question: get the ` unique only ' menu item . concode_field_sep Label totalMessagesValueLabel concode_elem_sep CheckBox showLatestBox concode_elem_sep Button showLastButton concode_elem_sep BasicMessageStore store concode_elem_sep TextField messageIndexValueField concode_elem_sep Menu formatterMenu concode_elem_sep Label messageLabel concode_elem_sep ToggleGroup selectionFormat concode_elem_sep CheckMenuItem uniqueOnlyMenu concode_elem_sep MenuButton formattingMenuButton concode_elem_sep int selectedMessage concode_elem_sep Button showFirstButton concode_elem_sep Logger logger concode_elem_sep Button moreRecentButton concode_elem_sep Menu customFormatterMenu concode_elem_sep HBox messageIndexBox concode_elem_sep EventManager eventManager concode_elem_sep ToggleGroup wholeMessageFormat concode_elem_sep Label filterStatusLabel concode_elem_sep Button lessRecentButton concode_elem_sep MenuButton filterButton concode_field_sep void onNavigateToFirst concode_elem_sep void updateFilterStatus concode_elem_sep int getSelectedMessageIndex concode_elem_sep void copyMessageToClipboard concode_elem_sep void showLessRecent concode_elem_sep void updateIndex concode_elem_sep void updateIndex concode_elem_sep void setEventManager concode_elem_sep void onMessageAdded concode_elem_sep boolean showLatest concode_elem_sep void showMoreRecent concode_elem_sep void showFirst concode_elem_sep void updateMessageIndexFromScroll concode_elem_sep void init concode_elem_sep String getBrowsingTopicsInfo concode_elem_sep void copyMessageToFile concode_elem_sep void showLastMessage concode_elem_sep void copyMessagesToFile concode_elem_sep void clear concode_elem_sep void setStore concode_elem_sep MenuButton getFilterButton concode_elem_sep void showFirstMessage concode_elem_sep void onMessageIndexChange concode_elem_sep void onMessageRemoved concode_elem_sep void changeSelectedMessageIndex concode_elem_sep void onMessageIndexIncrement concode_elem_sep void showLast concode_elem_sep void initialize concode_elem_sep Window getParentWindow concode_elem_sep void hideShowLatest concode_elem_sep void copyMessagesToClipboard
target: CheckMenuItem function ( ) { return uniqueOnlyMenu ; }