_initHandler example

return TRUE;
  }

  /** * Acquires and attaches all of the handlers. */
  public function initHandlers() {
    $this->initDisplay();
    if (empty($this->inited)) {
      foreach ($this::getHandlerTypes() as $key => $info) {
        $this->_initHandler($key, $info);
      }
      $this->inited = TRUE;
    }
  }

  /** * Gets the current pager plugin. * * @return \Drupal\views\Plugin\views\pager\PagerPluginBase * The current pager plugin. */