code: private void changeSimpleValue(String attributeName, int index, String value, List<String> parentPathElements) {
  
          CmsAttributeHandler handler = getAttributeHandler(attributeName, parentPathElements);
          handler.changeValue(value, index);
      }
docs: Changes a simple type entity value.<p>
  
  @param attributeName the attribute name
  @param index the value index
  @param value the value
  @param parentPathElements the parent path elements