private static boolean qualified_option_key_0_0(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "qualified_option_key_0_0")) return false;
    while (true) {
      int c = current_position_(b);
      if (!consumeToken(b, DOT)) break;
      if (!empty_element_parsed_guard_(b, "qualified_option_key_0_0", c)) break;
    }
    return true;
  }
private static boolean qualified_option_key_0_0(PsiBuilder b, int l)