nested Components in angular2

I'm going to upgrade my knowledge of angular2 from version Rc5 to 2.2. I have problem with directive property that had been deprecated since i upgraded my packages.I know it moves to imports property on NgModule decorator but it called Shared Components but when i have very large number of components that i have to move from directives on every component to starting point of my app at NgModule and therefor all of my Components have to Load at start,i don't know if there is a way to bring back directives to Components to lazy load Components inside other Components.