@Override
              public void documentChanged(@NotNull DocumentEvent e) {
                if (myPreview == null) return;
                final TemplateState templateState = TemplateManagerImpl.getTemplateState(myEditor);
                if (templateState != null) {
                  final TextResult value = templateState.getVariableValue(InplaceRefactoring.PRIMARY_VARIABLE_NAME);
                  if (value != null) {
                    updateTitle(getVariable(), value.getText());
                  }
                }
              }
@Override
              public void documentChanged(@NotNull DocumentEvent e)