code: public SymbolicLink createSymbolicLink(
        JimfsPath path, JimfsPath target, FileAttribute<?>... attrs) throws IOException {
      if (!store.supportsFeature(Feature.SYMBOLIC_LINKS)) {
        throw new UnsupportedOperationException();
      }
      return (SymbolicLink) createFile(path, store.symbolicLinkCreator(target), true, attrs);
    }
docs: Creates a new symbolic link at the given path with the given target. The given attributes will
  be set on the new file if possible.