import type { DecoratedNavigationPage } from '@mintlify/models';
/**
 * When user MDX doesn't explicitly set title/description, preserve the
 * auto-generated values (e.g. from OpenAPI schemas) that already exist
 * in pagesAcc. Mutates pageMetadata and pagesAcc in place.
 */
export declare const preserveAutoGeneratedMetadata: (contentStr: string, slug: string, pageMetadata: DecoratedNavigationPage, pagesAcc: Record<string, DecoratedNavigationPage>) => void;