question: @ Override public Enumeration < Option > listOptions ( ) { Vector < Option > newVector = new Vector < Option > ( 1 ) ; newVector . addElement ( new Option ( "\tIf set, estimator is run in debug mode and\n" + "\tmay output additional info to the console" , "D" , 0 , "-D" ) ) ; return newVector . elements ( ) ; }
target:  Returns an enumeration describing the available options.