* @param arg additional argument for the traversal.
* @return null.
*/
@Override
public Void visitModuleLinkSegment(final ModuleLinkSegment segment, final VisitationArg arg) {
final ModuleReference reference = segment.getReference();
final String moduleNameInSource = reference.getModuleNameInSource();
if (moduleNameInSource.length() == 0) {
buffer.append(reference.getName());
} else {
buffer.append(moduleNameInSource);
}
return super.visitModuleLinkSegment(segment, arg);