// https://url.spec.whatwg.org/#urlsearchparams
[Exposed=*]
interface URLSearchParams {

    constructor(optional (sequence<sequence<USVString>> or record<USVString, USVString> or USVString) init = "");

    readonly attribute unsigned long size;

    undefined append(USVString name, USVString value);
    undefined delete(USVString name, optional USVString value);
    USVString? get(USVString name);
    sequence<USVString> getAll(USVString name);
    boolean has(USVString name, optional USVString value);
    undefined set(USVString name, USVString value);

    undefined sort();

    iterable<USVString, USVString>;
    stringifier;

};