public function buildForm(array $form, FormStateInterface $form_state) {
    $form['actions']['#type'] = 'actions';

    if ($category_vid = $this->connectorConfig->get('category_vid')) {
      $form['actions']['cats'] = [
        '#type' => 'submit',
        '#value' => t('Synchronize Categories'),
      ];
    }

    $form['actions']['products_async'] = [
      '#type' => 'submit',
      '#value' => t('Synchronize Products (async)'),
    ];

    $form['actions']['products_sync'] = [
      '#type' => 'submit',
      '#value' => t('Synchronize Products (sync)'),
    ];

    return ($form);
  }