net6.0-windows 
namespace System.IO
{
    public class StreamReader : TextReader
    {
        public override Task<string?>! ReadLineAsync();
    }
}
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.NET
5.06.07.08.09.010.0
.NET Core
1.01.12.02.12.23.03.1
.NET Framework
4.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
1.01.11.21.31.41.51.62.02.1
Information specific to net6.0
Assemblies

System.Runtime , Version=6.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

System.IO , Version=4.1.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Requires any:

  • Your project needs a package reference to System.IO.

  • Your project needs a package reference to System.Runtime.Experimental.

Package System.Runtime.Experimental (6.0.2) net6.0
Platform Restrictions

This API is supported on all platforms.

  • Built-in API
  • Package-provided API