exchangeName = pb.getExchange();
routingKey = pb.getRoutingKey();
final boolean isRedelivered = Boolean.TRUE.equals(props.getProperty(InstanceProperties.Property.REDELIVERED));
BasicGetOkBody getOkBody =
_connection.getMethodRegistry().createBasicGetOkBody(deliveryTag,
isRedelivered,
exchangeName,
routingKey,
queueSize);