public function maybeMoveParametersToBody()
  {
    if ($this->getRequestMethod() == "POST" && empty($this->postBody)) {
      $this->setRequestHeaders(
          array(
            "content-type" =>
                "application/x-www-form-urlencoded; charset=UTF-8"
          )
      );
      $this->setPostBody($this->buildQuery($this->queryParams));
      $this->queryParams = array();
    }
  }