dr8_zth/src/BlogTypeListBuilder.php

<?php

namespace Drupal\dr8_zth;

use Drupal\Core\Config\Entity\ConfigEntityListBuilder;
use Drupal\Core\Entity\EntityInterface;

/**
 * Class BlogTypeListBuilder is the list builder for BlogType entities.
 */
class BlogTypeListBuilder extends ConfigEntityListBuilder {

  /**
   * {@inheritdoc}
   */
  public function buildHeader() {
    $parentHeader = parent::buildHeader();
    $header = [
      $this->t('Type'),
      $this->t('Name'),
      $this->t('Description'),
    ];
    $ret = array_merge($header, $parentHeader);
    return $ret;
  }

  /**
   * {@inheritdoc}
   */
  public function buildRow(EntityInterface $entity) {
    assert($entity instanceof BlogTypeInterface);

    $row = [
      $entity->label(),
      $entity->id(),
      $entity->getDescription(),
    ];
    $ret = array_merge($row, parent::buildRow($entity));
    return $ret;
  }

}