public static <T,R> List<R> manipulateList(List<T> recList,
                                               Predicate<T> filterPredicate,
                                               Comparator<T> comparatorT,
                                               Function<T,R> mapTtoR,
                                               Optional<Long> limit,
                                               Optional<Long> offset) {

        return recList.stream()
                      .filter(filterPredicate)
                      .sorted(comparatorT)
                      .skip(offset.orElse(0l))
                      .limit(limit.orElse(Long.MAX_VALUE))
                      .map(mapTtoR)
                      .collect(Collectors.toList());

    }