docs: protected I_CmsSearchDocument appendFieldMappings(
          I_CmsSearchDocument document,
          CmsObject cms,
          CmsResource resource,
          I_CmsExtractionResult extractionResult,
          List<CmsProperty> properties,
          List<CmsProperty> propertiesSearched) {
  
          for (CmsSearchField field : getFields()) {
              document = appendFieldMapping(
                  document,
                  field,
                  cms,
                  resource,
                  extractionResult,
                  properties,
                  propertiesSearched);
          }
  
          return document;
      }