/** Creates the constants, reusing some intermediate constructs for efficienty. */
 static {
   final Map<String, Object> properties = name(VocabularyKeys.TEMPORAL);
   CoordinateSystemAxis axis = DefaultCoordinateSystemAxis.TIME;
   DAYS = new DefaultTimeCS(properties, axis);
   final InternationalString name = axis.getAlias().iterator().next().toInternationalString();
   axis = new DefaultCoordinateSystemAxis(name, "t", AxisDirection.FUTURE, SI.SECOND);
   SECONDS = new DefaultTimeCS(properties, axis);
   axis = new DefaultCoordinateSystemAxis(name, "t", AxisDirection.FUTURE, SI.MILLI(SI.SECOND));
   MILLISECONDS = new DefaultTimeCS(properties, axis);
 }