protected IActionResult Success <TResult>(TResult result) => Ok(EnvelopeResponse.Success(result));
protected IActionResult Created <TResult>(TResult value) => new ObjectResult(EnvelopeResponse.Success(value)) { StatusCode = (int)HttpStatusCode.Created };
protected IActionResult Success() => Ok(EnvelopeResponse.Success());
protected IActionResult Created() => new ObjectResult(EnvelopeResponse.Success()) { StatusCode = (int)HttpStatusCode.Created };