private static boolean instanceof_expression_tail_0(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "instanceof_expression_tail_0")) return false;
    boolean r;
    r = consumeTokenFast(b, KW_INSTANCEOF);
    if (!r) r = consumeTokenFast(b, T_NOT_INSTANCEOF);
    return r;
  }
private static boolean instanceof_expression_tail_0(PsiBuilder b, int l)