@Deprecated
        public WearableExtender setHintShowBackgroundOnly(boolean hintShowBackgroundOnly) {
            setFlag(FLAG_HINT_SHOW_BACKGROUND_ONLY, hintShowBackgroundOnly);
            return this;
        }
Set a visual hint that only the background image of this notification should be
displayed, and other semantic content should be hidden. This hint is only applicable
to sub-pages added using {@link #addPage}.
android/android_framework/base/src/main/java/github/tornaco/android/thanos/core/compat/NotificationCompat.java