interface StorageManagerAddOptions {
    isSessionValue?: boolean;
    expiry?: number;
}
declare const StorageManager: {
    add(key: string, value: any, options?: boolean | StorageManagerAddOptions): void;
    get(key: string, isSessionValue?: boolean): any;
    remove(key: string, isSessionValue?: boolean): void;
    clear(session?: boolean): void;
};
export default StorageManager;