@Override public String toString(){
  String pattern=printerParser.toString();
  pattern=pattern.startsWith("[") ? pattern : pattern.substring(1,pattern.length() - 1);
  return pattern;
}

@ Override public String toString ( ) { String pattern = printerParser . toString ( ) ; pattern = pattern . startsWith ( "[" ) ? pattern : pattern . substring ( 1 , pattern . length ( ) - 1 ) ; return pattern ; }
returns a description of the underlying formatters .
