CckMigration.php

<?php

namespace Drupal\migrate_drupal\Plugin\migrate;

@trigger_error('CckMigration is deprecated in Drupal 8.3.x and will be removed before Drupal 9.0.x. Use \\Drupal\\migrate_drupal\\Plugin\\migrate\\FieldMigration instead.', E_USER_DEPRECATED);

/**
 * Migration plugin class for migrations dealing with CCK field values.
 *
 * @deprecated in drupal:8.3.0 and is removed from drupal:9.0.0. Use
 * \Drupal\migrate_drupal\Plugin\migrate\FieldMigration instead.
 *
 * @see https://www.drupal.org/node/2751897
 */
class CckMigration extends FieldMigration {
    
    /**
     * {@inheritdoc}
     */
    const PLUGIN_METHOD = 'cck_plugin_method';

}