},
			},
		}
	}
}

type mtlsContextType int

const (
	userSupplied mtlsContextType = iota
	autoDetected
)

func (cb *ClusterBuilder) setUseDownstreamProtocol(mc *clusterWrapper) {
	if mc.httpProtocolOptions == nil {
		mc.httpProtocolOptions = &http.HttpProtocolOptions{}
	}
	options := mc.httpProtocolOptions

		// Use downstream protocol. If the incoming traffic use HTTP 1.1, the
		// upstream cluster will use HTTP 1.1, if incoming traffic use HTTP2,
		// the upstream cluster will use HTTP2.
		cb.setUseDownstreamProtocol(mc)
	}
}

// applyH2Upgrade function will upgrade cluster to http2 if specified by configuration.
// applyH2Upgrade can only be called for outbound cluster

func newDownstreamTestCluster() *clusterWrapper {
	cb := NewClusterBuilder(newSidecarProxy(), nil, model.DisabledCache{})
	mc := newClusterWrapper(&cluster.Cluster{
		Name: "test-cluster",
	})
	cb.setUseDownstreamProtocol(mc)
	return mc
}

func newSidecarProxy() *model.Proxy {
	return &model.Proxy{Type: model.SidecarProxy, Metadata: &model.NodeMetadata{}}
}

func newGatewayProxy() *model.Proxy {