public void SetupClient()
        {
            User user = User.WithKey(user_key);

            client = LdClient.Init(mobile_key, user);
            client.RegisterFeatureFlagListener(int_feature_flag, this);
            client.RegisterFeatureFlagListener(bool_feature_flag, this);
            client.RegisterFeatureFlagListener(string_feature_flag, this);
            client.RegisterFeatureFlagListener(json_feature_flag, this);

            LoadFlags();
        }
        public void Init(string userId)
        {
            client = LdClient.Init(Helpers.Constants.LaunchDarklyApiKey, User.WithKey(userId), TimeSpan.FromSeconds(10));

            client.RegisterFeatureFlagListener("azure-blog-feed", this);
        }