docs: def _get_translated_field_names(model_instance):
          """
          Get the instance translatable fields
  
          :return:
          """
          hvad_internal_fields = ['id', 'language_code', 'master', 'master_id', 'master_id']
          translated_field_names = set(model_instance._translated_field_names) - set(hvad_internal_fields)
          return translated_field_names