docs: def get_elements(self, object_list):
          """
          Recursive method to iterate the tree of children in order to flatten it
  
          :param object_list:
          :return:
          """
          result = []
          for item in object_list:
              if isinstance(item, list):
                  result += self.get_elements(item)
              elif isinstance(item, TranslatableModel):
                  result.append(item)
          return result