/**
    Handling service program cookies
*/
type OnboardingCookie = {
    serialNumbers: Array<string>;
    expires: string;
};
export declare function setOnboardingCookie(serialNumber: string): void;
export declare function getOnboardingCookie(): OnboardingCookie | undefined;
export declare function isOnboardingCookieExpired(): boolean;
export declare function appendSerialNumberToOnboardingCookie(serialNumber: string): void;
export declare function deleteOnboardingCookie(): void;
export declare class LocalStorageManager {
    static setItem(name: string, value: object, expirationDays: number): void;
    static getItem(name: string): any;
    static removeItem(name: string): void;
    static isDataExpired(dataExpiration: string): boolean;
}
export {};