import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.InvalidRegistryObjectException;
+import org.eclipse.linuxtools.internal.tmf.ui.project.handlers.Messages;
import org.eclipse.linuxtools.tmf.core.event.TmfEvent;
import org.eclipse.linuxtools.tmf.core.experiment.TmfExperiment;
import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentSelectedSignal;
import org.eclipse.linuxtools.tmf.core.signal.TmfSignalManager;
import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
import org.eclipse.linuxtools.tmf.core.trace.TmfTrace;
-import org.eclipse.linuxtools.tmf.ui.project.handlers.Messages;
import org.eclipse.linuxtools.tmf.ui.project.model.ITmfProjectModelElement;
import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
import org.eclipse.linuxtools.tmf.ui.project.model.TmfNavigatorContentProvider;