Page applications = appRepo.findAll(predicate, page).
                    map(item -> projectionFactory.createProjection(ApplicationProjection.class, item));

List appList = applications.getContent();
// logic to remove the elements as per your condition modifiedAppList
// create a new Page with the modified list and size
Page newApplicationsPage = new PageImpl<>(modifiedAppList, PageRequest.of(pageNo, pageSize),modifiedAppList.size());