     /**
     Applies the baseURL to the configuration.
     */
-    open let baseURL: String
+    public let baseURL: String
 
     /**
     Applies the "callback URL" once request token issued.
     */
-    open let redirectURL: String
+    public let redirectURL: String
 
     /**
     Applies the "authorization endpoint" to the request token.

    /**
    Applies the "client id" obtained with the client registration process.
    */
    open let clientId: String

    /**
    Applies the "client secret" obtained with the client registration process.
    */
    open let clientSecret: String?

    /**
    Applies the "audience" obtained with the client registration process.

    /**
    Endpoint for request to invalidate both accessToken and refreshToken.
    */
    public let revokeTokenEndpoint: String?

    /**
    Endpoint for request a refreshToken.
    */
    public let refreshTokenEndpoint: String?

    /**
    Endpoint for OpenID Connect to get user information.
    */
    public let userInfoEndpoint: String?

    /**
    Boolean to indicate whether OpenID Connect on authorization code grant flow is used.
