private List<Header> defaultHeaders(){
  DateFormat dateFormat=new SimpleDateFormat("EEE, dd mmm yyyy HH:mm:ss zzz");
  List<Header> headers=new ArrayList<>();
  headers.add(new BasicHeader("Date",dateFormat.format(new Date())));
  return headers;
}

private List < Header > defaultHeaders ( ) { DateFormat dateFormat = new SimpleDateFormat ( "EEE, dd mmm yyyy HH:mm:ss zzz" ) ; List < Header > headers = new ArrayList < > ( ) ; headers . add ( new BasicHeader ( "Date" , dateFormat . format ( new Date ( ) ) ) ) ; return headers ; }
create default headers for server response .
