SetMultibindingDaggerSetup.kt

@Module
class AnalyticsModule {

  @Provides
  @IntoSet
  fun analyticsCallbacks(callbacks: AnalyticsCallbacks): ActivityLifecycleCallbacks = callbacks
}

@Module
class PushModule {

  @Provides
  @IntoSet
  fun pushCallbacks(callbacks: PushCallbacks): ActivityLifecycleCallbacks = callbacks
}

@Component(modules = [AnalyticsModule::class, PushModule::class, /* ... other modules */])
interface AppComponent {
  fun callbacks(): Set<ActivityLifecycleCallbacks>
}