in flink-connector-rabbitmq/src/main/java/org/apache/flink/streaming/connectors/rabbitmq/QueueingConsumer.java [153:158]
public void handleDelivery(
String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body)
throws IOException {
checkShutdown();
this.queue.add(new Delivery(envelope, properties, body));
}