/**
 * getElementStorage
 * @param key
 * @returns
 */
export declare const getElementStorage: (key: string) => any;
/**
 * isExistElementStorage
 * @param key
 * @returns
 */
export declare const isExistElementStorage: (key: string) => boolean;
/**
 * setElementStorage
 * @param key
 * @param value
 */
export declare const setElementStorage: (key: string, value: unknown) => void;