created new interface to signal that a callback will have batch processing

Author: Bogdan Rancichi

RabbitMq/BatchConsumerInterface.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace OldSound\RabbitMqBundle\RabbitMq;
+
+interface BatchConsumerInterface extends ConsumerInterface
+{
+    public function batchExecute();
+}