@Override public Enumeration<Option> listOptions(){
  Vector<Option> newVector=new Vector<Option>(2);
  newVector.addElement(new Option("\tSpecifies list of instances to select. First and last\n" + "\tare valid indexes. (required)\n","R",1,"-R <inst1,inst2-inst4,...>"));
  newVector.addElement(new Option("\tSpecifies if inverse of selection is to be output.\n","V",0,"-V"));
  return newVector.elements();
}

@ Override public Enumeration < Option > listOptions ( ) { Vector < Option > newVector = new Vector < Option > ( 2 ) ; newVector . addElement ( new Option ( "\tSpecifies list of instances to select. First and last\n" + "\tare valid indexes. (required)\n" , "R" , 1 , "-R <inst1,inst2-inst4,...>" ) ) ; newVector . addElement ( new Option ( "\tSpecifies if inverse of selection is to be output.\n" , "V" , 0 , "-V" ) ) ; return newVector . elements ( ) ; }
returns an enumeration describing the available options .
