code: def process_user(self, user: types.User):
          
          if not user:
              return
  
          yield 'user_id', user.id
          if self.include_content:
              yield 'user_full_name', user.full_name
              if user.username:
                  yield 'user_name', f"@{user.username}"
docs: Generate user data
  
          :param user:
          :return: