public StringBuffer format(final Date date, final StringBuffer buf) {
   return printer.format(date, buf);
 }
 public StringBuffer format(final Calendar calendar, final StringBuffer buf) {
   return printer.format(calendar, buf);
 }
 public StringBuffer format(final long millis, final StringBuffer buf) {
   return printer.format(millis, buf);
 }
 public String format(final Calendar calendar) {
   return printer.format(calendar);
 }
 public String format(final Date date) {
   return printer.format(date);
 }
 public String format(final long millis) {
   return printer.format(millis);
 }
 public StringBuffer format(
     final Object obj, final StringBuffer toAppendTo, final FieldPosition pos) {
   return printer.format(obj, toAppendTo, pos);
 }