public static String getShortcutId(Notification notification) {
        if (Build.VERSION.SDK_INT >= 26) {
            return notification.getShortcutId();
        } else {
            return null;
        }
    }
Returns the {@link ShortcutInfoCompat#getId()} () id} that this
notification supersedes, if any.
android/android_framework/base/src/main/java/github/tornaco/android/thanos/core/compat/NotificationCompat.java