src/Workers/AbstractWorker.php
public function shutdownNow(): void
    {
        $this->logger->notice('{type}: Force an immediate shutdown of the worker', ['type' => $this->name]);

        $this->doShutdown();
        $this->killChildren();
    }
public function shutdownNow(): void
    {
        $this->logger->notice('{type}: Force an immediate shutdown of the worker', ['type' => $this->name]);

        $this->doShutdown();
        $this->killChildren();
    }
{@inheritdoc}

@return void