import type { Facet, SearchSort } from '../types';
export declare const isSearchSort: (x: string) => x is SearchSort;
export declare const removeFacet: (facets: Facet[], facet: Facet) => Facet[];
export declare const setFacet: (facets: Facet[], facet: Facet, unique?: boolean) => Facet[];
export declare const toggleFacet: (facets: Facet[], item: Facet) => Facet[];
export declare const toggleFacets: (facets: Facet[], items: Facet[]) => Facet[];