<?xml version="1.0"?>
<ErrorDocumentation xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ErrorName>CS1993</ErrorName>
  <Examples>
    <string>//
// The minimal mscorlib implementation
//

namespace System
{
	public partial class Object {}

	public partial struct Byte {}
	public partial struct Int16 {}
	public partial struct Int32 {}
	public partial struct Int64 {}
	public partial struct Single {}
	public partial struct Double{}
	public partial struct Char {}
	public partial struct Boolean {}
	public partial struct SByte {}
	public partial struct UInt16 {}
	public partial struct UInt32 {}
	public partial struct UInt64 {}
	public partial struct IntPtr {}
	public partial struct UIntPtr {}
	public partial struct Decimal { }
	public partial class String { }
	public partial class Delegate {}
	public partial class MulticastDelegate {}
	public partial class Array {}
	public partial class Exception {}
	public partial class Type {}
	public partial class ValueType {}
	public partial class Enum {}
	public partial class Attribute {}
	public partial struct Void {}
	public partial class ParamArrayAttribute {}
	public partial class DefaultMemberAttribute {}
	public partial struct RuntimeTypeHandle {}
	public partial struct RuntimeFieldHandle {}

	public partial interface IDisposable {}

	public delegate void Action ();
}
	
namespace System.Runtime.InteropServices
{
	public partial class OutAttribute {}
}
		

namespace System.Collections
{
	public partial interface IEnumerable {}
	public partial interface IEnumerator {}
}

namespace System.Reflection
{
	public partial class DefaultMemberAttribute {}
}

namespace System.Runtime.CompilerServices
{
	public class ExtensionAttribute : Attribute {}
}
</string>
    <string>// CS1993: Cannot find compiler required types for asynchronous functions support. Are you targeting the wrong framework version?
// Line: 38
// Compiler options: -nostdlib CS1993-corlib.cs

using System.Threading.Tasks;

namespace System.Threading.Tasks
{
	class Task&lt;T&gt;
	{
	}
}

static class S
{
	public static A GetAwaiter (this int i)
	{
		return new A ();
	}
}

class A
{
	bool IsCompleted {
		get {
			return true;
		}
	}
	
	void OnCompleted (System.Action a)
	{
	}
	
	int GetResult ()
	{
		return 3;
	}
	
	static async Task&lt;int&gt; Test ()
	{
		return await 2;
	}
}
</string>
  </Examples>
</ErrorDocumentation>