class WorkConstraintsTracker implements ConstraintController.OnConstraintUpdatedCallback {

    @Override
    public void onConstraintNotMet(@NonNull List<String> workSpecIds) {
        if (mCallback != null) {
            mCallback.onAllConstraintsNotMet(workSpecIds);
        }
    }

    public  WorkConstraintsTracker(Context context, @Nullable WorkConstraintsCallback callback);
    @VisibleForTesting  WorkConstraintsTracker(
            @Nullable WorkConstraintsCallback callback,
            ConstraintController[] controllers);

}