@Composable
@KoinInternalApi
inline fun rememberKoinApplication(noinline koinAppDeclaration: KoinAppDeclaration): Koin {
    val wrapper = remember(koinAppDeclaration) {
        CompositionKoinApplicationLoader(koinApplication(koinAppDeclaration)) // <- 요거
    }
    return wrapper.koin ?: error("Koin context has not been initialized in rememberKoinApplication")
}

@KoinInternalApi
class CompositionKoinApplicationLoader(
    val koinApplication: KoinApplication,
) : RememberObserver {

    var koin : Koin? = null

    init {
        start()
    }

    override fun onAbandoned() {
        stop()
    }

    override fun onForgotten() {
        stop()
    }

    override fun onRemembered() {
        start()
    }

    private fun start() {
        if (KoinPlatform.getKoinOrNull() == null){
            try {
                koin = startKoin(koinApplication).koin
                koin!!.logger.debug("$this -> started Koin Application $koinApplication")
            } catch (e: Exception) {
                error("Can't start Koin from Compose context - $e")
            }
        }
    }

    private fun stop() {
        koin = null
        KoinPlatform.getKoinOrNull()?.logger?.debug("$this -> stop Koin Application $koinApplication")
        stopKoin()
    }
}