src/main/java/org/jfree/graphics2d/svg/SVGGraphics2D.java
@Override
    public void fillRoundRect(int x, int y, int width, int height, 
            int arcWidth, int arcHeight) {
        setRoundRect(x, y, width, height, arcWidth, arcHeight);
        fill(this.roundRect);
    }
@Override
    public void fillRoundRect(int x, int y, int width, int height, 
            int arcWidth, int arcHeight) {
        setRoundRect(x, y, width, height, arcWidth, arcHeight);
        fill(this.roundRect);
    }
Fills a rectangle with rounded corners using the current {@code paint}.

@param x  the x-coordinate.
@param y  the y-coordinate.
@param width  the width.
@param height  the height.
@param arcWidth  the arc-width.
@param arcHeight  the arc-height.

@see #drawRoundRect(int, int, int, int, int, int)