public override int Link(ReadOnlySpan <byte> fromPath, ReadOnlySpan <byte> toPath, Guid fileGuid)
        {
            if (debug)
            {
                Console.WriteLine($"NeoFS::Link()");
            }
            fromPath = base.TransformPath(fromPath);
            toPath   = base.TransformPath(toPath);

            var res = LibC.link(toBp(fromPath), toBp(toPath));

            if (res < 0)
            {
                res = LibC.errno;
            }

            return(res);
        }