if (!wctltmList.isEmpty()) {
                final List<String> labelTypeIds = new ArrayList<>(wctltmList.size());
                for (final ElevateWordToLabel mapping : wctltmList) {
                    labelTypeIds.add(mapping.getLabelTypeId());
                }
                entity.setLabelTypeIds(labelTypeIds.toArray(new String[labelTypeIds.size()]));
            }
            return entity;
        });
    }