/**
* Sends a request and gets the full response.
*
* @param Request $request The request to send.
*
* @return ResponseCollection The received responses as a collection.
* @see sendAsync()
* @see close()
*/
public function sendSync(Request $request)
{
$tag = $request->getTag();
if ('' == $tag) {
$this->send($request);
} else {
$this->sendAsync($request);
}
return $this->completeRequest($tag);
}
