Remove displayIds from PerDisplayRepository

        return instances[displayId]

    }

    override val displayIds: Set<Int>

        get() = instances.keys

    override val debugName: String

        get() = "FakePerDisplayRepository"

}

    /** Gets the cached instance or create a new one for a given display. */

    operator fun get(displayId: Int): T?

    /** List of display ids for which this repository has an instance. */

    val displayIds: Set<Int>

    /** Debug name for this repository, mainly for tracing and logging. */

    val debugName: String

}

        backgroundApplicationScope.launch("$debugName#start") { start() }

    }

    override val displayIds: Set<Int>

        get() = perDisplayInstances.keys

    private suspend fun start() {

        dumpManager.registerNormalDumpable("PerDisplayRepository-${debugName}", this)

        displayRepository.displayIds.collectLatest { displayIds ->

    private val lazyDefaultDisplayInstance by lazy {

        instanceProvider.createInstance(Display.DEFAULT_DISPLAY)

    }

    override val displayIds: Set<Int> = setOf(Display.DEFAULT_DISPLAY)

    override fun get(displayId: Int): T? = lazyDefaultDisplayInstance

}

 */

class SingleInstanceRepositoryImpl<T>(override val debugName: String, private val instance: T) :

    PerDisplayRepository<T> {

    override val displayIds: Set<Int> = setOf(Display.DEFAULT_DISPLAY)

    override fun get(displayId: Int): T? = instance

}