import java.util.HashSet;
import java.util.Iterator;
-import net.sourceforge.phpdt.core.*;
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IJavaElementDelta;
+import net.sourceforge.phpdt.core.IJavaProject;
+import net.sourceforge.phpdt.core.IPackageFragmentRoot;
+import net.sourceforge.phpdt.core.JavaModelException;
/**
* This class is used by <code>JavaModelManager</code> to update the JavaModel