"istio.io/istio/pkg/util/sets"
	_ "istio.io/istio/pkg/wasm" // include for registering wasm logging scope
)

var defaultConfigSource = &core.ConfigSource{
	ConfigSourceSpecifier: &core.ConfigSource_Ads{
		Ads: &core.AggregatedConfigSource{},
	},
	ResourceApiVersion: core.ApiVersion_V3,
	// we block proxy init until WasmPlugins are loaded because they might be
	// critical for security (e.g. authn/authz)

		keccakF1600(&d.a)
	case spongeSqueezing:
		// If we're squeezing, we need to apply the permutation before
		// copying more output.
		keccakF1600(&d.a)
		d.i = 0
		copyOut(d, d.storage[:d.rate])
	}
}

// pads appends the domain separation bits in dsbyte, applies
// the multi-bitrate 10..1 padding rule, and permutes the state.
func (d *state) padAndPermute() {
	// Pad with this instance's domain-separator bits. We know that there's

      assertTrue(bb.remaining() < bufferSize);
      int before = processCalled;
      super.processRemaining(bb);
      int after = processCalled;
      assertEquals(before + 1, after); // default implementation pads and calls process()
      processCalled--; // don't count the tail invocation (makes tests a bit more understandable)
    }

    // ensures that the number of invocations looks sane

      assertTrue(bb.remaining() < bufferSize);
      int before = processCalled;
      super.processRemaining(bb);
      int after = processCalled;
      assertEquals(before + 1, after); // default implementation pads and calls process()
      processCalled--; // don't count the tail invocation (makes tests a bit more understandable)
    }

    // ensures that the number of invocations looks sane

	deleted model.DeletedResources,
	usedDelta bool,
	delta model.ResourceDelta,
	incremental bool,
) {
	current := con.proxy.GetWatchedResource(w.TypeUrl).LastResources
	if current == nil {
		log.Debugf("ADS:%s: resources initialized", v3.GetShortType(w.TypeUrl))
		return
	}
	if deltaRes == nil && deleted == nil && len(sotwRes) == 0 {
		// TODO: it suspicious full is never nil - are there case where we should be deleting everything?

	// For example: type is for Any is 'type.googlepis.com/istio.networking.v1alpha3.EnvoyFilter
	// We use: networking.istio.io/v1alpha3/EnvoyFilter
	kind := strings.SplitN(w.TypeUrl, "/", 3)
	if len(kind) != 3 {
		log.Warnf("ADS: Unknown watched resources %s", w.TypeUrl)
		// Still return an empty response - to not break waiting code. It is fine to not know about some resource.
		return resp, model.DefaultXdsLogDetails, nil
	}

		}
	})
}

func (a *AdsTest) adsReceiveChannel() {
	context.AfterFunc(a.context, a.Cleanup)
	for {
		resp, err := a.client.Recv()
		if err != nil {
			if isUnexpectedError(err) {
				log.Warnf("ads received error: %v", err)
			}
			select {
			case a.error <- err:
			case <-a.context.Done():
			}
			return
		}
		select {
		case a.responses <- resp:
		case <-a.context.Done():
			return

		grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(defaultClientMaxReceiveMessageSize)),
	}
}

// ADSC implements a basic client for ADS, for use in stress tests and tools
// or libraries that need to connect to Istio pilot or other ADS servers.
type ADSC struct {
	// Stream is the GRPC connection stream, allowing direct GRPC send operations.
	// Set after Dial is called.

		}
	})
}

func (a *DeltaAdsTest) adsReceiveChannel() {
	context.AfterFunc(a.context, a.Cleanup)
	for {
		resp, err := a.client.Recv()
		if err != nil {
			if isUnexpectedError(err) {
				log.Warnf("ads received error: %v", err)
			}
			select {
			case a.error <- err:
			case <-a.context.Done():
			}
			return
		}
		select {
		case a.responses <- resp:
		case <-a.context.Done():
			return

	for _, l := range listenerDump.DynamicListeners {
		if l.ActiveState != nil && l.ActiveState.Listener != nil {
			listenerTyped := &listener.Listener{}
			// Support v2 or v3 in config dump. See ads.go:RequestedTypes for more info.
			l.ActiveState.Listener.TypeUrl = v3.ListenerType
			err = l.ActiveState.Listener.UnmarshalTo(listenerTyped)
			if err != nil {
				return nil, fmt.Errorf("unmarshal listener: %v", err)