public void setAttribute(final Object node, final String value) {
}
});
writeManager.addElementWriter("map", mapWriter);
writeManager.addAttributeWriter("map", mapWriter);
final UnknownElementWriter unknownElementWriter = new UnknownElementWriter();
writeManager.addExtensionAttributeWriter(UnknownElements.class, unknownElementWriter);
writeManager.addExtensionElementWriter(UnknownElements.class, unknownElementWriter);
mapChangeListeners = new LinkedList<IMapChangeListener>();
nodeChangeListeners = new LinkedList<INodeChangeListener>();
createActions();