public DisposableAction(dotnet2::System.Action action)
 {
     _action = action;
 }
 public AsyncStreamReader(Stream stream, IConnection connection, dotnet2::System.Action initializeCallback, dotnet2::System.Action closeCallback)
 {
     _initializeCallback = initializeCallback;
     _closeCallback = closeCallback;
     _stream = stream;
     _connection = connection;
     _buffer = new ChunkBuffer();
 }