cluster             *cluster.Cluster
		httpProtocolOptions *http.HttpProtocolOptions
		connectionPool      *networking.ConnectionPoolSettings
		expectedHTTPPOpt    *http.HttpProtocolOptions
	}{
		{
			name:    "only update IdleTimeout",
			cluster: &cluster.Cluster{Name: "foo", ClusterDiscoveryType: &cluster.Cluster_Type{Type: cluster.Cluster_EDS}},
			httpProtocolOptions: &http.HttpProtocolOptions{

	if mc.httpProtocolOptions == nil {
		mc.httpProtocolOptions = &http.HttpProtocolOptions{}
	}
	options := mc.httpProtocolOptions
	options.UpstreamProtocolOptions = &http.HttpProtocolOptions_UseDownstreamProtocolConfig{
		UseDownstreamProtocolConfig: &http.HttpProtocolOptions_UseDownstreamHttpConfig{
			HttpProtocolOptions:  &core.Http1ProtocolOptions{},

			httpProtocolOptions := &http.HttpProtocolOptions{}
			if anyOptions != nil {
				anyOptions.UnmarshalTo(httpProtocolOptions)
			}

			if tc.useDownStreamProtocol && tc.proxyType == model.SidecarProxy {
				if httpProtocolOptions.GetUseDownstreamProtocolConfig() == nil {
					t.Errorf("Expected cluster to use downstream protocol but got %v", httpProtocolOptions)
				}
			} else {

	if cc.port.Protocol.IsHTTP2() {
		httpOpts.connectionManager.Http2ProtocolOptions = &core.Http2ProtocolOptions{}
	}

	if features.HTTP10 || enableHTTP10(lb.node.Metadata.HTTP10) {
		httpOpts.connectionManager.HttpProtocolOptions = &core.Http1ProtocolOptions{
			AcceptHttp_10: true,
		}
	}
	h := lb.buildHTTPConnectionManager(httpOpts)

	// Last filter must be router.
	router := h.HttpFilters[len(h.HttpFilters)-1]

	if cc.port.Protocol.IsHTTP2() {
		httpOpts.connectionManager.Http2ProtocolOptions = &core.Http2ProtocolOptions{}
	}

	if features.HTTP10 || enableHTTP10(lb.node.Metadata.HTTP10) {
		httpOpts.connectionManager.HttpProtocolOptions = &core.Http1ProtocolOptions{
			AcceptHttp_10: true,
		}
	}

	return httpOpts
}

// buildInboundNetworkFiltersForHTTP builds the network filters that should be inserted before an HCM.