public List<MetricsPacket> getHealthMetrics(List<VespaService> services) {
        if (services.isEmpty()) return List.of();
        vespaServices.updateServices(services);

        // TODO: Add global dimensions to health metrics?
        return vespaMetrics.getHealthMetrics(services);
    }
Returns the health metrics for the given services. The empty list is returned if no services are given.

@param services The services to retrieve health metrics for.
@return Health metrics for all matching services.
metrics-proxy/src/main/java/ai/vespa/metricsproxy/core/MetricsManager.java