StreamExtensions
public static void CopyTo(this Stream source, Stream destination, CancellationToken cancellationToken)
public static Task CopyToAsync(this Stream source, Stream destination, CancellationToken cancellationToken)
public static Task WriteAsync(this Stream stream, ReadOnlyMemory<byte> buffer, CancellationToken cancellation = default)
public static Task WriteAsync(this Stream stream, ReadOnlySequence<byte> buffer, CancellationToken cancellation = default)