import org.eclipse.core.commands.operations.IOperationHistory;
import org.eclipse.core.commands.operations.IUndoContext;
import org.eclipse.core.commands.operations.IOperationHistory;
import org.eclipse.core.commands.operations.IUndoContext;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import eu.etaxonomy.taxeditor.model.AbstractUtility;
import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;
import eu.etaxonomy.taxeditor.model.AbstractUtility;
import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;