declare module "ext:core/ops" {
  export type URLParts = [
    href: string,
    origin: string,
    protocol: string,
    username: string,
    password: string,
    host: string,
    hostname: string,
    port: string,
    pathname: string,
    search: string,
    hash: string,
  ];
  export type URLComponent =
    | "href"
    | "protocol"
    | "username"
    | "password"
    | "host"
    | "hostname"
    | "port"
    | "pathname"
    | "search"
    | "hash";
  export type SearchPair = [name: string, value: string];

  export function op_url_parse(args: [input: string, base: string | null]): URLParts | null;
  // Non-href setters retain the original URL when a component cannot be changed.
  export function op_url_set(args: [href: string, component: Exclude<URLComponent, "href">, value: string]): URLParts;
  export function op_url_set(args: [href: string, component: URLComponent, value: string]): URLParts | null;
  export function op_url_search_parse(query: string): SearchPair[];
  export function op_url_search_serialize(pairs: readonly SearchPair[]): string;
}