-import org.eclipse.linuxtools.tmf.event.TmfTimeRange;
-import org.eclipse.linuxtools.tmf.event.TmfTimestamp;
-import org.eclipse.linuxtools.tmf.signal.TmfRangeSynchSignal;
+import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange;
+import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp;
+import org.eclipse.linuxtools.tmf.core.signal.TmfRangeSynchSignal;