import java.util.Iterator;
import java.util.List;
-import org.eclipse.linuxtools.tmf.event.TmfTimestamp;
+import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;
import org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IColor;
import org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IGC;
import org.eclipse.linuxtools.tmf.ui.views.uml2sd.preferences.SDViewPref;