export type MappedSearchParams = Record<string, string>;
export type SetURLSearchParams = (params: MappedSearchParams) => void;
/**
 * Take a url string and convert it to a search params map.  If a key occurs multiple
 * times, the key's last values wins.
 *
 * @param {string} search params url string
 * @returns {{}} a key:value map of the search params
 */
export declare const toMap: (search: string) => MappedSearchParams;
/**
 * A hook to get and set the URL search params.
 *
 * @returns the URL search params as a key:value map, and a URL
 *          search params setter method
 */
export declare const useSearchParams: () => [MappedSearchParams, SetURLSearchParams];