code: public static String addParams(
              final String url, final Multimap<String, String> params, final Set<String> overrideParams)
              throws URISyntaxException {
          return addParams(new URI(url), params, overrideParams).toString();
      }
docs: Add the given params to the query.
  
  @param url The query
  @param params The params to add
  @param overrideParams A set of parameter names that must be overridden and not added
  @return The new query
  @throws URISyntaxException