code: public URI toUri(URI fileSystemUri, JimfsPath path) {
      checkArgument(path.isAbsolute(), "path (%s) must be absolute", path);
      String root = String.valueOf(path.root());
      Iterable<String> names = Iterables.transform(path.names(), Functions.toStringFunction());
      return type.toUri(fileSystemUri, root, names, Files.isDirectory(path, NOFOLLOW_LINKS));
    }
docs: Returns the URI for the given path. The given file system URI is the base against which the
  path is resolved to create the returned URI.