export default abstract class CookieUtil {
    /**
     * Sets a cookie with the given key and data
     * @param key - The key of the cookie
     * @param data - The data to be stored in the cookie
     */
    static setCookie(key: string, data: any): void;
    /**
     * Retrieves the value of a cookie with the given key
     * @param key - The key of the cookie
     * @returns The value of the cookie, or undefined if it does not exist
     */
    static getCookie(key: string): string;
    /**
     * Removes the cookie with the given key
     * @param key - The key of the cookie to be removed
     */
    static removeCookie(key: string): void;
}