/**
  * Constructor.
  *
  * @param \Cake\Datasource\ConnectionInterface $connection The connection instance.
  * @param string|bool $cacheKey The cache key or boolean false to disable caching.
  */
 public function __construct(ConnectionInterface $connection, $cacheKey = true)
 {
     parent::__construct($connection);
     $this->cacheMetadata($cacheKey);
 }