public function __destruct()
{
unset($this->parent);
unset($this->alias);
unset($this->name);
unset($this->args);
unset($this->state);
unset($this->core);
unset($this->manager);
unset($this->loop);
unset($this->loopBackup);
unset($this->loopState);
unset($this->loopNextState);
unset($this->supervisor);
unset($this->eventEmitter);
unset($this->failureHash);
}