LoadingPopup.showMessage(Constants.INSTANCE.InitialisingInfoFor0PleaseWait(packageName));
//removes any existing filter
this.filters.remove(packageName);
SuggestionCompletionEngineServiceAsync suggestionCompletionEngineService = GWT.create(SuggestionCompletionEngineService.class);
suggestionCompletionEngineService.loadSuggestionCompletionEngine( packageName, new GenericCallback<SuggestionCompletionEngine>() {
public void onSuccess(SuggestionCompletionEngine engine) {
cache.put( packageName, engine );
done.execute();
}