final Map<String, FragmentEntity> existingChildrenByXpath = existingFragmentEntity.getChildFragments()
.stream().collect(Collectors.toMap(FragmentEntity::getXpath, childFragmentEntity -> childFragmentEntity));
final Map<String, FragmentEntity> existingChildrenByXpath = existingFragmentEntity.getChildFragments()
.stream().collect(Collectors.toMap(FragmentEntity::getXpath, childFragmentEntity -> childFragmentEntity));