interface URL {
    constructor(USVString url, optional USVString base);

    stringifier attribute USVString href;
    readonly attribute USVString origin;
    attribute USVString protocol;
    attribute USVString username;
    attribute USVString password;
    attribute USVString host;
    attribute USVString hostname;
    attribute USVString port;
    attribute USVString pathname;
    attribute USVString search;
    [SameObject] readonly attribute URLSearchParams searchParams;
    attribute USVString hash;

    USVString toJSON();
};