add delegatedauthentication to validated server config (#11053)

src/utils/ValidatedServerConfig.ts

@@ -14,6 +14,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+import { IDelegatedAuthConfig } from "matrix-js-sdk/src/client";
+import { ValidatedIssuerConfig } from "matrix-js-sdk/src/oidc/validate";
+
 export interface ValidatedServerConfig {
     hsUrl: string;
     hsName: string;
@@ -26,4 +29,6 @@ export interface ValidatedServerConfig {
     isNameResolvable: boolean;
 
     warning: string | Error;
+
+    delegatedAuthentication?: IDelegatedAuthConfig & ValidatedIssuerConfig;
 }