private void addCallbackMethod(String layoutFile, String callback) {
		addToMapSet(callbackMethods, layoutFile, callback);
		
		// Recursively process any dependencies we might have collected before
		// we have processed the target
		if (includeDependencies.containsKey(layoutFile))
			for (String target : includeDependencies.get(layoutFile))
				addCallbackMethod(target, callback);
	}