code: protected Map<QueryParameter, String> getParameters(final UriInfo uri, final JaxRx jaxrx) {
  
          final MultivaluedMap<String, String> params = uri.getQueryParameters();
          final Map<QueryParameter, String> newParam = createMap();
          final Set<QueryParameter> impl = jaxrx.getParameters();
  
          for (final String key : params.keySet()) {
              for (final String s : params.get(key)) {
                  addParameter(key, s, newParam, impl);
              }
          }
          return newParam;
      }
docs: Extracts and returns query parameters from the specified map. If a
  parameter is specified multiple times, its values will be separated with
  tab characters.
  
  @param uri
  uri info with query parameters
  @param jaxrx
  JAX-RX implementation
  @return The parameters as {@link Map}.