@Override
  protected boolean validateData() {
    int ret = Messages.YES;
    if (isMakeClassParameter()) {
      final PsiMethod methodWithParameter = checkParameterDoesNotExist();
      if (methodWithParameter != null) {
        String who = methodWithParameter == myMember ? JavaRefactoringBundle.message("this.method") : DescriptiveNameUtil
          .getDescriptiveName(methodWithParameter);
        String message = JavaRefactoringBundle.message("0.already.has.parameter.named.1.use.this.name.anyway", who, getClassParameterName());
        ret = Messages.showYesNoDialog(myProject, message, RefactoringBundle.message("warning.title"), Messages.getWarningIcon());
        myClassParameterNameInputField.requestFocusInWindow();
      }
    }
    return ret == Messages.YES;
  }
@Override
  protected boolean validateData()