@Override
  public boolean validate() throws ConfigurationException {
    getContext().setList(fileChooser.getMarkedElements());
    if (fileChooser.getMarkedElements().size() == 0) {
      throw new ConfigurationException(JavaUiBundle.message("select.imported.projects.dialog.message.nothing.found"),
                                       JavaUiBundle.message("select.imported.projects.dialog.title.unable.to.proceed"));
    }
    return true;
  }
@Override
  public boolean validate()