public ConnectionController(ILogger <ConnectionController> logger, VectorPlusBackgroundService service) : base(logger, service)
 {
 }
 protected AbstractVectorPlusController(ILogger <C> logger, VectorPlusBackgroundService service)
 {
     this.logger  = logger;
     this.service = service;
 }
 public HomeController(ILogger <HomeController> logger, VectorPlusBackgroundService service) : base(logger, service)
 {
 }