private void createUIComponents() {
    myParametersPanel = new SimpleParameterTablePanel(myValidator::isValidName) {
      @Override
      protected void doCancelAction() {
        AbstractExtractMethodDialog.this.doCancelAction();
      }

      @Override
      protected void doEnterAction() {
        doOKAction();
      }

      @Override
      protected void updateSignature() {
        updateOutputVariables();
        AbstractExtractMethodDialog.this.updateSignature();
      }
    };
    mySignaturePreviewTextArea = new MethodSignatureComponent("", myProject, myFileType);
  }
private void createUIComponents()