declare class ReadonlyURLSearchParams extends URLSearchParams {
    /**
     * Creates a ReadonlyURLSearchParams instance from a full pathname.
     *
     * @param pathname The full pathname
     * @returns
     */
    static from(pathname: URL | string): ReadonlyURLSearchParams;
    /** @deprecated Method unavailable on `ReadonlyURLSearchParams`. */
    append(): void;
    /** @deprecated Method unavailable on `ReadonlyURLSearchParams`. */
    delete(): void;
    /** @deprecated Method unavailable on `ReadonlyURLSearchParams`. */
    set(): void;
    /** @deprecated Method unavailable on `ReadonlyURLSearchParams`. */
    sort(): void;
}

export { ReadonlyURLSearchParams as R };