public void Start()

in Samples~/SampleGame/Assets/Scripts/Server/GameLiftServer.cs [48:104]
52 lines of code
3 McCabe index (conditional complexity)

    public void Start(int port, string authToken = null, string logFilePath = null)
    {
        _logFilePath = logFilePath;
        _port = port;

        string sdkVersion = GameLiftServerAPI.GetSdkVersion().Result;
        _logger.Write(":) SDK VERSION: " + sdkVersion);

        try
        {
            string websocketUrl;
            string fleetID;
            string computeName;
#if UNITY_EDITOR
            var stateManager = new StateManager(new CoreApi());
            websocketUrl = stateManager.WebSocketUrl;
            fleetID = stateManager.AnywhereFleetId;
            computeName = stateManager.ComputeName;
            var profileName = stateManager.ProfileName;
            var region = stateManager.Region;
            var credentialsResponse =
                _credentialsStore.RetriveAwsCredentials(
                    new RetriveAwsCredentialsRequest() { ProfileName = profileName });
            var gameLiftClient = new AmazonGameLiftClient(credentialsResponse.AccessKey, credentialsResponse.SecretKey,
                RegionEndpoint.GetBySystemName(region));
            authToken ??= gameLiftClient
                .GetComputeAuthToken(new GetComputeAuthTokenRequest { ComputeName = computeName, FleetId = fleetID })
                .AuthToken;
#else
            websocketUrl = _settings.GetSetting(ServerSettingsKeys.WebSocketUrl).Value;
            fleetID = _settings.GetSetting(ServerSettingsKeys.FleetId).Value;
            computeName = _settings.GetSetting(ServerSettingsKeys.ComputeName).Value;
#endif
            var serverParams =
                new ServerParameters(websocketUrl, $"{ProcessIDPrefix}-{Guid.NewGuid()}", computeName, fleetID, authToken);

            GenericOutcome initOutcome = GameLiftServerAPI.InitSDK(serverParams);

            if (initOutcome.Success)
            {
                _logger.Write(":) SERVER IS IN A GAMELIFT FLEET");
                ProcessReady();
            }
            else
            {
                SetConnected(false);

                _logger.Write(":( SERVER NOT IN A FLEET. GameLiftServerAPI.InitSDK() returned " + Environment.NewLine +
                              initOutcome.Error.ErrorMessage);
            }
        }
        catch (Exception e)
        {
            _logger.Write(":( SERVER NOT IN A FLEET. GameLiftServerAPI.InitSDK() exception " + Environment.NewLine +
                          e.Message);
        }
    }