static boolean switch_expr_remainder(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "switch_expr_remainder")) return false;
    if (!nextTokenIs(b, "", T_ARROW, T_COLON)) return false;
    boolean r;
    r = case_arrow_remainder(b, l + 1);
    if (!r) r = case_colon_remainder(b, l + 1);
    return r;
  }
static boolean switch_expr_remainder(PsiBuilder b, int l)