xDS #

  const auto methods = {
      "envoy.api.v2.ClusterDiscoveryService.FetchClusters",
      "envoy.api.v2.ClusterDiscoveryService.StreamClusters",
      "envoy.api.v2.EndpointDiscoveryService.FetchEndpoints",
      "envoy.api.v2.EndpointDiscoveryService.StreamEndpoints",
      "envoy.api.v2.ListenerDiscoveryService.FetchListeners",
      "envoy.api.v2.ListenerDiscoveryService.StreamListeners",
      "envoy.api.v2.RouteDiscoveryService.FetchRoutes",
      "envoy.api.v2.RouteDiscoveryService.StreamRoutes",
      "envoy.service.discovery.v2.AggregatedDiscoveryService.StreamAggregatedResources",
      "envoy.service.discovery.v2.HealthDiscoveryService.FetchHealthCheck",
      "envoy.service.discovery.v2.HealthDiscoveryService.StreamHealthCheck",
      "envoy.service.discovery.v2.RuntimeDiscoveryService.FetchRuntime",
      "envoy.service.discovery.v2.RuntimeDiscoveryService.StreamRuntime",
      "envoy.service.accesslog.v2.AccessLogService.StreamAccessLogs",
      "envoy.service.metrics.v2.MetricsService.StreamMetrics",
      "envoy.service.ratelimit.v2.RateLimitService.ShouldRateLimit",
      "udpa.service.orca.v1.OpenRcaService.StreamCoreMetrics",
  };