private static boolean tuple_var_declaration_tuple_2_0(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "tuple_var_declaration_tuple_2_0")) return false;
    boolean r, p;
    Marker m = enter_section_(b, l, _NONE_);
    r = mb_nl(b, l + 1);
    r = r && consumeToken(b, T_COMMA);
    p = r; // pin = 2
    r = r && tuple_var_declaration_item(b, l + 1);
    exit_section_(b, l, m, r, p, null);
    return r || p;
  }
private static boolean tuple_var_declaration_tuple_2_0(PsiBuilder b, int l)