typealias MyType = Int

class DataStore {
    private val stores = ConcurrentHashMap<String, DataStore<MyType>>()

    suspend fun get(uuid: String): DataStore<MyType> =
        stores.getOrPut(uuid) {
            preferencesDataStore(
                name = PREFS_NAME,
                produceMigrations = { context -> listOf(SharedPreferencesMigration(context, PREFS_NAME)) }
            )
        }
}