SomeCoroutineScopeClass.kt

class SomeCoroutineScopeClass : CoroutineScope {
  override val coroutineContext: CoroutineContext

  init {
    val receiver: CoroutineContext = Job()
    val other: CoroutineContext = Dispatchers.Main
    
    // combine two contexts to create an entirely new instance
    val newContext: CoroutineContext = receiver + other
    
    coroutineContext = newContext
  }
}