class ChRootedFs extends AbstractFileSystem {

  @Override
  public void renameSnapshot(Path path, String snapshotOldName,
      String snapshotNewName) throws IOException {
    myFs.renameSnapshot(fullPath(path), snapshotOldName, snapshotNewName);
  }

  public  ChRootedFs(final AbstractFileSystem fs, final Path theRoot);

}