"static_endpoint_configs": [
                {
                    "endpoint_config": {
                        "@type": "type.googleapis.com/envoy.config.endpoint.v3.ClusterLoadAssignment",
                        "cluster_name": "zipkin",
                        "policy": {
                            "overprovisioning_factor": 140
                        }
                    }
                },

	if c.configDump == nil {
		return nil, fmt.Errorf("config writer has not been primed")
	}
	dump, err := c.configDump.GetEndpointsConfigDump()
	if err != nil {
		return nil, err
	}
	if dump == nil {
		return nil, nil
	}
	endpoints := make([]*endpoint.ClusterLoadAssignment, 0, len(dump.DynamicEndpointConfigs))

      "@type": "type.googleapis.com/envoy.admin.v3.EndpointsConfigDump",
      "static_endpoint_configs": [
        {
          "endpoint_config": {
            "@type": "type.googleapis.com/envoy.config.endpoint.v3.ClusterLoadAssignment",
            "cluster_name": "prometheus_stats",
            "endpoints": [
              {
                "locality": {},
                "lb_endpoints": [
                  {