docs: def set_card_simple(self, title, content):
          """Set response card as simple type.
  
          title and content cannot exceed 8,000 characters.
  
          Args:
              title: str. Title of Simple or Standard type card.
              content: str. Content of Simple type card.
          """
          self.response.card.type = 'Simple'
          self.response.card.title = title
          self.response.card.content = content