}
private void addWire(ServiceArtifact s1, ServiceArtifact s2) {
DashedWire edge = new DashedWire();
Element wire = edge.addElement(doc, svgNS, s1, s2, getChangingFactor(), getColor());
svgRoot.appendChild(wire);
}
private void addWire(ReferenceArtifact r1, ReferenceArtifact r2) {