question: @ Override public Enumeration < Option > listOptions ( ) { Vector < Option > result = new Vector < Option > ( ) ; result . addElement ( new Option ( "\tWhen determining whether an edge exists a search is performed \n" + "\tfor a set Z that separates the nodes. MaxCardinality determines \n" + "\tthe maximum size of the set Z. This greatly influences the \n" + "\tlength of the search. (default 2)" , "cardinality" , 1 , "-cardinality <num>" ) ) ; result . addAll ( Collections . list ( super . listOptions ( ) ) ) ; return result . elements ( ) ; }
target:  Returns an enumeration describing the available options.