class RectRegion {

    public void union(Number x, Number y) {
        xRegion.union(x);
        yRegion.union(y);
    }

    public  RectRegion();
    public  RectRegion(XYCoords min, XYCoords max);
    public  RectRegion(Number minX, Number maxX, Number minY, Number maxY, String label);
    public  RectRegion(RectF rect);
    @SuppressWarnings("SameParameterValue") public  RectRegion(Number minX, Number maxX, Number minY, Number maxY);

}