private static boolean Key_1(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "Key_1")) return false;
    while (true) {
      int c = current_position_(b);
      if (!Key_1_0(b, l + 1)) break;
      if (!empty_element_parsed_guard_(b, "Key_1", c)) break;
    }
    return true;
  }
private static boolean Key_1(PsiBuilder b, int l)