export declare class Properties {
    private static _instance;
    /**
         * The static getter that controls access to the singleton instance.
         *
         * This implementation allows you to extend the Singleton class while
         * keeping just one instance of each subclass around.
         */
    static get instance(): Properties;
    servletPath: string;
    logLevel: string;
    loginWindow: string;
    wsConnectTimeout: number;
    overlayStyle: string;
    subscribeCommandsFlow: any;
}