code: function withUID($uid)
      {
          $n = clone $this;
          $qPayload = clone $this->qPayloadWrapper;
          $qPayload = $qPayload->withUID($uid);
          $n->qPayloadWrapper = $qPayload;
          return $n;
      }
docs: With UID
  
  @param mixed $uid
  
  @return $this