import type { IMenuItem } from '../../services/types.js';
import type { ContentItemModel } from '../../models/index.js';
export declare function isRootItem(item: ContentItemModel | IMenuItem): boolean;
export declare function getItemsByType(items: ContentItemModel[]): {
    groupItems: ContentItemModel[];
    tagItems: ContentItemModel[];
    operationItems: ContentItemModel[];
    rootItem: import("../../index.js").GroupModel | undefined;
};
export declare function getFirstPageLink(items: ContentItemModel[], defaultRootLink: string): string;
