import type { Breadcrumb } from '../types/Breadcrumb.js';
import type { Locale } from '../types/Locale.js';
/**
 * The slug of the root page.
 * An empty string was chosen as the root page slug for two reasons:
 * 1. It allows the slug field to remain required, which wouldn't be possible if null/undefined were used
 * 2. It provides a consistent way to identify the root page in the URL structure
 *
 * This convention is used throughout the codebase when handling root page paths and breadcrumbs.
 */
export declare const ROOT_PAGE_SLUG = "";
/** Sets the slug field and virtual fields (breadcrumbs, path, alternatePaths) of the given root page document. */
export declare function setRootPageDocumentVirtualFields({ breadcrumbLabelField, doc, locale, locales, }: {
    breadcrumbLabelField: string;
    doc: Record<string, any>;
    locale: Locale | undefined;
    locales: Locale[] | undefined;
}): {
    breadcrumbs: Record<string, Breadcrumb[]>;
    meta: any;
    path: Record<string, string>;
} | {
    breadcrumbs: {
        slug: string;
        label: any;
        path: string;
    }[];
    meta: any;
    path: string;
} | {
    breadcrumbs: {
        slug: string;
        label: any;
        path: string;
    }[];
    path: string;
};