TaskThreadingImpl for TaskThreading container of Schedulers and its usages

TaskThreadingImpl.kt

class TaskThreadingImpl @Inject constructor() : TaskThreading {
  private val computationScheduler = Schedulers.computation()
  private val ioScheduler = Schedulers.io()
  private val mainScheduler = AndroidSchedulers.mainThread()

  override fun ui(): Scheduler = mainScheduler
  override fun io(): Scheduler = ioScheduler
  override fun computation(): Scheduler = computationScheduler
}