static boolean option_value(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "option_value")) return false;
    if (!nextTokenIs(b, "", COMMA, IDENTIFIER)) return false;
    boolean r;
    r = option_value_pair(b, l + 1);
    if (!r) r = option_value_standalone_list(b, l + 1);
    if (!r) r = option_value_standalone_identifier(b, l + 1);
    return r;
  }
static boolean option_value(PsiBuilder b, int l)