docs: def trace_next_query(self, ):
      """
      Enables tracing for the next query in this connection and returns the UUID for that trace session
      The next query will be traced idependently of trace probability and the returned UUID can be used to query the trace keyspace
      """
      self._seqid += 1
      d = self._reqs[self._seqid] = defer.Deferred()
      self.send_trace_next_query()
      return d