import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
-import org.eclipse.jface.util.Assert;
+//incastrix
+//import org.eclipse.jface.text.Assert;
+import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.swt.widgets.Control;