I have been using gwt seggest box in my project. I need to set id(int) and value(string) into suggest box.

MultiWordSuggestOracle oracle = new MultiWordSuggestOracle();
oracle .add("abc");
oracle .add("xyz");
final SuggestBox suggestBox = new SuggestBox(oracle);

How to set id field in gwt suggest box. Please any one help me.