val dataStore = DataStoreFactory.createEncrypted(serializer) {
    EncryptedFile.Builder(
        context.dataStoreFile("filename"),
        context,
        MasterKeys.getOrCreate(MasterKeys.AES256_GCM_SPEC),
        EncryptedFile.FileEncryptionScheme.AES256_GCM_HKDF_4KB
    ).build()
}

// 1. Move the field to top level of you Kotlin file and turn it to an extension on Context
// 2. Replace `DataStoreFactory.createEncrypted` with `encryptedDataStore`
val Context.dataStore by encryptedDataStore(
    fileName = "filename", // Keep file the same
    serializer = serializer,
)