MyStyle.php

<?php

/**
 * @file
 * Definition of Drupal\my_style\Plugin\views\style\MyStyle.
 */

namespace Drupal\my_style\Plugin\views\style;

use Drupal\core\form\FormStateInterface;

use Drupal\views\Plugin\views\style\StylePluginBase;

/**
 * Style plugin to render a list articles
 * in special format.
 *
 * @ingroup views_style_plugins
 *
 * @ViewsStyle(
 *   id = "my_style_plugin",
 *   title = @Translation("Blog View Style"),
 *   help = @Translation("Render a list of articles in a special format."),
 *   theme = "my_style_template",
 *   display_types = { "normal" }
 * )
 *

 */
class MyStyle extends StylePluginBase {

  /**
   * {@inheritdoc}
   */

  protected $usesRowPlugin = TRUE;

  /**
   * Set default options
   */

  protected function defineOptions() {

    $options = parent::defineOptions();

    return $options;

  }

  /**
   * {@inheritdoc}
   */

  public function buildOptionsForm(&$form, FormStateInterface $form_state) {

    parent::buildOptionsForm($form, $form_state);

  }

  public function render() {

    return parent::render();

  }

}