import { Manifest } from '@prose-reader/shared';
import { ChapterInfo, FlatTocEntry, TocCandidatesBySpineHref, TocPathEntry } from './types';
type Toc = NonNullable<Manifest["nav"]>["toc"];
export declare const stripAnchor: (value: string) => string;
export declare const safeDecode: (value: string) => string;
export declare const buildTocIndex: (toc: Toc, manifest: Manifest) => FlatTocEntry[];
export declare const buildTocCandidatesBySpineHref: ({ manifest, tocIndex, }: {
    manifest: Manifest;
    tocIndex: FlatTocEntry[];
}) => TocCandidatesBySpineHref;
export declare const isPossibleTocItemCandidateForHref: (hrefWithoutAnchor: string, tocItemHrefWithoutAnchor: string) => boolean;
export declare const buildChapterInfoFromChain: (chain: TocPathEntry[]) => ChapterInfo | undefined;
export {};