public WavelengthAuthenticationMiddleware(
     RequestDelegate next,
     IOptions <WavelengthAuthenticationOptions> options,
     ILoggerFactory loggerFactory,
     UrlEncoder encoder,
     FacebookApi facebookApi)
     : base(next, options, loggerFactory, encoder)
 {
     _facebookApi = facebookApi;
 }
 public WavelengthAuthenticationaHandler(FacebookApi facebookApi)
 {
     _facebookApi = facebookApi;
 }