*/
function find($where = [], $order = null, $limit = null, $offset = null);
+ /**
+ * Find parent
+ * @param object $object
+ * @param string $refName
+ * @return object
+ */
+ function by($object, $refName);
+
+ /**
+ * Find child rows
+ * @param object $object
+ * @param string $refName
+ * @return array
+ */
+ function of($object, $refName);
+
/**
* Delete
* @param object $object