message: add export SurveyTriggerCopyValue and SurveyTriggerRunExpression,
  Indeed, we have fixed them.
  Thank you,
  Andrew
diff: @@ -105,6 +105,8 @@ export {
  SurveyTriggerComplete,
  SurveyTriggerSetValue,
  SurveyTriggerVisible,
  + SurveyTriggerCopyValue,
  + SurveyTriggerRunExpression,
  Trigger
  } from "../../trigger";
  export { SurveyWindowModel } from "../../surveyWindow";
  