if (titleStyle) {
                if (titleStyle.getFont()) text.attr("font-family", titleStyle.getFont);
                if (titleStyle.getFontSize() != null) text.attr("font-size", titleStyle.getFontSize() + "pt");
                if (titleStyle.getUnderline() != null) text.style("text-decoration", "underline");
                if (titleStyle.getColor()) text.style("fill", titleStyle.getColor);