code: @Test
      public void get_missing_default_translation() {
          KeySearchCriteria criteria = new KeySearchCriteria(true, null, null, null);
          PaginatedView<KeyRepresentation> keyRepresentations = keyFinder
                  .findKeysWithTheirDefaultTranslation(FIRST_RANGE, criteria);
  
          assertThat(keyRepresentations.getPageSize()).isEqualTo(2);
  
          KeyRepresentation representation = keyRepresentations.getView().get(0);
          assertThat(StringUtils.isBlank(representation.getTranslation())).isTrue();
      }
docs: Request all the keys marked as missing.