private static boolean wildcard_bound_0(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "wildcard_bound_0")) return false;
    boolean r;
    r = consumeToken(b, KW_EXTENDS);
    if (!r) r = consumeToken(b, KW_SUPER);
    return r;
  }
private static boolean wildcard_bound_0(PsiBuilder b, int l)