<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/integration"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:beans="http://www.springframework.org/schema/beans"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
			https://www.springframework.org/schema/beans/spring-beans.xsd
			http://www.springframework.org/schema/integration
			https://www.springframework.org/schema/integration/spring-integration.xsd">

	<gateway id="gateway"
			 default-request-channel="requestChannel"
			 service-interface="org.springframework.integration.gateway.GatewayWithHeaderAnnotations$TestService" />

	<service-activator input-channel="requestChannel"
		expression="payload + headers.priority + headers.$custom + headers.baz"/>

</beans:beans>
