import org.argeo.eclipse.ui.ColumnDefinition;
import org.argeo.eclipse.ui.EclipseUiUtils;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.argeo.eclipse.ui.ColumnDefinition;
import org.argeo.eclipse.ui.EclipseUiUtils;
import org.eclipse.jface.viewers.ISelectionChangedListener;