/**
 * List of brands
 *
 * @return array
 */
public function listAction()
{
    $brandIds = Drupal::entityQuery('node')
        ->condition('type', 'brand')
        ->sort('title', 'asc')
        ->execute();

    return [
        'addition_arguments' => [
            '#theme' => 'page--brands',
            '#brands' => is_array($brandIds) ? Node::loadMultiple($brandIds) : [],
            '#brands_filter' => Drupal::config('field.storage.node.field_brand_categories')->get()
        ]
    ];
}