protected function expireResponses()
{
$now = TimeSupport::now();
$expiredReps = [];
foreach ($this->handledReps as $pid => $response) {
if ($now >= $response->timeout) {
$expiredReps[] = $pid;
}
}
foreach ($expiredReps as $pid) {
unset($this->handledReps[$pid]);
}
}