SharedWorker.php
public function stop()
    {
        if ($this->adminCookie === null) {
            throw new Exception\LogicException('Cannot stop a shared worker without an admin cookie');
        }
        AdminEncoding::sendStopMessage($this->channel, $this->adminCookie);

        return $this;
    }
public function stop()
    {
        if ($this->adminCookie === null) {
            throw new Exception\LogicException('Cannot stop a shared worker without an admin cookie');
        }
        AdminEncoding::sendStopMessage($this->channel, $this->adminCookie);

        return $this;
    }
@throws Exception\LogicException
@throws Exception\RuntimeException

@return $this