code: private ClassLoaderInterface getClassLoader() {
  		Map<String, Object> application = ActionContext.getContext().getApplication();
  		if (application != null) {
  			return (ClassLoaderInterface) application.get(ClassLoaderInterface.CLASS_LOADER_INTERFACE);
  		}
  		return null;
  	}
docs: this class loader interface can be used by other plugins to lookup
  resources from the bundles. A temporary class loader interface is set
  during other configuration loading as well
  
  @return ClassLoaderInterface (BundleClassLoaderInterface)