private static Object[] readWithSerializable(Project project, String is, WorkingSetSerializable serializable)
    throws IOException {
    Object obj = serializable.deserializeMe(project, is);
    if (obj == null) {
      obj = serializable.deserializeMeInvalid(project, is);
    }
    return obj == null ? null : new Object[]{obj};
  }
private static Object[] readWithSerializable(Project project, String is, WorkingSetSerializable serializable)