export declare type Chapter = {
    from?: string;
    to?: string;
    raw?: string;
    href?: string;
    current?: string;
    label?: string;
    isFolder?: boolean;
    active?: boolean;
};
export declare function getFormatChapter(chapter: Record<string, string>, current?: string): Chapter;
export declare function formatChapters(arr?: Array<Record<string, string>>, current?: string): Chapter[];