public function envDown($opts = [
        'include-network' => false,
    ])
    {
        $this->executeCommandHook(__FUNCTION__, 'before');
        $this->engineInstance()->down($opts['include-network']);

        // Allow projects to react to the engine shutdown.
        $this->invokeEngineEvent('onEngineDown');

        // Remove hostname from the system hosts file.
        $this->removeHostName();
        $this->executeCommandHook(__FUNCTION__, 'after');

        return $this;
    }