ActivityInterface startActivity = link.getValue().getSource();
ActivityInterface endActivity = link.getValue().getTarget();
String linkName = link.getKey();
//Element pathGroup = doc.createElementNS("http://www.w3.org/2000/svg", "g");
//group.setAttributeNS("xlink", "title", linkName);
group.appendChild(drawLink(doc, startActivity.getExitArrowCoords().getXLeft(),
startActivity.getExitArrowCoords().getYTop(), endActivity.getEntryArrowCoords().getXLeft(),
endActivity.getEntryArrowCoords().getYTop(), startActivity.getStartIconWidth(),
link.getKey(), linkName));
//group.appendChild(pathGroup);
}