docs: public void addMultipleCounterDataPoints(String tenantId, List<MetricLongBean> data) {
          try {
              URL endpoint = serverUrl.toURI().resolve("counters/raw").toURL(); //$NON-NLS-1$
              Request request = new Request.Builder()
                      .url(endpoint)
                      .post(toBody(data))
                      .header("Hawkular-Tenant", tenantId) //$NON-NLS-1$
                      .build();
              Response response = httpClient.newCall(request).execute();
              if (response.code() >= 400) {
                  throw hawkularMetricsError(response);
              }
          } catch (URISyntaxException | IOException e) {
              throw new RuntimeException(e);
          }
      }