protected static CharSequence limitCharSequenceLength(CharSequence cs) {
            if (cs == null) return cs;
            if (cs.length() > MAX_CHARSEQUENCE_LENGTH) {
                cs = cs.subSequence(0, MAX_CHARSEQUENCE_LENGTH);
            }
            return cs;
        }
Combine all of the options that have been set and return a new {@link Notification}
object.
android/android_framework/base/src/main/java/github/tornaco/android/thanos/core/compat/NotificationCompat.java