/**
 * In mobile Safari, the user may turn on "Block All Cookies".
 * In such situation, accessing to localStorage will throw error.
 */
type ListItemType = string | number | boolean;
declare function get<T extends ListItemType>(key: string, validator?: T[]): T[];
interface Option {
    maxSize: number;
    actionOnDuplicate: "keep" | "reorder";
    actionOnInsert: "start" | "end";
}
declare function put<T extends ListItemType>(key: string, value: T, option?: Partial<Option>): void;
export declare const RecentUsedStorageUtil: Readonly<{
    get: typeof get;
    put: typeof put;
}>;
export {};