class VerticalPositionMark implements DrawInterface, Element {

    /**
     * Another implementation of the DrawInterface; its draw method will overrule LineSeparator.draw().
     */
    protected DrawInterface drawInterface = null;

    /**
     * The offset for the line.
     */
    protected float offset = 0;

    /**
     * Creates a vertical position mark that won't draw anything unless you define a DrawInterface.
     */
    public VerticalPositionMark() {
    }

    /**
     * Creates a vertical position mark that won't draw anything unless you define a DrawInterface.
     *
     * @param drawInterface the drawInterface for this vertical position mark.
     * @param offset        the offset for this vertical position mark.
     */
    public VerticalPositionMark(DrawInterface drawInterface, float offset) {
        this.drawInterface = drawInterface;
        this.offset = offset;
    }

    /**
     * @see com.lowagie.text.pdf.draw.DrawInterface#draw(com.lowagie.text.pdf.PdfContentByte, float, float, float,
     * float, float)
     */
    public void draw(PdfContentByte canvas, float llx, float lly, float urx, float ury, float y) {
        if (drawInterface != null) {
            drawInterface.draw(canvas, llx, lly, urx, ury, y + offset);
        }
    }

    /**
     * @see com.lowagie.text.Element#process(com.lowagie.text.ElementListener)
     */
    public boolean process(ElementListener listener) {
        try {
            return listener.add(this);
        } catch (DocumentException e) {
            return false;
        }
    }

    /**
     * @see com.lowagie.text.Element#type()
     */
    public int type() {
        return Element.YMARK;
    }

    /**
     * @see com.lowagie.text.Element#isContent()
     */
    public boolean isContent() {
        return true;
    }

    /**
     * @see com.lowagie.text.Element#isNestable()
     */
    public boolean isNestable() {
        return false;
    }

    /**
     * @see com.lowagie.text.Element#getChunks()
     */
    public ArrayList<Element> getChunks() {<FILL_FUNCTION_BODY>}

    /**
     * Getter for the interface with the overruling draw() method.
     *
     * @return a DrawInterface implementation
     */
    public DrawInterface getDrawInterface() {
        return drawInterface;
    }

    /**
     * Setter for the interface with the overruling draw() method.
     *
     * @param drawInterface a DrawInterface implementation
     */
    public void setDrawInterface(DrawInterface drawInterface) {
        this.drawInterface = drawInterface;
    }

    /**
     * Getter for the offset relative to the baseline of the current line.
     *
     * @return an offset
     */
    public float getOffset() {
        return offset;
    }

    /**
     * Setter for the offset. The offset is relative to the current Y position. If you want to underline something, you
     * have to choose a negative offset.
     *
     * @param offset an offset
     */
    public void setOffset(float offset) {
        this.offset = offset;
    }
}

        ArrayList<Element> list = new ArrayList<>();
        list.add(new Chunk(this, true));
        return list;
    
<no_super_class>