public void consumer(Class<?> api,@Pin ServiceRefAmp serviceRef,Result<? super Cancel> result){
  String path=api.getName();
  String address=address(path);
  EventNodeAsset node=lookupPubSubNode(address);
  Cancel cancel=node.consumeImpl(serviceRef);
  result.ok(cancel);
}

public void consumer ( Class < ? > api , @ Pin ServiceRefAmp serviceRef , Result < ? super Cancel > result ) { String path = api . getName ( ) ; String address = address ( path ) ; EventNodeAsset node = lookupPubSubNode ( address ) ; Cancel cancel = node . consumeImpl ( serviceRef ) ; result . ok ( cancel ) ; }
consume a callback to a location .
