public final @NotNull <T> Query<Result> createUniqueResultsQuery(@NotNull Parameters parameters, @NotNull Function<? super Result, ? extends T> mapper) {
    return new UniqueResultsQuery<>(createQuery(parameters), mapper);
  }
public final @NotNull <T> Query<Result> createUniqueResultsQuery(@NotNull Parameters parameters, @NotNull Function<? super Result, ? extends T> mapper)