/**
* {@inheritdoc}
*/
public function clear()
{
$this->callableQueue->clear();
$this->immediateManager->clear();
$this->pollManager->clear();
$this->awaitManager->clear();
$this->timerManager->clear();
if (null !== $this->signalManager) {
$this->signalManager->clear();
}
}
/**
* {@inheritdoc}
*/
public function reference()
{
$this->referenced = true;
$this->manager->reference($this);
}