@Deprecated public void append(final String name,final String value){
  List<String> l=map.get(name);
  if (l != null) {
    l.add(value);
  }
 else {
    l=Lists.newArrayList(value);
    map.put(name,l);
  }
}

@ Deprecated public void append ( final String name , final String value ) { List < String > l = map . get ( name ) ; if ( l != null ) { l . add ( value ) ; } else { l = Lists . newArrayList ( value ) ; map . put ( name , l ) ; } }
add a new value for name
