class FillBoundaryLayer extends BoundaryLayer {

    @Override @NonNull
    public String[] getLayerIds() {
        List<String> both = new ArrayList<>();

        Collections.addAll(both, super.getLayerIds());
        Collections.addAll(both, BOUNDARY_FILL_LAYER_ID) ;

        return both.toArray(new String[both.size()]);
    }

    private  FillBoundaryLayer(@NonNull KujakuLayer.Builder builder);

}