initializeClient method
Implementation
@override
Future<String?> initializeClient(Uint8List privateKey, Uint8List dbKey,
{String environment = 'production', String? dbDirectory}) async {
await _ensureInitialized();
return rust_client.initializeClient(
privateKey: privateKey.toList(),
dbEncryptionKey: dbKey.toList(),
environment: environment,
);
}