public function addRelationshipsInParents()
    {
        $options = config('generators.settings');
        if (!$options['model']) {
            $this->info('Model files not found.');

            return;
        }

        $modelSettings = $options['model'];

        // model names
        $modelOne = $this->getModelName($this->argument('tableOne'));
        $modelTwo = $this->getModelName($this->argument('tableTwo'));

        // model path
        $modelOnePath = $modelSettings['path'] . $modelOne . '.php';
        $modelTwoPath = $modelSettings['path'] . $modelTwo . '.php';

        $this->addRelationshipInModel($modelOnePath, $modelTwo, $this->argument('tableTwo'));
        $this->addRelationshipInModel($modelTwoPath, $modelOne, $this->argument('tableOne'));
    }