code: public InlineResponse2002 peek(String subscriptionId) throws ApiException {
          ApiResponse<InlineResponse2002> resp = peekWithHttpInfo(subscriptionId);
          return resp.getData();
      }
docs: Get the values of statistics
  Get the values of a set of statistics that was opened with a subscription.
  @param subscriptionId The unique ID of the subscription. (required)
  @return InlineResponse2002
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body