docs: async def send(self, data: Union[bytes, str], final: bool = True):
          """
          Sends some data down the connection.
          """
          MsgType = TextMessage if isinstance(data, str) else BytesMessage
          data = MsgType(data=data, message_finished=final)
          data = self._connection.send(event=data)
          await self._sock.send_all(data)