class PopupMenu {

    @NonNull
    public Menu getMenu() {
        return mMenu;
    }

    public  PopupMenu(@NonNull Context context, @NonNull View anchor);
    public  PopupMenu(@NonNull Context context, @NonNull View anchor, int gravity);
    public  PopupMenu(@NonNull Context context, @NonNull View anchor, int gravity,
            @AttrRes int popupStyleAttr, @StyleRes int popupStyleRes);

}