code: def class_name_teleflask_message(self) -> str:
          
          # strip leading "Send"
          name = self.class_name  # "sendPhoto" -> "SendPhoto"
          name = name[4:] if name.startswith('Send') else name  # "SendPhoto" -> "Photo"
          name = name + "Message"  # "Photo" -> "PhotoMessage"
  
          # e.g. "MessageMessage" will be replaced as "TextMessage"
          # b/c "sendMessage" -> "SendMessage" -> "Message" -> "MessageMessage"  ==> "TextMessage"
          if name in MESSAGE_CLASS_OVERRIDES:
              return MESSAGE_CLASS_OVERRIDES[name]
          # end if
          return name
docs: If it starts with `Send` remove that.