code: public void handleChange(Object propertyId) {
  
          try {
              lockOnChange(propertyId);
          } catch (CmsException e) {
              LOG.debug(e);
          }
          if (isDescriptorProperty(propertyId)) {
              m_descriptorHasChanges = true;
          }
          if (isBundleProperty(propertyId)) {
              m_changedTranslations.add(getLocale());
          }
  
      }
docs: Handles the change of a value in the current translation.
  @param propertyId the property id of the column where the value has changed.