code: private Map<String, Type> createUninvertingMap() {
  
          Map<String, UninvertingReader.Type> uninvertingMap = new HashMap<String, UninvertingReader.Type>();
          CmsSearchField.addUninvertingMappings(uninvertingMap);
          getFieldConfiguration().addUninvertingMappings(uninvertingMap);
          return uninvertingMap;
      }
docs: Generates the uninverting map and adds it to the field configuration.
  @return the generated uninverting map
  
  @see CmsSearchField#addUninvertingMappings(Map)