private int ItemsCountForDebugger => _items.Count;

		private bool ChannelIsClosedForDebugger => _doneWriting != null;

		internal BoundedChannel(int bufferedCapacity, BoundedChannelFullMode mode, bool runContinuationsAsynchronously, Action<T> itemDropped)
		{
			_bufferedCapacity = bufferedCapacity;
			_mode = mode;
			_runContinuationsAsynchronously = runContinuationsAsynchronously;
			_itemDropped = itemDropped;
			_completion = new TaskCompletionSource(runContinuationsAsynchronously ? TaskCreationOptions.RunContinuationsAsynchronously : TaskCreationOptions.None);
			base.Reader = new BoundedChannelReader(this);
			base.Writer = new BoundedChannelWriter(this);
		}

		[Conditional("DEBUG")]
		private void AssertInvariants()
		{
			_ = _items.IsEmpty;
			_ = _items.Count;
			_ = _bufferedCapacity;
			_ = _blockedReaders.IsEmpty;
			_ = _blockedWriters.IsEmpty;
			_ = _completion.Task.IsCompleted;
		}

		IEnumerator<T> IDebugEnumerable<T>.GetEnumerator()
		{
			return _items.GetEnumerator();
		}
	}
	public enum BoundedChannelFullMode
	{
		Wait,
		DropNewest,
		DropOldest,
		DropWrite
	}
	public static class Channel
	{
		public static Channel<T> CreateUnbounded<T>()
		{
			return new UnboundedChannel<T>(runContinuationsAsynchronously: true);
		}

		public static Channel<T> CreateUnbounded<T>(UnboundedChannelOptions options)
		{
			if (options == null)
			{
				throw new ArgumentNullException("options");
			}
			if (options.SingleReader)
			{
				return new SingleConsumerUnboundedChannel<T>(!options.AllowSynchronousContinuations);
			}
			return new UnboundedChannel<T>(!options.AllowSynchronousContinuations);
		}

		public static Channel<T> CreateBounded<T>(int capacity)
		{
			if (capacity < 1)
			{
				throw new ArgumentOutOfRangeException("capacity");
			}
			return new BoundedChannel<T>(capacity, BoundedChannelFullMode.Wait, runContinuationsAsynchronously: true, null);
		}

		public static Channel<T> CreateBounded<T>(BoundedChannelOptions options)
		{
			return CreateBounded<T>(options, null);
		}

		public static Channel<T> CreateBounded<T>(BoundedChannelOptions options, Action<T>? itemDropped)
		{
			if (options == null)
			{
				throw new ArgumentNullException("options");
			}
			return new BoundedChannel<T>(options.Capacity, options.FullMode, !options.AllowSynchronousContinuations, itemDropped);
		}
	}
	public class ChannelClosedException : InvalidOperationException
	{
		public ChannelClosedException()
			: base(System.SR.ChannelClosedException_DefaultMessage)
		{
		}

		public ChannelClosedException(string? message)
			: base(message)
		{
		}

		public ChannelClosedException(Exception? innerException)
			: base(System.SR.ChannelClosedException_DefaultMessage, innerException)
		{
		}

		public ChannelClosedException(string? message, Exception? innerException)
			: base(message, innerException)
		{
		}
	}
	public abstract class ChannelOptions
	{
		public bool SingleWriter { get; set; }

		public bool SingleReader { get; set; }

		public bool AllowSynchronousContinuations { get; set; }
	}
	public sealed class BoundedChannelOptions : ChannelOptions
	{
		private int _capacity;

		private BoundedChannelFullMode _mode;

		public int Capacity
		{
			get
			{
				return _capacity;
			}
			set
			{
				if (value < 1)
				{
					throw new ArgumentOutOfRangeException("value");
				}
				_capacity = value;
			}
		}

		public BoundedChannelFullMode FullMode
		{
			get
			{
				return _mode;
			}
			set
			{
				if ((uint)value <= 3u)
				{
					_mode = value;
					return;
				}
				throw new ArgumentOutOfRangeException("value");
			}
		}

		public BoundedChannelOptions(int capacity)
		{
			if (capacity < 1)
			{
				throw new ArgumentOutOfRangeException("capacity");
			}
			_capacity = capacity;
		}
	}
	public sealed class UnboundedChannelOptions : ChannelOptions
	{
	}
	public abstract class ChannelReader<T>
	{
		public virtual Task Completion => ChannelUtilities.s_neverCompletingTask;

		public virtual bool CanCount => false;

		public virtual bool CanPeek => false;

		public virtual int Count
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public abstract bool TryRead([MaybeNullWhen(false)] out T item);

		public virtual bool TryPeek([MaybeNullWhen(false)] out T item)
		{
			item = default(T);
			return false;
		}

		public abstract ValueTask<bool> WaitToReadAsync(CancellationToken cancellationToken = default(CancellationToken));

		public virtual ValueTask<T> ReadAsync(CancellationToken cancellationToken = default(CancellationToken))
		{
			if (cancellationToken.IsCancellationRequested)
			{
				return new ValueTask<T>(Task.FromCanceled<T>(cancellationToken));
			}
			try
			{
				if (TryRead(out var item))
				{
					return new ValueTask<T>(item);
				}
			}
			catch (Exception ex) when (!(ex is ChannelClosedException) && !(ex is OperationCanceledException))
			{
				return new ValueTask<T>(Task.FromException<T>(ex));
			}
			return ReadAsyncCore(cancellationToken);
			async ValueTask<T> ReadAsyncCore(CancellationToken ct)
			{
				T item2;
				do
				{
					if (!(await WaitToReadAsync(ct).ConfigureAwait(continueOnCapturedContext: false)))
					{
						throw new ChannelClosedException();
					}
				}
				while (!TryRead(out item2));
				return item2;
			}
		}
	}
	internal static class ChannelUtilities
	{
		internal static readonly Exception s_doneWritingSentinel = new Exception("s_doneWritingSentinel");

		internal static readonly Task<bool> s_trueTask = Task.FromResult(result: true);

		internal static readonly Task<bool> s_falseTask = Task.FromResult(result: false);

		internal static readonly Task s_neverCompletingTask = new TaskCompletionSource<bool>().Task;

		internal static void Complete(TaskCompletionSource tcs, Exception error = null)
		{
			if (error is OperationCanceledException ex)
			{
				tcs.TrySetCanceled(ex.CancellationToken);
			}
			else if (error != null && error != s_doneWritingSentinel)
			{
				tcs.TrySetException(error);
			}
			else
			{
				tcs.TrySetResult();
			}
		}

		internal static ValueTask<T> GetInvalidCompletionValueTask<T>(Exception error)
		{
			Task<T> task = ((error == s_doneWritingSentinel) ? Task.FromException<T>(CreateInvalidCompletionException()) : ((error is OperationCanceledException ex) ? Task.FromCanceled<T>(ex.CancellationToken.IsCancellationRequested ? ex.CancellationToken : new CancellationToken(canceled: true)) : Task.FromException<T>(CreateInvalidCompletionException(error))));
			return new ValueTask<T>(task);
		}

		internal static void QueueWaiter(ref AsyncOperation<bool> tail, AsyncOperation<bool> waiter)
		{
			AsyncOperation<bool> asyncOperation = tail;
			if (asyncOperation == null)
			{
				waiter.Next = waiter;
			}
			else
			{
				waiter.Next = asyncOperation.Next;
				asyncOperation.Next = waiter;
			}
			tail = waiter;
		}

		internal static void WakeUpWaiters(ref AsyncOperation<bool> listTail, bool result, Exception error = null)
		{
			AsyncOperation<bool> asyncOperation = listTail;
			if (asyncOperation != null)
			{
				listTail = null;
				AsyncOperation<bool> next = asyncOperation.Next;
				AsyncOperation<bool> asyncOperation2 = next;
				do
				{
					AsyncOperation<bool> next2 = asyncOperation2.Next;
					asyncOperation2.Next = null;
					bool flag = ((error != null) ? asyncOperation2.TrySetException(error) : asyncOperation2.TrySetResult(result));
					asyncOperation2 = next2;
				}
				while (asyncOperation2 != next);
			}
		}

		internal static void FailOperations<T, TInner>(Deque<T> operations, Exception error) where T : AsyncOperation<TInner>
		{
			while (!operations.IsEmpty)
			{
				operations.DequeueHead().TrySetException(error);
			}
		}

		internal static Exception CreateInvalidCompletionException(Exception inner = null)
		{
			if (!(inner is OperationCanceledException))
			{
				if (inner == null || inner == s_doneWritingSentinel)
				{
					return new ChannelClosedException();
				}
				return new ChannelClosedException(inner);
			}
			return inner;
		}
	}
	public abstract class ChannelWriter<T>
	{
		public virtual bool TryComplete(Exception? error = null)
		{
			return false;
		}

		public abstract bool TryWrite(T item);

		public abstract ValueTask<bool> WaitToWriteAsync(CancellationToken cancellationToken = default(CancellationToken));

		public virtual ValueTask WriteAsync(T item, CancellationToken cancellationToken = default(CancellationToken))
		{
			try
			{
				return cancellationToken.IsCancellationRequested ? new ValueTask(Task.FromCanceled<T>(cancellationToken)) : (TryWrite(item) ? default(ValueTask) : WriteAsyncCore(item, cancellationToken));
			}
			catch (Exception exception)
			{
				return new ValueTask(Task.FromException(exception));
			}
		}

		private async ValueTask WriteAsyncCore(T innerItem, CancellationToken ct)
		{
			while (await WaitToWriteAsync(ct).ConfigureAwait(continueOnCapturedContext: false))
			{
				if (TryWrite(innerItem))
				{
					return;
				}
			}
			throw ChannelUtilities.CreateInvalidCompletionException();
		}

		public void Complete(Exception? error = null)
		{
			if (!TryComplete(error))
			{
				throw ChannelUtilities.CreateInvalidCompletionException();
			}
		}
	}
	public abstract class Channel<T> : Channel<T, T>
	{
	}
	public abstract class Channel<TWrite, TRead>
	{
		public ChannelReader<TRead> Reader { get; protected set; }

		public ChannelWriter<TWrite> Writer { get; protected set; }

		public static implicit operator ChannelReader<TRead>(Channel<TWrite, TRead> channel)
		{
			return channel.Reader;
		}

		public static implicit operator ChannelWriter<TWrite>(Channel<TWrite, TRead> channel)
		{
			return channel.Writer;
		}
	}
	internal interface IDebugEnumerable<T>
	{
		IEnumerator<T> GetEnumerator();
	}
	internal sealed class DebugEnumeratorDebugView<T>
	{
		[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
		public T[] Items { get; }

		public DebugEnumeratorDebugView(IDebugEnumerable<T> enumerable)
		{
			List<T> list = new List<T>();
			foreach (T item in enumerable)
			{
				list.Add(item);
			}
			Items = list.ToArray();
		}
	}
	[DebuggerDisplay("Items={ItemsCountForDebugger}, Closed={ChannelIsClosedForDebugger}")]
	[DebuggerTypeProxy(typeof(DebugEnumeratorDebugView<>))]
	internal sealed class SingleConsumerUnboundedChannel<T> : Channel<T>, IDebugEnumerable<T>
	{
		[DebuggerDisplay("Items={ItemsCountForDebugger}")]
		[DebuggerTypeProxy(typeof(DebugEnumeratorDebugView<>))]
		private sealed class UnboundedChannelReader : ChannelReader<T>, IDebugEnumerable<T>
		{
			internal readonly SingleConsumerUnboundedChannel<T> _parent;

			private readonly AsyncOperation<T> _readerSingleton;

			private readonly AsyncOperation<bool> _waiterSingleton;

			public override Task Completion => _parent._completion.Task;

			public override bool CanPeek => true;

			private int ItemsCountForDebugger => _parent._items.Count;

			internal UnboundedChannelReader(SingleConsumerUnboundedChannel<T> parent)
			{
				_parent = parent;
				_readerSingleton = new AsyncOperation<T>(parent._runContinuationsAsynchronously, default(CancellationToken), pooled: true);
				_waiterSingleton = new AsyncOperation<bool>(parent._runContinuationsAsynchronously, default(CancellationToken), pooled: true);
			}

			public override ValueTask<T> ReadAsync(CancellationToken cancellationToken)
			{
				if (cancellationToken.IsCancellationRequested)
				{
					return new ValueTask<T>(Task.FromCanceled<T>(cancellationToken));
				}
				if (TryRead(out var item))
				{
					return new ValueTask<T>(item);
				}
				SingleConsumerUnboundedChannel<T> parent = _parent;
				AsyncOperation<T> asyncOperation;
				AsyncOperation<T> asyncOperation2;
				lock (parent.SyncObj)
				{
					if (TryRead(out item))
					{
						return new ValueTask<T>(item);
					}
					if (parent._doneWriting != null)
					{
						return ChannelUtilities.GetInvalidCompletionValueTask<T>(parent._doneWriting);
					}
					asyncOperation = parent._blockedReader;
					if (!cancellationToken.CanBeCanceled && _readerSingleton.TryOwnAndReset())
					{
						asyncOperation2 = _readerSingleton;
						if (asyncOperation2 == asyncOperation)
						{
							asyncOperation = null;
						}
					}
					else
					{
						asyncOperation2 = new AsyncOperation<T>(_parent._runContinuationsAsynchronously, cancellationToken);
					}
					parent._blockedReader = asyncOperation2;
				}
				asyncOperation?.TrySetCanceled();
				return asyncOperation2.ValueTaskOfT;
			}

			public override bool TryRead([MaybeNullWhen(false)] out T item)
			{
				SingleConsumerUnboundedChannel<T> parent = _parent;
				if (parent._items.TryDequeue(out item))
				{
					if (parent._doneWriting != null && parent._items.IsEmpty)
					{
						ChannelUtilities.Complete(parent._completion, parent._doneWriting);
					}
					return true;
				}
				return false;
			}

			public override bool TryPeek([MaybeNullWhen(false)] out T item)
			{
				return _parent._items.TryPeek(out item);
			}

			public override ValueTask<bool> WaitToReadAsync(CancellationToken cancellationToken)
			{
				if (cancellationToken.IsCancellationRequested)
				{
					return new ValueTask<bool>(Task.FromCanceled<bool>(cancellationToken));
				}
				if (!_parent._items.IsEmpty)
				{
					return new ValueTask<bool>(result: true);
				}
				SingleConsumerUnboundedChannel<T> parent = _parent;
				AsyncOperation<bool> asyncOperation = null;
				AsyncOperation<bool> asyncOperation2;
				lock (parent.SyncObj)
				{
					if (!parent._items.IsEmpty)
					{
						return new ValueTask<bool>(result: true);
					}
					if (parent._doneWriting != null)
					{
						return (parent._doneWriting != ChannelUtilities.s_doneWritingSentinel) ? new ValueTask<bool>(Task.FromException<bool>(parent._doneWriting)) : default(ValueTask<bool>);
					}
					asyncOperation = parent._waitingReader;
					if (!cancellationToken.CanBeCanceled && _waiterSingleton.TryOwnAndReset())
					{
						asyncOperation2 = _waiterSingleton;
						if (asyncOperation2 == asyncOperation)
						{
							asyncOperation = null;
						}
					}
					else
					{
						asyncOperation2 = new AsyncOperation<bool>(_parent._runContinuationsAsynchronously, cancellationToken);
					}
					parent._waitingReader = asyncOperation2;
				}
				asyncOperation?.TrySetCanceled();
				return asyncOperation2.ValueTaskOfT;
			}

			IEnumerator<T> IDebugEnumerable<T>.GetEnumerator()
			{
				return _parent._items.GetEnumerator();
			}
		}

		[DebuggerDisplay("Items={ItemsCountForDebugger}")]
		[DebuggerTypeProxy(typeof(DebugEnumeratorDebugView<>))]
		private sealed class UnboundedChannelWriter : ChannelWriter<T>, IDebugEnumerable<T>
		{
			internal readonly SingleConsumerUnboundedChannel<T> _parent;

			private int ItemsCountForDebugger => _parent._items.Count;

			internal UnboundedChannelWriter(SingleConsumerUnboundedChannel<T> parent)
			{
				_parent = parent;
			}

			public override bool TryComplete(Exception error)
			{
				AsyncOperation<T> asyncOperation = null;
				AsyncOperation<bool> asyncOperation2 = null;
				bool flag = false;
				SingleConsumerUnboundedChannel<T> parent = _parent;
				lock (parent.SyncObj)
				{
					if (parent._doneWriting != null)
					{
						return false;
					}
					parent._doneWriting = error ?? ChannelUtilities.s_doneWritingSentinel;
					if (parent._items.IsEmpty)
					{
						flag = true;
						if (parent._blockedReader != null)
						{
							asyncOperation = parent._blockedReader;
							parent._blockedReader = null;
						}
						if (parent._waitingReader != null)
						{
							asyncOperation2 = parent._waitingReader;
							parent._waitingReader = null;
						}
					}
				}
				if (flag)
				{
					ChannelUtilities.Complete(parent._completion, error);
				}
				if (asyncOperation != null)
				{
					error = ChannelUtilities.CreateInvalidCompletionException(error);
					asyncOperation.TrySetException(error);
				}
				if (asyncOperation2 != null)
				{
					if (error != null)
					{
						asyncOperation2.TrySetException(error);
					}
					else
					{
						asyncOperation2.TrySetResult(item: false);
					}
				}
				return true;
			}

			public override bool TryWrite(T item)
			{
				SingleConsumerUnboundedChannel<T> parent = _parent;
				AsyncOperation<T> asyncOperation;
				do
				{
					asyncOperation = null;
					AsyncOperation<bool> asyncOperation2 = null;
					lock (parent.SyncObj)
					{
						if (parent._doneWriting != null)
						{
							return false;
						}
						asyncOperation = parent._blockedReader;
						if (asyncOperation != null)
						{
							parent._blockedReader = null;
						}
						else
						{
							parent._items.Enqueue(item);
							asyncOperation2 = parent._waitingReader;
							if (asyncOperation2 == null)
							{
								return true;
							}
							parent._waitingReader = null;
						}
					}
					if (asyncOperation2 != null)
					{
						asyncOperation2.TrySetResult(item: true);
						return true;
					}
				}
				while (!asyncOperation.TrySetResult(item));
				return true;
			}

			public override ValueTask<bool> WaitToWriteAsync(CancellationToken cancellationToken)
			{
				Exception doneWriting = _parent._doneWriting;
				if (!cancellationToken.IsCancellationRequested)
				{
					if (doneWriting != null)
					{
						if (doneWriting == ChannelUtilities.s_doneWritingSentinel)
						{
							return default(ValueTask<bool>);
						}
						return new ValueTask<bool>(Task.FromException<bool>(doneWriting));
					}
					return new ValueTask<bool>(result: true);
				}
				return new ValueTask<bool>(Task.FromCanceled<bool>(cancellationToken));
			}

			public override ValueTask WriteAsync(T item, CancellationToken cancellationToken)
			{
				if (!cancellationToken.IsCancellationRequested)
				{
					if (!TryWrite(item))
					{
						return new ValueTask(Task.FromException(ChannelUtilities.CreateInvalidCompletionException(_parent._doneWriting)));
					}
					return default(ValueTask);
				}
				return new ValueTask(Task.FromCanceled(cancellationToken));
			}

			IEnumerator<T> IDebugEnumerable<T>.GetEnumerator()
			{
				return _parent._items.GetEnumerator();
			}
		}

		private readonly TaskCompletionSource _completion;

		private readonly SingleProducerSingleConsumerQueue<T> _items = new SingleProducerSingleConsumerQueue<T>();

		private readonly bool _runContinuationsAsynchronously;

		private volatile Exception _doneWriting;

		private AsyncOperation<T> _blockedReader;

		private AsyncOperation<bool> _waitingReader;

		private object SyncObj => _items;

		private int ItemsCountForDebugger => _items.Count;

		private bool ChannelIsClosedForDebugger => _doneWriting != null;

		internal SingleConsumerUnboundedChannel(bool runContinuationsAsynchronously)
		{
			_runContinuationsAsynchronously = runContinuationsAsynchronously;
			_completion = new TaskCompletionSource(runContinuationsAsynchronously ? TaskCreationOptions.RunContinuationsAsynchronously : TaskCreationOptions.None);
			base.Reader = new UnboundedChannelReader(this);
			base.Writer = new UnboundedChannelWriter(this);
		}

		IEnumerator<T> IDebugEnumerable<T>.GetEnumerator()
		{
			return _items.GetEnumerator();
		}
	}
	internal sealed class TaskCompletionSource : TaskCompletionSource<VoidResult>
	{
		public TaskCompletionSource(TaskCreationOptions creationOptions)
			: base(creationOptions)
		{
		}

		public bool TrySetResult()
		{
			return TrySetResult(default(VoidResult));
		}
	}
	[DebuggerDisplay("Items={ItemsCountForDebugger}, Closed={ChannelIsClosedForDebugger}")]
	[DebuggerTypeProxy(typeof(DebugEnumeratorDebugView<>))]
	internal sealed class UnboundedChannel<T> : Channel<T>, IDebugEnumerable<T>
	{
		[DebuggerDisplay("Items={Count}")]
		[DebuggerTypeProxy(typeof(DebugEnumeratorDebugView<>))]
		private sealed class UnboundedChannelReader : ChannelReader<T>, IDebugEnumerable<T>
		{
			internal readonly UnboundedChannel<T> _parent;

			private readonly AsyncOperation<T> _readerSingleton;

			private readonly AsyncOperation<bool> _waiterSingleton;

			public override Task Completion => _parent._completion.Task;

			public override bool CanCount => true;

			public override bool CanPeek => true;

			public override int Count => _parent._items.Count;

			internal UnboundedChannelReader(UnboundedChannel<T> parent)
			{
				_parent = parent;
				_readerSingleton = new AsyncOperation<T>(parent._runContinuationsAsynchronously, default(CancellationToken), pooled: true);
				_waiterSingleton = new AsyncOperation<bool>(parent._runContinuationsAsynchronously, default(CancellationToken), pooled: true);
			}

			public override ValueTask<T> ReadAsync(CancellationToken cancellationToken)
			{
				if (cancellationToken.IsCancellationRequested)
				{
					return new ValueTask<T>(Task.FromCanceled<T>(cancellationToken));
				}
				UnboundedChannel<T> parent = _parent;
				if (parent._items.TryDequeue(out var result))
				{
					CompleteIfDone(parent);
					return new ValueTask<T>(result);
				}
				lock (parent.SyncObj)
				{
					if (parent._items.TryDequeue(out result))
					{
						CompleteIfDone(parent);
						return new ValueTask<T>(result);
					}
					if (parent._doneWriting != null)
					{
						return ChannelUtilities.GetInvalidCompletionValueTask<T>(parent._doneWriting);
					}
					if (!cancellationToken.CanBeCanceled)
					{
						AsyncOperation<T> readerSingleton = _readerSingleton;
						if (readerSingleton.TryOwnAndReset())
						{
							parent._blockedReaders.EnqueueTail(readerSingleton);
							return readerSingleton.ValueTaskOfT;
						}
					}
					AsyncOperation<T> asyncOperation = new AsyncOperation<T>(parent._runContinuationsAsynchronously, cancellationToken);
					parent._blockedReaders.EnqueueTail(asyncOperation);
					return asyncOperation.ValueTaskOfT;
				}
			}

			public override bool TryRead([MaybeNullWhen(false)] out T item)
			{
				UnboundedChannel<T> parent = _parent;
				if (parent._items.TryDequeue(out item))
				{
					CompleteIfDone(parent);
					return true;
				}
				item = default(T);
				return false;
			}

			public override bool TryPeek([MaybeNullWhen(false)] out T item)
			{
				return _parent._items.TryPeek(out item);
			}

			private static void CompleteIfDone(UnboundedChannel<T> parent)
			{
				if (parent._doneWriting != null && parent._items.IsEmpty)
				{
					ChannelUtilities.Complete(parent._completion, parent._doneWriting);
				}
			}

			public override ValueTask<bool> WaitToReadAsync(CancellationToken cancellationToken)
			{
				if (cancellationToken.IsCancellationRequested)
				{
					return new ValueTask<bool>(Task.FromCanceled<bool>(cancellationToken));
				}
				if (!_parent._items.IsEmpty)
				{
					return new ValueTask<bool>(result: true);
				}
				UnboundedChannel<T> parent = _parent;
				lock (parent.SyncObj)
				{
					if (!parent._items.IsEmpty)
					{
						return new ValueTask<bool>(result: true);
					}
					if (parent._doneWriting != null)
					{
						return (parent._doneWriting != ChannelUtilities.s_doneWritingSentinel) ? new ValueTask<bool>(Task.FromException<bool>(parent._doneWriting)) : default(ValueTask<bool>);
					}
					if (!cancellationToken.CanBeCanceled)
					{
						AsyncOperation<bool> waiterSingleton = _waiterSingleton;
						if (waiterSingleton.TryOwnAndReset())
						{
							ChannelUtilities.QueueWaiter(ref parent._waitingReadersTail, waiterSingleton);
							return waiterSingleton.ValueTaskOfT;
						}
					}
					AsyncOperation<bool> asyncOperation = new AsyncOperation<bool>(parent._runContinuationsAsynchronously, cancellationToken);
					ChannelUtilities.QueueWaiter(ref parent._waitingReadersTail, asyncOperation);
					return asyncOperation.ValueTaskOfT;
				}
			}

			IEnumerator<T> IDebugEnumerable<T>.GetEnumerator()
			{
				return _parent._items.GetEnumerator();
			}
		}

		[DebuggerDisplay("Items={ItemsCountForDebugger}")]
		[DebuggerTypeProxy(typeof(DebugEnumeratorDebugView<>))]
		private sealed class UnboundedChannelWriter : ChannelWriter<T>, IDebugEnumerable<T>
		{
			internal readonly UnboundedChannel<T> _parent;

			private int ItemsCountForDebugger => _parent._items.Count;

			internal UnboundedChannelWriter(UnboundedChannel<T> parent)
			{
				_parent = parent;
			}

			public override bool TryComplete(Exception error)
			{
				UnboundedChannel<T> parent = _parent;
				bool isEmpty;
				lock (parent.SyncObj)
				{
					if (parent._doneWriting != null)
					{
						return false;
					}
					parent._doneWriting = error ?? ChannelUtilities.s_doneWritingSentinel;
					isEmpty = parent._items.IsEmpty;
				}
				if (isEmpty)
				{
					ChannelUtilities.Complete(parent._completion, error);
				}
				ChannelUtilities.FailOperations<AsyncOperation<T>, T>(parent._blockedReaders, ChannelUtilities.CreateInvalidCompletionException(error));
				ChannelUtilities.WakeUpWaiters(ref parent._waitingReadersTail, result: false, error);
				return true;
			}

			public override bool TryWrite(T item)
			{
				UnboundedChannel<T> parent = _parent;
				AsyncOperation<bool> listTail;
				while (true)
				{
					AsyncOperation<T> asyncOperation = null;
					listTail = null;
					lock (parent.SyncObj)
					{
						if (parent._doneWriting != null)
						{
							return false;
						}
						if (parent._blockedReaders.IsEmpty)
						{
							parent._items.Enqueue(item);
							listTail = parent._waitingReadersTail;
							if (listTail == null)
							{
								return true;
							}
							parent._waitingReadersTail = null;
						}
						else
						{
							asyncOperation = parent._blockedReaders.DequeueHead();
						}
					}
					if (asyncOperation == null)
					{
						break;
					}
					if (asyncOperation.TrySetResult(item))
					{
						return true;
					}
				}
				ChannelUtilities.WakeUpWaiters(ref listTail, result: true);
				return true;
			}

			public override ValueTask<bool> WaitToWriteAsync(CancellationToken cancellationToken)
			{
				Exception doneWriting = _parent._doneWriting;
				if (!cancellationToken.IsCancellationRequested)
				{
					if (doneWriting != null)
					{
						if (doneWriting == ChannelUtilities.s_doneWritingSentinel)
						{
							return default(ValueTask<bool>);
						}
						return new ValueTask<bool>(Task.FromException<bool>(doneWriting));
					}
					return new ValueTask<bool>(result: true);
				}
				return new ValueTask<bool>(Task.FromCanceled<bool>(cancellationToken));
			}

			public override ValueTask WriteAsync(T item, CancellationToken cancellationToken)
			{
				if (!cancellationToken.IsCancellationRequested)
				{
					if (!TryWrite(item))
					{
						return new ValueTask(Task.FromException(ChannelUtilities.CreateInvalidCompletionException(_parent._doneWriting)));
					}
					return default(ValueTask);
				}
				return new ValueTask(Task.FromCanceled(cancellationToken));
			}

			IEnumerator<T> IDebugEnumerable<T>.GetEnumerator()
			{
				return _parent._items.GetEnumerator();
			}
		}

		private readonly TaskCompletionSource _completion;

		private readonly ConcurrentQueue<T> _items = new ConcurrentQueue<T>();

		private readonly Deque<AsyncOperation<T>> _blockedReaders = new Deque<AsyncOperation<T>>();

		private readonly bool _runContinuationsAsynchronously;

		private AsyncOperation<bool> _waitingReadersTail;

		private Exception _doneWriting;

		private object SyncObj => _items;

		private int ItemsCountForDebugger => _items.Count;

		private bool ChannelIsClosedForDebugger => _doneWriting != null;

		internal UnboundedChannel(bool runContinuationsAsynchronously)
		{
			_runContinuationsAsynchronously = runContinuationsAsynchronously;
			_completion = new TaskCompletionSource(runContinuationsAsynchronously ? TaskCreationOptions.RunContinuationsAsynchronously : TaskCreationOptions.None);
			base.Reader = new UnboundedChannelReader(this);
			base.Writer = new UnboundedChannelWriter(this);
		}

		[Conditional("DEBUG")]
		private void AssertInvariants()
		{
			if (!_items.IsEmpty)
			{
				_ = _runContinuationsAsynchronously;
			}
			if (!_blockedReaders.IsEmpty || _waitingReadersTail != null)
			{
				_ = _runContinuationsAsynchronously;
			}
			_ = _completion.Task.IsCompleted;
		}

		IEnumerator<T> IDebugEnumerable<T>.GetEnumerator()
		{
			return _items.GetEnumerator();
		}
	}
}

plugins/System.Threading.Tasks.Extensions.dll

Decompiled a year ago
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security;
using System.Threading.Tasks;
using System.Threading.Tasks.Sources;
using Microsoft.CodeAnalysis;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: AssemblyTitle("System.Threading.Tasks.Extensions")]
[assembly: AssemblyDescription("System.Threading.Tasks.Extensions")]
[assembly: AssemblyDefaultAlias("System.Threading.Tasks.Extensions")]
[assembly: AssemblyCompany("Microsoft Corporation")]
[assembly: AssemblyProduct("Microsoft® .NET Framework")]
[assembly: AssemblyCopyright("© Microsoft Corporation. All rights reserved.")]
[assembly: AssemblyFileVersion("4.6.28619.01")]
[assembly: AssemblyInformationalVersion("4.6.28619.01 @BuiltBy: dlab14-DDVSOWINAGE069 @Branch: release/2.1 @SrcCode: https://github.com/dotnet/corefx/tree/7601f4f6225089ffb291dc7d58293c7bbf5c5d4f")]
[assembly: CLSCompliant(true)]
[assembly: AssemblyMetadata(".NETFrameworkAssembly", "")]
[assembly: AssemblyMetadata("Serviceable", "True")]
[assembly: AssemblyMetadata("PreferInbox", "True")]
[assembly: AssemblyVersion("4.2.0.1")]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsReadOnlyAttribute : Attribute
	{
	}
}
namespace System
{
	internal static class ThrowHelper
	{
		internal static void ThrowArgumentNullException(System.ExceptionArgument argument)
		{
			throw GetArgumentNullException(argument);
		}

		internal static void ThrowArgumentOutOfRangeException(System.ExceptionArgument argument)
		{
			throw GetArgumentOutOfRangeException(argument);
		}

		private static ArgumentNullException GetArgumentNullException(System.ExceptionArgument argument)
		{
			return new ArgumentNullException(GetArgumentName(argument));
		}

		private static ArgumentOutOfRangeException GetArgumentOutOfRangeException(System.ExceptionArgument argument)
		{
			return new ArgumentOutOfRangeException(GetArgumentName(argument));
		}

		[MethodImpl(MethodImplOptions.NoInlining)]
		private static string GetArgumentName(System.ExceptionArgument argument)
		{
			return argument.ToString();
		}
	}
	internal enum ExceptionArgument
	{
		task,
		source,
		state
	}
}
namespace System.Threading.Tasks
{
	[StructLayout(LayoutKind.Auto)]
	[AsyncMethodBuilder(typeof(AsyncValueTaskMethodBuilder))]
	public readonly struct ValueTask : IEquatable<ValueTask>
	{
		private sealed class ValueTaskSourceAsTask : TaskCompletionSource<bool>
		{
			private static readonly Action<object> s_completionAction = delegate(object state)
			{
				IValueTaskSource source;
				if (!(state is ValueTaskSourceAsTask valueTaskSourceAsTask) || (source = valueTaskSourceAsTask._source) == null)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.state);
					return;
				}
				valueTaskSourceAsTask._source = null;
				ValueTaskSourceStatus status = source.GetStatus(valueTaskSourceAsTask._token);
				try
				{
					source.GetResult(valueTaskSourceAsTask._token);
					valueTaskSourceAsTask.TrySetResult(result: false);
				}
				catch (Exception exception)
				{
					if (status == ValueTaskSourceStatus.Canceled)
					{
						valueTaskSourceAsTask.TrySetCanceled();
					}
					else
					{
						valueTaskSourceAsTask.TrySetException(exception);
					}
				}
			};

			private IValueTaskSource _source;

			private readonly short _token;

			public ValueTaskSourceAsTask(IValueTaskSource source, short token)
			{
				_token = token;
				_source = source;
				source.OnCompleted(s_completionAction, this, token, ValueTaskSourceOnCompletedFlags.None);
			}
		}

		private static readonly Task s_canceledTask = Task.Delay(-1, new CancellationToken(canceled: true));

		internal readonly object _obj;

		internal readonly short _token;

		internal readonly bool _continueOnCapturedContext;

		internal static Task CompletedTask { get; } = Task.Delay(0);


		public bool IsCompleted
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				object obj = _obj;
				if (obj == null)
				{
					return true;
				}
				if (obj is Task task)
				{
					return task.IsCompleted;
				}
				return Unsafe.As<IValueTaskSource>(obj).GetStatus(_token) != ValueTaskSourceStatus.Pending;
			}
		}

		public bool IsCompletedSuccessfully
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				object obj = _obj;
				if (obj == null)
				{
					return true;
				}
				if (obj is Task task)
				{
					return task.Status == TaskStatus.RanToCompletion;
				}
				return Unsafe.As<IValueTaskSource>(obj).GetStatus(_token) == ValueTaskSourceStatus.Succeeded;
			}
		}

		public bool IsFaulted
		{
			get
			{
				object obj = _obj;
				if (obj == null)
				{
					return false;
				}
				if (obj is Task task)
				{
					return task.IsFaulted;
				}
				return Unsafe.As<IValueTaskSource>(obj).GetStatus(_token) == ValueTaskSourceStatus.Faulted;
			}
		}

		public bool IsCanceled
		{
			get
			{
				object obj = _obj;
				if (obj == null)
				{
					return false;
				}
				if (obj is Task task)
				{
					return task.IsCanceled;
				}
				return Unsafe.As<IValueTaskSource>(obj).GetStatus(_token) == ValueTaskSourceStatus.Canceled;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ValueTask(Task task)
		{
			if (task == null)
			{
				System.ThrowHelper.ThrowArgumentNullException(System.ExceptionArgument.task);
			}
			_obj = task;
			_continueOnCapturedContext = true;
			_token = 0;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ValueTask(IValueTaskSource source, short token)
		{
			if (source == null)
			{
				System.ThrowHelper.ThrowArgumentNullException(System.ExceptionArgument.source);
			}
			_obj = source;
			_token = token;
			_continueOnCapturedContext = true;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		private ValueTask(object obj, short token, bool continueOnCapturedContext)
		{
			_obj = obj;
			_token = token;
			_continueOnCapturedContext = continueOnCapturedContext;
		}

		public override int GetHashCode()
		{
			return _obj?.GetHashCode() ?? 0;
		}

		public override bool Equals(object obj)
		{
			if (obj is ValueTask)
			{
				return Equals((ValueTask)obj);
			}
			return false;
		}

		public bool Equals(ValueTask other)
		{
			if (_obj == other._obj)
			{
				return _token == other._token;
			}
			return false;
		}

		public static bool operator ==(ValueTask left, ValueTask right)
		{
			return left.Equals(right);
		}

		public static bool operator !=(ValueTask left, ValueTask right)
		{
			return !left.Equals(right);
		}

		public Task AsTask()
		{
			object obj = _obj;
			object obj2;
			if (obj != null)
			{
				obj2 = obj as Task;
				if (obj2 == null)
				{
					return GetTaskForValueTaskSource(Unsafe.As<IValueTaskSource>(obj));
				}
			}
			else
			{
				obj2 = CompletedTask;
			}
			return (Task)obj2;
		}

		public ValueTask Preserve()
		{
			if (_obj != null)
			{
				return new ValueTask(AsTask());
			}
			return this;
		}

		private Task GetTaskForValueTaskSource(IValueTaskSource t)
		{
			ValueTaskSourceStatus status = t.GetStatus(_token);
			if (status != 0)
			{
				try
				{
					t.GetResult(_token);
					return CompletedTask;
				}
				catch (Exception exception)
				{
					if (status == ValueTaskSourceStatus.Canceled)
					{
						return s_canceledTask;
					}
					TaskCompletionSource<bool> taskCompletionSource = new TaskCompletionSource<bool>();
					taskCompletionSource.TrySetException(exception);
					return taskCompletionSource.Task;
				}
			}
			ValueTaskSourceAsTask valueTaskSourceAsTask = new ValueTaskSourceAsTask(t, _token);
			return valueTaskSourceAsTask.Task;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[StackTraceHidden]
		internal void ThrowIfCompletedUnsuccessfully()
		{
			object obj = _obj;
			if (obj != null)
			{
				if (obj is Task task)
				{
					task.GetAwaiter().GetResult();
				}
				else
				{
					Unsafe.As<IValueTaskSource>(obj).GetResult(_token);
				}
			}
		}

		public ValueTaskAwaiter GetAwaiter()
		{
			return new ValueTaskAwaiter(this);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ConfiguredValueTaskAwaitable ConfigureAwait(bool continueOnCapturedContext)
		{
			return new ConfiguredValueTaskAwaitable(new ValueTask(_obj, _token, continueOnCapturedContext));
		}
	}
	[StructLayout(LayoutKind.Auto)]
	[AsyncMethodBuilder(typeof(AsyncValueTaskMethodBuilder<>))]
	public readonly struct ValueTask<TResult> : IEquatable<ValueTask<TResult>>
	{
		private sealed class ValueTaskSourceAsTask : TaskCompletionSource<TResult>
		{
			private static readonly Action<object> s_completionAction = delegate(object state)
			{
				IValueTaskSource<TResult> source;
				if (!(state is ValueTaskSourceAsTask valueTaskSourceAsTask) || (source = valueTaskSourceAsTask._source) == null)
				{
					System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.state);
					return;
				}
				valueTaskSourceAsTask._source = null;
				ValueTaskSourceStatus status = source.GetStatus(valueTaskSourceAsTask._token);
				try
				{
					valueTaskSourceAsTask.TrySetResult(source.GetResult(valueTaskSourceAsTask._token));
				}
				catch (Exception exception)
				{
					if (status == ValueTaskSourceStatus.Canceled)
					{
						valueTaskSourceAsTask.TrySetCanceled();
					}
					else
					{
						valueTaskSourceAsTask.TrySetException(exception);
					}
				}
			};

			private IValueTaskSource<TResult> _source;

			private readonly short _token;

			public ValueTaskSourceAsTask(IValueTaskSource<TResult> source, short token)
			{
				_source = source;
				_token = token;
				source.OnCompleted(s_completionAction, this, token, ValueTaskSourceOnCompletedFlags.None);
			}
		}

		private static Task<TResult> s_canceledTask;

		internal readonly object _obj;

		internal readonly TResult _result;

		internal readonly short _token;

		internal readonly bool _continueOnCapturedContext;

		public bool IsCompleted
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				object obj = _obj;
				if (obj == null)
				{
					return true;
				}
				if (obj is Task<TResult> task)
				{
					return task.IsCompleted;
				}
				return Unsafe.As<IValueTaskSource<TResult>>(obj).GetStatus(_token) != ValueTaskSourceStatus.Pending;
			}
		}

		public bool IsCompletedSuccessfully
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				object obj = _obj;
				if (obj == null)
				{
					return true;
				}
				if (obj is Task<TResult> task)
				{
					return task.Status == TaskStatus.RanToCompletion;
				}
				return Unsafe.As<IValueTaskSource<TResult>>(obj).GetStatus(_token) == ValueTaskSourceStatus.Succeeded;
			}
		}

		public bool IsFaulted
		{
			get
			{
				object obj = _obj;
				if (obj == null)
				{
					return false;
				}
				if (obj is Task<TResult> task)
				{
					return task.IsFaulted;
				}
				return Unsafe.As<IValueTaskSource<TResult>>(obj).GetStatus(_token) == ValueTaskSourceStatus.Faulted;
			}
		}

		public bool IsCanceled
		{
			get
			{
				object obj = _obj;
				if (obj == null)
				{
					return false;
				}
				if (obj is Task<TResult> task)
				{
					return task.IsCanceled;
				}
				return Unsafe.As<IValueTaskSource<TResult>>(obj).GetStatus(_token) == ValueTaskSourceStatus.Canceled;
			}
		}

		public TResult Result
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				object obj = _obj;
				if (obj == null)
				{
					return _result;
				}
				if (obj is Task<TResult> task)
				{
					return task.GetAwaiter().GetResult();
				}
				return Unsafe.As<IValueTaskSource<TResult>>(obj).GetResult(_token);
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ValueTask(TResult result)
		{
			_result = result;
			_obj = null;
			_continueOnCapturedContext = true;
			_token = 0;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ValueTask(Task<TResult> task)
		{
			if (task == null)
			{
				System.ThrowHelper.ThrowArgumentNullException(System.ExceptionArgument.task);
			}
			_obj = task;
			_result = default(TResult);
			_continueOnCapturedContext = true;
			_token = 0;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ValueTask(IValueTaskSource<TResult> source, short token)
		{
			if (source == null)
			{
				System.ThrowHelper.ThrowArgumentNullException(System.ExceptionArgument.source);
			}
			_obj = source;
			_token = token;
			_result = default(TResult);
			_continueOnCapturedContext = true;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		private ValueTask(object obj, TResult result, short token, bool continueOnCapturedContext)
		{
			_obj = obj;
			_result = result;
			_token = token;
			_continueOnCapturedContext = continueOnCapturedContext;
		}

		public override int GetHashCode()
		{
			if (_obj == null)
			{
				if (_result == null)
				{
					return 0;
				}
				return _result.GetHashCode();
			}
			return _obj.GetHashCode();
		}

		public override bool Equals(object obj)
		{
			if (obj is ValueTask<TResult>)
			{
				return Equals((ValueTask<TResult>)obj);
			}
			return false;
		}

		public bool Equals(ValueTask<TResult> other)
		{
			if (_obj == null && other._obj == null)
			{
				return EqualityComparer<TResult>.Default.Equals(_result, other._result);
			}
			if (_obj == other._obj)
			{
				return _token == other._token;
			}
			return false;
		}

		public static bool operator ==(ValueTask<TResult> left, ValueTask<TResult> right)
		{
			return left.Equals(right);
		}

		public static bool operator !=(ValueTask<TResult> left, ValueTask<TResult> right)
		{
			return !left.Equals(right);
		}

		public Task<TResult> AsTask()
		{
			object obj = _obj;
			if (obj == null)
			{
				return Task.FromResult(_result);
			}
			if (obj is Task<TResult> result)
			{
				return result;
			}
			return GetTaskForValueTaskSource(Unsafe.As<IValueTaskSource<TResult>>(obj));
		}

		public ValueTask<TResult> Preserve()
		{
			if (_obj != null)
			{
				return new ValueTask<TResult>(AsTask());
			}
			return this;
		}

		private Task<TResult> GetTaskForValueTaskSource(IValueTaskSource<TResult> t)
		{
			ValueTaskSourceStatus status = t.GetStatus(_token);
			if (status != 0)
			{
				try
				{
					return Task.FromResult(t.GetResult(_token));
				}
				catch (Exception exception)
				{
					if (status == ValueTaskSourceStatus.Canceled)
					{
						Task<TResult> task = s_canceledTask;
						if (task == null)
						{
							TaskCompletionSource<TResult> taskCompletionSource = new TaskCompletionSource<TResult>();
							taskCompletionSource.TrySetCanceled();
							task = (s_canceledTask = taskCompletionSource.Task);
						}
						return task;
					}
					TaskCompletionSource<TResult> taskCompletionSource2 = new TaskCompletionSource<TResult>();
					taskCompletionSource2.TrySetException(exception);
					return taskCompletionSource2.Task;
				}
			}
			ValueTaskSourceAsTask valueTaskSourceAsTask = new ValueTaskSourceAsTask(t, _token);
			return valueTaskSourceAsTask.Task;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ValueTaskAwaiter<TResult> GetAwaiter()
		{
			return new ValueTaskAwaiter<TResult>(this);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ConfiguredValueTaskAwaitable<TResult> ConfigureAwait(bool continueOnCapturedContext)
		{
			return new ConfiguredValueTaskAwaitable<TResult>(new ValueTask<TResult>(_obj, _result, _token, continueOnCapturedContext));
		}

		public override string ToString()
		{
			if (IsCompletedSuccessfully)
			{
				TResult result = Result;
				if (result != null)
				{
					return result.ToString();
				}
			}
			return string.Empty;
		}
	}
}
namespace System.Threading.Tasks.Sources
{
	[Flags]
	public enum ValueTaskSourceOnCompletedFlags
	{
		None = 0,
		UseSchedulingContext = 1,
		FlowExecutionContext = 2
	}
	public enum ValueTaskSourceStatus
	{
		Pending,
		Succeeded,
		Faulted,
		Canceled
	}
	public interface IValueTaskSource
	{
		ValueTaskSourceStatus GetStatus(short token);

		void OnCompleted(Action<object> continuation, object state, short token, ValueTaskSourceOnCompletedFlags flags);

		void GetResult(short token);
	}
	public interface IValueTaskSource<out TResult>
	{
		ValueTaskSourceStatus GetStatus(short token);

		void OnCompleted(Action<object> continuation, object state, short token, ValueTaskSourceOnCompletedFlags flags);

		TResult GetResult(short token);
	}
}
namespace System.Runtime.CompilerServices
{
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum | AttributeTargets.Interface | AttributeTargets.Delegate, Inherited = false, AllowMultiple = false)]
	public sealed class AsyncMethodBuilderAttribute : Attribute
	{
		public Type BuilderType { get; }

		public AsyncMethodBuilderAttribute(Type builderType)
		{
			BuilderType = builderType;
		}
	}
	[StructLayout(LayoutKind.Auto)]
	public struct AsyncValueTaskMethodBuilder
	{
		private AsyncTaskMethodBuilder _methodBuilder;

		private bool _haveResult;

		private bool _useBuilder;

		public ValueTask Task
		{
			get
			{
				if (_haveResult)
				{
					return default(ValueTask);
				}
				_useBuilder = true;
				return new ValueTask(_methodBuilder.Task);
			}
		}

		public static AsyncValueTaskMethodBuilder Create()
		{
			return default(AsyncValueTaskMethodBuilder);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public void Start<TStateMachine>(ref TStateMachine stateMachine) where TStateMachine : IAsyncStateMachine
		{
			_methodBuilder.Start(ref stateMachine);
		}

		public void SetStateMachine(IAsyncStateMachine stateMachine)
		{
			_methodBuilder.SetStateMachine(stateMachine);
		}

		public void SetResult()
		{
			if (_useBuilder)
			{
				_methodBuilder.SetResult();
			}
			else
			{
				_haveResult = true;
			}
		}

		public void SetException(Exception exception)
		{
			_methodBuilder.SetException(exception);
		}

		public void AwaitOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : INotifyCompletion where TStateMachine : IAsyncStateMachine
		{
			_useBuilder = true;
			_methodBuilder.AwaitOnCompleted(ref awaiter, ref stateMachine);
		}

		[SecuritySafeCritical]
		public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : ICriticalNotifyCompletion where TStateMachine : IAsyncStateMachine
		{
			_useBuilder = true;
			_methodBuilder.AwaitUnsafeOnCompleted(ref awaiter, ref stateMachine);
		}
	}
	[StructLayout(LayoutKind.Auto)]
	public struct AsyncValueTaskMethodBuilder<TResult>
	{
		private AsyncTaskMethodBuilder<TResult> _methodBuilder;

		private TResult _result;

		private bool _haveResult;

		private bool _useBuilder;

		public ValueTask<TResult> Task
		{
			get
			{
				if (_haveResult)
				{
					return new ValueTask<TResult>(_result);
				}
				_useBuilder = true;
				return new ValueTask<TResult>(_methodBuilder.Task);
			}
		}

		public static AsyncValueTaskMethodBuilder<TResult> Create()
		{
			return default(AsyncValueTaskMethodBuilder<TResult>);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public void Start<TStateMachine>(ref TStateMachine stateMachine) where TStateMachine : IAsyncStateMachine
		{
			_methodBuilder.Start(ref stateMachine);
		}

		public void SetStateMachine(IAsyncStateMachine stateMachine)
		{
			_methodBuilder.SetStateMachine(stateMachine);
		}

		public void SetResult(TResult result)
		{
			if (_useBuilder)
			{
				_methodBuilder.SetResult(result);
				return;
			}
			_result = result;
			_haveResult = true;
		}

		public void SetException(Exception exception)
		{
			_methodBuilder.SetException(exception);
		}

		public void AwaitOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : INotifyCompletion where TStateMachine : IAsyncStateMachine
		{
			_useBuilder = true;
			_methodBuilder.AwaitOnCompleted(ref awaiter, ref stateMachine);
		}

		[SecuritySafeCritical]
		public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine>(ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : ICriticalNotifyCompletion where TStateMachine : IAsyncStateMachine
		{
			_useBuilder = true;
			_methodBuilder.AwaitUnsafeOnCompleted(ref awaiter, ref stateMachine);
		}
	}
	[StructLayout(LayoutKind.Auto)]
	public readonly struct ConfiguredValueTaskAwaitable
	{
		[StructLayout(LayoutKind.Auto)]
		public readonly struct ConfiguredValueTaskAwaiter : ICriticalNotifyCompletion, INotifyCompletion
		{
			private readonly ValueTask _value;

			public bool IsCompleted
			{
				[MethodImpl(MethodImplOptions.AggressiveInlining)]
				get
				{
					return _value.IsCompleted;
				}
			}

			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			internal ConfiguredValueTaskAwaiter(ValueTask value)
			{
				_value = value;
			}

			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			[StackTraceHidden]
			public void GetResult()
			{
				_value.ThrowIfCompletedUnsuccessfully();
			}

			public void OnCompleted(Action continuation)
			{
				object obj = _value._obj;
				if (obj is Task task)
				{
					task.ConfigureAwait(_value._continueOnCapturedContext).GetAwaiter().OnCompleted(continuation);
				}
				else if (obj != null)
				{
					Unsafe.As<IValueTaskSource>(obj).OnCompleted(ValueTaskAwaiter.s_invokeActionDelegate, continuation, _value._token, ValueTaskSourceOnCompletedFlags.FlowExecutionContext | (_value._continueOnCapturedContext ? ValueTaskSourceOnCompletedFlags.UseSchedulingContext : ValueTaskSourceOnCompletedFlags.None));
				}
				else
				{
					ValueTask.CompletedTask.ConfigureAwait(_value._continueOnCapturedContext).GetAwaiter().OnCompleted(continuation);
				}
			}

			public void UnsafeOnCompleted(Action continuation)
			{
				object obj = _value._obj;
				if (obj is Task task)
				{
					task.ConfigureAwait(_value._continueOnCapturedContext).GetAwaiter().UnsafeOnCompleted(continuation);
				}
				else if (obj != null)
				{
					Unsafe.As<IValueTaskSource>(obj).OnCompleted(ValueTaskAwaiter.s_invokeActionDelegate, continuation, _value._token, _value._continueOnCapturedContext ? ValueTaskSourceOnCompletedFlags.UseSchedulingContext : ValueTaskSourceOnCompletedFlags.None);
				}
				else
				{
					ValueTask.CompletedTask.ConfigureAwait(_value._continueOnCapturedContext).GetAwaiter().UnsafeOnCompleted(continuation);
				}
			}
		}

		private readonly ValueTask _value;

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal ConfiguredValueTaskAwaitable(ValueTask value)
		{
			_value = value;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ConfiguredValueTaskAwaiter GetAwaiter()
		{
			return new ConfiguredValueTaskAwaiter(_value);
		}
	}
	[StructLayout(LayoutKind.Auto)]
	public readonly struct ConfiguredValueTaskAwaitable<TResult>
	{
		[StructLayout(LayoutKind.Auto)]
		public readonly struct ConfiguredValueTaskAwaiter : ICriticalNotifyCompletion, INotifyCompletion
		{
			private readonly ValueTask<TResult> _value;

			public bool IsCompleted
			{
				[MethodImpl(MethodImplOptions.AggressiveInlining)]
				get
				{
					return _value.IsCompleted;
				}
			}

			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			internal ConfiguredValueTaskAwaiter(ValueTask<TResult> value)
			{
				_value = value;
			}

			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			[StackTraceHidden]
			public TResult GetResult()
			{
				return _value.Result;
			}

			public void OnCompleted(Action continuation)
			{
				object obj = _value._obj;
				if (obj is Task<TResult> task)
				{
					task.ConfigureAwait(_value._continueOnCapturedContext).GetAwaiter().OnCompleted(continuation);
				}
				else if (obj != null)
				{
					Unsafe.As<IValueTaskSource<TResult>>(obj).OnCompleted(ValueTaskAwaiter.s_invokeActionDelegate, continuation, _value._token, ValueTaskSourceOnCompletedFlags.FlowExecutionContext | (_value._continueOnCapturedContext ? ValueTaskSourceOnCompletedFlags.UseSchedulingContext : ValueTaskSourceOnCompletedFlags.None));
				}
				else
				{
					ValueTask.CompletedTask.ConfigureAwait(_value._continueOnCapturedContext).GetAwaiter().OnCompleted(continuation);
				}
			}

			public void UnsafeOnCompleted(Action continuation)
			{
				object obj = _value._obj;
				if (obj is Task<TResult> task)
				{
					task.ConfigureAwait(_value._continueOnCapturedContext).GetAwaiter().UnsafeOnCompleted(continuation);
				}
				else if (obj != null)
				{
					Unsafe.As<IValueTaskSource<TResult>>(obj).OnCompleted(ValueTaskAwaiter.s_invokeActionDelegate, continuation, _value._token, _value._continueOnCapturedContext ? ValueTaskSourceOnCompletedFlags.UseSchedulingContext : ValueTaskSourceOnCompletedFlags.None);
				}
				else
				{
					ValueTask.CompletedTask.ConfigureAwait(_value._continueOnCapturedContext).GetAwaiter().UnsafeOnCompleted(continuation);
				}
			}
		}

		private readonly ValueTask<TResult> _value;

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal ConfiguredValueTaskAwaitable(ValueTask<TResult> value)
		{
			_value = value;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public ConfiguredValueTaskAwaiter GetAwaiter()
		{
			return new ConfiguredValueTaskAwaiter(_value);
		}
	}
	public readonly struct ValueTaskAwaiter : ICriticalNotifyCompletion, INotifyCompletion
	{
		internal static readonly Action<object> s_invokeActionDelegate = delegate(object state)
		{
			if (!(state is Action action))
			{
				System.ThrowHelper.ThrowArgumentOutOfRangeException(System.ExceptionArgument.state);
			}
			else
			{
				action();
			}
		};

		private readonly ValueTask _value;

		public bool IsCompleted
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				return _value.IsCompleted;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal ValueTaskAwaiter(ValueTask value)
		{
			_value = value;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[StackTraceHidden]
		public void GetResult()
		{
			_value.ThrowIfCompletedUnsuccessfully();
		}

		public void OnCompleted(Action continuation)
		{
			object obj = _value._obj;
			if (obj is Task task)
			{
				task.GetAwaiter().OnCompleted(continuation);
			}
			else if (obj != null)
			{
				Unsafe.As<IValueTaskSource>(obj).OnCompleted(s_invokeActionDelegate, continuation, _value._token, ValueTaskSourceOnCompletedFlags.UseSchedulingContext | ValueTaskSourceOnCompletedFlags.FlowExecutionContext);
			}
			else
			{
				ValueTask.CompletedTask.GetAwaiter().OnCompleted(continuation);
			}
		}

		public void UnsafeOnCompleted(Action continuation)
		{
			object obj = _value._obj;
			if (obj is Task task)
			{
				task.GetAwaiter().UnsafeOnCompleted(continuation);
			}
			else if (obj != null)
			{
				Unsafe.As<IValueTaskSource>(obj).OnCompleted(s_invokeActionDelegate, continuation, _value._token, ValueTaskSourceOnCompletedFlags.UseSchedulingContext);
			}
			else
			{
				ValueTask.CompletedTask.GetAwaiter().UnsafeOnCompleted(continuation);
			}
		}
	}
	public readonly struct ValueTaskAwaiter<TResult> : ICriticalNotifyCompletion, INotifyCompletion
	{
		private readonly ValueTask<TResult> _value;

		public bool IsCompleted
		{
			[MethodImpl(MethodImplOptions.AggressiveInlining)]
			get
			{
				return _value.IsCompleted;
			}
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal ValueTaskAwaiter(ValueTask<TResult> value)
		{
			_value = value;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		[StackTraceHidden]
		public TResult GetResult()
		{
			return _value.Result;
		}

		public void OnCompleted(Action continuation)
		{
			object obj = _value._obj;
			if (obj is Task<TResult> task)
			{
				task.GetAwaiter().OnCompleted(continuation);
			}
			else if (obj != null)
			{
				Unsafe.As<IValueTaskSource<TResult>>(obj).OnCompleted(ValueTaskAwaiter.s_invokeActionDelegate, continuation, _value._token, ValueTaskSourceOnCompletedFlags.UseSchedulingContext | ValueTaskSourceOnCompletedFlags.FlowExecutionContext);
			}
			else
			{
				ValueTask.CompletedTask.GetAwaiter().OnCompleted(continuation);
			}
		}

		public void UnsafeOnCompleted(Action continuation)
		{
			object obj = _value._obj;
			if (obj is Task<TResult> task)
			{
				task.GetAwaiter().UnsafeOnCompleted(continuation);
			}
			else if (obj != null)
			{
				Unsafe.As<IValueTaskSource<TResult>>(obj).OnCompleted(ValueTaskAwaiter.s_invokeActionDelegate, continuation, _value._token, ValueTaskSourceOnCompletedFlags.UseSchedulingContext);
			}
			else
			{
				ValueTask.CompletedTask.GetAwaiter().UnsafeOnCompleted(continuation);
			}
		}
	}
	[AttributeUsage(AttributeTargets.All)]
	internal class __BlockReflectionAttribute : Attribute
	{
	}
}
namespace System.Diagnostics
{
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Constructor | AttributeTargets.Method, Inherited = false)]
	internal sealed class StackTraceHiddenAttribute : Attribute
	{
	}
}