private int DecodeBlock(byte *source, int sourceLength, byte *target, int targetLength) => LLxx.LZ4_decompress_safe_continue(_context, source, target, sourceLength, targetLength);
/// <inheritdoc /> protected override int EncodeBlock( byte *source, int sourceLength, byte *target, int targetLength) => LLxx.LZ4_compress_fast_continue( _context, source, target, sourceLength, targetLength, 1);