return function(target){
   if(override instanceof HtmlBehaviorResource){
     Reflect.defineMetadata(Metadata.resource, override, target);
   }else{
     var resource = Metadata.getOrCreateOwn(Metadata.resource, HtmlBehaviorResource, target);
     Object.assign(resource, override);
   }
 }

  /**
  * Registers a type (constructor function) by inspecting its registration annotations. If none are found, then the default singleton registration is used.
  *
  * @method autoRegister
  * @param {Function} fn The constructor function to use when the dependency needs to be instantiated.
  * @param {Object} [key] The key that identifies the dependency at resolution time; usually a constructor function.
  */
  autoRegister(fn, key?){
    var registration;

    if (fn === null || fn === undefined){
      throw new Error('fn cannot be null or undefined.')
    }

    registration = Metadata.on(fn).first(Registration, true);

    if(registration){
      registration.register(this, key || fn, fn);
    }else{
      this.registerSingleton(key || fn, fn);
    }
  }