import type { PreserveManifest } from './config.ts';
/** Preserve proven source defects, never suppress newly introduced broken links/assets. */
export declare function originalMissingAnchors(original: string, sourceUrl: string, references: Map<string, string>): Set<string>;
export declare function originalNullImages(manifest: PreserveManifest, originals: string[], copies: string[]): Set<string>;