export declare namespace URLUtils {
    const isLocalhost: boolean;
    const searchParams: URLSearchParams;
    /**
     *
     * @param shouldExist
     */
    function validateSearchParams(shouldExist: string[]): void;
    /**
     * url?test=1
     * getUrlParameters().test
     * @param href override search
     */
    /**
     * removes all parameters from the window.location.url
     * url?test=1 -> url
     * @param add
     */
    function changeLocationURL(newUrl: string): void;
    /**
     * maybe there is something better? URL class?
     * @param values
     */
    function joinUrl(...values: string[]): string;
    function toAbsUrl(url: string): string;
    /**
     * todo should check for hash tag
     * @param url like www.google.nl
     * @param param "test=1"
     */
    function addParameterStr(url: string, param: string): string;
    /**
     * @deprecated use addParameterStr instead
     * todo should check for hash tag
     * @param url like www.google.nl
     * @param param
     */
    function addParameterToURL(url: string, param: string): string;
    /**
     * addParameters('google.nl?v=2', {test:2}) -> google.nl?v=2&test=2
     * todo should check for hash tag
     * @param url like www.google.nl
     * @param parameters {test:1}
     */
    function addParameters(url: string, parameters: {
        [key: string]: string;
    }): string;
    /**
     *  'http://localhost/\example//author/admin///' -> 'http://localhost/example/author/admin/'
     * @param url
     */
    function clean(url: string): string;
    function resolve(...parts: readonly string[]): string;
}