}
IEclipsePreferences node = projectScope.getNode(nodeQualifier);
if (node != null) {
IEclipsePreferences.INodeChangeListener nodeListener = new InnerNodeChangeListener(
project);
((IEclipsePreferences) node.parent())
.addNodeChangeListener(nodeListener);
projectToNodeListener.put(project, nodeListener);
if (!preferenceChangeListeners.containsValue(node)) {
IPreferenceChangeListener changeListener = new NodePreferenceChangeListener(
project);