question: public Enumeration < Option > listOptions ( ) { Vector < Option > newVector = new Vector < Option > ( 1 ) ; newVector . addElement ( new Option ( "\tSpecify shrinkage rate. " + "(default = 1.0, ie. no shrinkage)\n" , "S" , 1 , "-S" ) ) ; newVector . addAll ( Collections . list ( super . listOptions ( ) ) ) ; return newVector . elements ( ) ; }
target:  Returns an enumeration describing the available options.