private static boolean path_empty_1(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "path_empty_1")) return false;
    boolean r;
    Marker m = enter_section_(b);
    r = consumeToken(b, "0");
    exit_section_(b, m, null, r);
    return r;
  }
private static boolean path_empty_1(PsiBuilder b, int l)