static boolean disjunction_type_element_part(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "disjunction_type_element_part")) return false;
    if (!nextTokenIsFast(b, T_BOR)) return false;
    boolean r, p;
    Marker m = enter_section_(b, l, _NONE_);
    r = consumeTokenFast(b, T_BOR);
    p = r; // pin = 1
    r = r && disjunction_type_element_part_1(b, l + 1);
    exit_section_(b, l, m, r, p, null);
    return r || p;
  }
static boolean disjunction_type_element_part(PsiBuilder b, int l)