code: @Override
    public void initialize(URI path, Configuration config) throws IOException {
      initialize(path, config, /* initSuperclass= */ true);
    }
docs: See {@link #initialize(URI, Configuration, boolean)} for details; calls with third arg
  defaulting to 'true' for initializing the superclass.
  
  @param path URI of a file/directory within this file system.
  @param config Hadoop configuration.