example-routing.module.ts

const routes = //.....\\\\

@NgModule({
  declarations: [
     AllComponentsThatPersistAlways
  ],
  imports: [BrowserModule, FormsModule, HttpModule, RouterModule.forRoot(routes)],
  providers: [
    {
      provide: RouteReuseStrategy,
      useClass: CustomRouteReuseStrategy
    }
  ],
  bootstrap: [AppComponent]
})
export class PesdyoModule {
}