Name:             "acme",
				},
				Spec: virtualServiceSpec,
			}},
			&statefulsession.StatefulSessionPerRoute{
				Override: &statefulsession.StatefulSessionPerRoute_StatefulSession{
					StatefulSession: &statefulsession.StatefulSession{
						SessionState: &core.TypedExtensionConfig{
							Name: "envoy.http.stateful_session.header",
							TypedConfig: protoconv.MessageToAny(&headerv3.HeaderBasedSessionState{

	if statefulConfig != nil {
		if out.TypedPerFilterConfig == nil {
			out.TypedPerFilterConfig = make(map[string]*anypb.Any)
		}
		perRouteStatefulSession := &statefulsession.StatefulSessionPerRoute{
			Override: &statefulsession.StatefulSessionPerRoute_StatefulSession{
				StatefulSession: statefulConfig,
			},
		}
		out.TypedPerFilterConfig[util.StatefulSessionFilter] = protoconv.MessageToAny(perRouteStatefulSession)
	}