import { CreateUrlOptions, ToUrl, Url } from '../types/url';
import { Identity } from '../types/utilities';
export type CombineUrl<TParent extends Url, TChild extends Url> = TParent extends Url<infer TParentParams> ? TChild extends Url<infer TChildParams> ? Url<Identity<TParentParams & TChildParams>> : never : never;
export declare function combineUrl<const TParent extends Url, const TChild extends Url>(parent: TParent, child: TChild): CombineUrl<TParent, TChild>;
export declare function combineUrl<const TParent extends Url, const TChild extends CreateUrlOptions>(parent: TParent, child: TChild): CombineUrl<TParent, ToUrl<TChild>>;