class CckFieldPluginBase

abstract class CckFieldPluginBase extends FieldPluginBase implements MigrateCckFieldInterface {
  
  /**
   * {@inheritdoc}
   */
  public function defineValueProcessPipeline(MigrationInterface $migration, $field_name, $data) {
    // Provide a bridge to the old method declared on the interface and now an
    // abstract method in this class.
    return $this->processCckFieldValues($migration, $field_name, $data);
  }
  
  /**
   * Apply any custom processing to the field bundle migrations.
   *
   * @param \Drupal\migrate\Plugin\MigrationInterface $migration
   *   The migration entity.
   * @param string $field_name
   *   The field name we're processing the value for.
   * @param array $data
   *   The array of field data from FieldValues::fieldData().
   */
  public abstract function processCckFieldValues(MigrationInterface $migration, $field_name, $data);

}