import Downloader from '../Downloader.js';
export declare function getCategoriesForArticles(articleStore: RKVS<ArticleDetail>, downloader: Downloader, deleteArticleStore?: boolean): Promise<void>;
export declare function trimUnmirroredPages(downloader: Downloader): Promise<number>;
export declare function simplifyGraph(downloader: Downloader): Promise<{
    deletedNodes: number;
}>;