import type { MarketplaceCategoryOption } from './adapters/store/store-api-client.js';
/** Catch-all marketplace category (e.g. SkillHub curated index "其他") — shown last in filter chips. */
export declare function isMarketplaceCatchAllCategory(category: Pick<MarketplaceCategoryOption, 'id' | 'label'>): boolean;
/** Stable sort: `compare` first, then pin catch-all categories to the end. */
export declare function sortMarketplaceCategories<T extends MarketplaceCategoryOption>(items: T[], compare: (a: T, b: T) => number): T[];
