}
xmlWriter.writeAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
xmlWriter.writeAttribute("xsi:schemaLocation", GEXF_NAMESPACE_LOCATION);
if (exportDynamic) {
DynamicController dynamicController = Lookup.getDefault().lookup(DynamicController.class);
dynamicModel = dynamicController != null ? dynamicController.getModel(workspace) : null;
visibleInterval = dynamicModel == null ? null : exportVisible ? dynamicModel.getVisibleInterval() : new TimeInterval(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY);
}
writeMeta(xmlWriter);
writeGraph(xmlWriter, graph);