private static boolean dec_octet_4(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "dec_octet_4")) return false;
    boolean r;
    Marker m = enter_section_(b);
    r = consumeToken(b, "2");
    r = r && consumeToken(b, "5");
    r = r && dec_octet_4_2(b, l + 1);
    exit_section_(b, m, null, r);
    return r;
  }
private static boolean dec_octet_4(PsiBuilder b, int l)