addToken method
Implementation
Future<void> addToken(AccessTokenResponse tknResp) async {
var tokens = await insertToken(tknResp);
await storage.write(key, jsonEncode(tokens));
}
Future<void> addToken(AccessTokenResponse tknResp) async {
var tokens = await insertToken(tknResp);
await storage.write(key, jsonEncode(tokens));
}