static boolean argument_list_item_head0(PsiBuilder b, int l, Parser _brace, Parser _recovery) {
    if (!recursion_guard_(b, l, "argument_list_item_head0")) return false;
    boolean r, p;
    Marker m = enter_section_(b, l, _NONE_);
    r = mb_nl(b, l + 1);
    r = r && argument_list_item_head0_1(b, l + 1, _brace, _recovery);
    p = r; // pin = 2
    r = r && parse_argument(b, l + 1);
    exit_section_(b, l, m, r, p, _recovery);
    return r || p;
  }
static boolean argument_list_item_head0(PsiBuilder b, int l, Parser _brace, Parser _recovery)