code: public static Response get(String url, Credentials credentials, Header[] requestHeaders)
          throws URISyntaxException, HttpException {
          return send(new HttpGet(url), credentials, requestHeaders);
      }
docs: Performs an HTTP GET on the given URL.
  
  @param url            The URL to connect to.
  @param credentials    instance implementing {@link Credentials} interface holding a set of credentials
  @param requestHeaders Additional HTTP headers added to the request
  @return The HTTP response as Response object.
  @throws URISyntaxException
  @throws HttpException