public NitroServiceClient(
            INitroLoginRequestData credentials,
            INitroServiceConnectionSettings settings,
            HttpClient httpClient)
        {
            _credentials = credentials;
            _settings    = settings;
            _httpClient  = httpClient;

            ConfigureHttpClient();
        }
        public NitroServiceClient(
            INitroLoginRequestData credentials,
            INitroServiceConnectionSettings settings,
            NitroHttpClientCertificateValidation certificateValidation)
        {
            _credentials = credentials;
            _settings    = settings;
            _httpClient  = NitroServiceHttpClientGenerator.Generate(certificateValidation);

            ConfigureHttpClient();
        }