static boolean parameter_start(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "parameter_start")) return false;
    boolean r;
    r = parameter_start_modifiers(b, l + 1);
    if (!r) r = parameter_start_no_modifiers(b, l + 1);
    return r;
  }
static boolean parameter_start(PsiBuilder b, int l)