import { type IconSetCollections } from '../libs/iconSetUtils';
type UseIconCollectionsReturn = {
    collections: IconSetCollections | null;
    isLoading: boolean;
    error: string | null;
};
/**
 * Hook to fetch and cache Iconify icon set collections.
 * Fetches all collections once, caches for 30 minutes, then filters
 * client-side by allowedPrefixes if provided.
 */
export declare function useIconCollections(allowedPrefixes?: string[]): UseIconCollectionsReturn;
export {};