Creates a symbolic link. Returns a Future<Link> that completes with
the link when it has been created. If the link exists,
the future will complete with an error.
Updates the link. Returns a Future<Link> that completes with the
link when it has been updated. Calling update on a non-existing link
will complete its returned future with an exception.
Resolves the path of a file system object relative to the
current working directory, resolving all symbolic links on
the path and resolving all .. and . path segments.
Resolves the path of a file system object relative to the
current working directory, resolving all symbolic links on
the path and resolving all .. and . path segments.