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
	{
	}
}