UserSessionManager.kt

@SingleIn(AppScope::class)
class UserSessionManager @Inject constructor(private val app: App) {

    private var _userCoroutineScope: UserCoroutineScope? = null

    private val userCoroutineScope: CoroutineScope
        get() = createUserCoroutineScope()

    fun resetSession() {
        _userCoroutineScope?.cancel()
        _userCoroutineScope = null
        // ...
    }

    fun createSession(id: String) {
        // ...
    }

    private fun createUserCoroutineScope(): UserCoroutineScope {
        return _userCoroutineScope ?: UserCoroutineScope(CoroutineScope(SupervisorJob()))
            .also { _userCoroutineScope = it }
    }
}