appComponentProviders

class MetroApp : Application(), MetroApplication {
  /** Holder reference for the app graph for [MetroAppComponentFactory]. */
  val appGraph by lazy { createGraph<AppGraph>() }

  override val appComponentProviders: MetroAppComponentProviders
    get() = appGraph
}

@DependencyGraph
interface AppGraph : MetroAppComponentProviders {
  // ...
}