docs: def update(self, new_data: Dict[Text, Dict[Text, Text]]):
          """
          Receive an update from a loader.
  
          :param new_data: New translation data from the loader
          """
  
          for locale, data in new_data.items():
              if locale not in self.dict:
                  self.dict[locale] = {}
  
              self.dict[locale].update(data)