new Client
                {
                    ClientName = "Native Client (Hybrid with PKCE)",
                    ClientId = "native.hybrid",
                    AllowedGrantTypes = GrantTypes.Hybrid,
                    RedirectUris = new List<string>
                    {
                        "https://notused"
                    },
                    PostLogoutRedirectUris = new List<string>
                    {
                        "https://notused"
                    },
                    AllowedScopes =
                    {
                        IdentityServerConstants.StandardScopes.OpenId,
                        IdentityServerConstants.StandardScopes.Profile,
                        IdentityServerConstants.StandardScopes.Address,
                        "roles",
                        "imagegalleryapi",
                        "country",
                        "subscriptionlevel"
                    },
                    ClientSecrets =
                    {
                        new Secret("secret".Sha256())
                    },
                    AllowOfflineAccess = true,
                    RequireClientSecret = false,
                    RequireConsent = false,
                    RequirePkce = true,
                    UpdateAccessTokenClaimsOnRefresh = true,
                    AccessTokenType = AccessTokenType.Reference,
                    RefreshTokenUsage = TokenUsage.ReUse
                }

var options = new OidcClientOptions
            {
                Authority = "https://localhost:6001",
                ClientId = "native.hybrid",
                ClientSecret = "secret",
                Scope = "openid profile email imagegalleryapi",
                RedirectUri = "xamarinformsclients://callback",
                Browser = browser,

                ResponseMode = OidcClientOptions.AuthorizeResponseMode.Redirect
            };

System.InvalidOperationException: 'Error loading discovery document: Error connecting to https://localhost:6001/.well-known/openid-configuration. Network subsystem is down.'