Authenticate
constructor(authenticationRequestExtraParams: Map<String, String>? = null, authorizationEndpoint: String? = null, clientId: String? = null, clientSecret: String? = null, issuer: String? = null, onUnauthenticatedRequest: String? = null, scope: String? = null, sessionCookieName: String? = null, sessionTimeout: String? = null, tokenEndpoint: String? = null, useExistingClientSecret: Boolean? = null, userInfoEndpoint: String? = null)