ExampleConfigEntityListBuilder.php

<?php

namespace Drupal\ctools_wizard_test;

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

/**
 * Provides a listing of Example config entity entities.
 */
class ExampleConfigEntityListBuilder extends ConfigEntityListBuilder {
    
    /**
     * {@inheritdoc}
     */
    public function buildHeader() {
        $header['label'] = $this->t('Example config entity');
        $header['id'] = $this->t('Machine name');
        return $header + parent::buildHeader();
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildRow(EntityInterface $entity) {
        $row['label'] = $entity->label();
        $row['id'] = $entity->id();
        // You probably want a few more properties here...
        return $row + parent::buildRow($entity);
    }
    
    /**
     * @inheritDoc
     */
    public function getOperations(EntityInterface $entity) {
        $operations = parent::getOperations($entity);
        if (!empty($operations['edit'])) {
            
            /** @var \Drupal\Core\Url $edit */
            $edit = $operations['edit']['url'];
            $edit->setRouteParameters([
                'machine_name' => $entity->id(),
                'step' => 'general',
            ]);
        }
        return $operations;
    }

}