public LoginController(
     SignInService signInService,
     SignInInteraction signInInteraction)
 {
     _signInService = signInService;
     _signInInteraction = signInInteraction;
 }
 public LoginController(
     SignInService signInService,
     SignInInteraction signInInteraction,
     CredentialService credentialService)
 {
     _signInService = signInService;
     _signInInteraction = signInInteraction;
     _credentialService = credentialService;
 }