lb.outboundListeners = lb.buildSidecarOutboundListeners(lb.node, lb.push)
	return lb
}

func (lb *ListenerBuilder) buildHTTPProxyListener() *ListenerBuilder {
	httpProxy := lb.buildHTTPProxy(lb.node, lb.push)
	if httpProxy == nil {
		return lb
	}
	lb.httpProxyListener = httpProxy
	return lb
}

func (lb *ListenerBuilder) buildVirtualOutboundListener() *ListenerBuilder {

			FilterChainMatch: &listener.FilterChainMatch{},
			Name:             util.PassthroughFilterChain,
			Filters:          fallthroughNetworkFilters,
		}
	}
	return l
}

func (lb *ListenerBuilder) buildHTTPProxy(node *model.Proxy,
	push *model.PushContext,
) *listener.Listener {
	httpProxyPort := push.Mesh.ProxyHttpPort // global
	if node.Metadata.HTTPProxyPort != "" {
		port, err := strconv.Atoi(node.Metadata.HTTPProxyPort)