if !ok {
		return nil, false
	}
	shards, ok := byNs[namespace]
	return shards, ok
}

// GetOrCreateEndpointShard returns the shards. The second return parameter will be true if this service was seen
// for the first time.
func (e *EndpointIndex) GetOrCreateEndpointShard(serviceName, namespace string) (*EndpointShards, bool) {
	e.mu.Lock()
	defer e.mu.Unlock()

			shards.Shards[sk][i] = ep
		}
	}
	// convert to EndpointIndex
	index := model.NewEndpointIndex(model.NewXdsCache())
	for shardKey, testEps := range shards.Shards {
		svc, _ := index.GetOrCreateEndpointShard("example.ns.svc.cluster.local", "ns")
		svc.Lock()
		svc.Shards[shardKey] = testEps
		svc.Unlock()
	}
	return index