CatController.kt

class CatController @Inject constructor(
  val catService: CatService,
  val catRepository: CatRepository,

  @Named("background")
  val backgroundThread: Scheduler,

  @Named("MAIN")
  val mainThread: Scheduler
)

Component.kt

interface AppComponent {
   val catController: CatController
   // ... other existing properties
}  

usage.kt

fun usage() {
     val catController = app().catController
}