question: @ Override public Enumeration < Option > listOptions ( ) { Vector < Option > newVector = new Vector < Option > ( ) ; newVector . addElement ( new Option ( "\tSet base of the expansion constant\n" + "\t(default = 1.3)." , "B" , 1 , "-B <value>" ) ) ; newVector . addAll ( Collections . list ( super . listOptions ( ) ) ) ; return newVector . elements ( ) ; }
target:  Returns an enumeration describing the available options.