public static boolean fvd_tuple_tail(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "fvd_tuple_tail")) return false;
    if (!nextTokenIsFast(b, T_LPAREN)) return false;
    boolean r, p;
    Marker m = enter_section_(b, l, _LEFT_, VARIABLE_DECLARATION, null);
    r = tuple_var_declaration_tuple(b, l + 1);
    p = r; // pin = 1
    r = r && tuple_initializer(b, l + 1);
    exit_section_(b, l, m, r, p, null);
    return r || p;
  }
public static boolean fvd_tuple_tail(PsiBuilder b, int l)