class ReferencedEnvelope extends Envelope implements org.opengis.geometry.Envelope,
    BoundingBox {

    public void include(final BoundingBox bbox) {
        if( crs == null ){
            this.crs = bbox.getCoordinateReferenceSystem();
        }
        else {
            ensureCompatibleReferenceSystem(bbox);
        }
        super.expandToInclude(getJTSEnvelope(bbox));        
    }

    public  ReferencedEnvelope();
    public  ReferencedEnvelope(CoordinateReferenceSystem crs);
    public  ReferencedEnvelope(final double x1, final double x2, final double y1, final double y2,
        final CoordinateReferenceSystem crs);
    public  ReferencedEnvelope(final Rectangle2D rectangle, final CoordinateReferenceSystem crs);
    public  ReferencedEnvelope(final ReferencedEnvelope envelope);
    public  ReferencedEnvelope(final BoundingBox bbox);
    public  ReferencedEnvelope(final org.opengis.geometry.Envelope envelope);
    public  ReferencedEnvelope(final Envelope envelope, final CoordinateReferenceSystem crs);

}