export declare class LogoutManager {
    private static instance;
    private store;
    private warningLogoutTimeoutRef;
    private actualLogoutTimeoutRef;
    private plannedLogoutTimeoutRef;
    private plannedLogoutKey;
    static getInstance(): LogoutManager;
    private constructor();
    init: () => Promise<void>;
    stop: () => void;
    private readonly shouldStart;
    private addPlannedLogout;
    private readonly addLogoutWarning;
}