@Override
      public void actionPerformed(final ActionEvent e) {
        UsageViewContentManager.getInstance(myProject).closeContent(myContent);
        final TypeMigrationDialog.MultipleElements dialog =
          new TypeMigrationDialog.MultipleElements(myProject, myInitialRoots, myLabeler.getMigrationRootTypeFunction(), myLabeler.getRules());
        dialog.show();
      }
@Override
      public void actionPerformed(final ActionEvent e)