public void setDefaultBackOffMaxInterval(long defaultBackOffMaxInterval) {
		this.defaultBackOffMaxInterval = defaultBackOffMaxInterval;
	}
Set the default retry back off max interval for this bus; can be overridden with consumer 'backOffMaxInterval'
property.
@param defaultBackOffMaxInterval
spring-xd-messagebus-spi/src/main/java/org/springframework/xd/dirt/integration/bus/MessageBusSupport.java