import { Document, Element } from "parse5";
import { ParserOptions, IdRefs, Rels, RelUrls } from "../types";
interface DocumentSetupResult {
    idRefs: IdRefs;
    rels: Rels;
    relUrls: RelUrls;
    baseUrl: string;
    lang?: string;
}
export declare const findBase: (node: Element | Document) => string | undefined;
export declare const documentSetup: (node: Document, options: ParserOptions) => DocumentSetupResult;
export {};