// a error that must be reported
if (node instanceof ParagraphPoolBox == false)
{
throw new IllegalStateException("Encountered " + node.getClass());
}
final ParagraphPoolBox inlineRenderBox = (ParagraphPoolBox) node;
startLine(inlineRenderBox);
processBoxChilds(inlineRenderBox);
finishLine(inlineRenderBox);
node = node.getVisibleNext();