如何在Mule中包含inlinecount with odata响应？

<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns:http="http://www.mulesoft.org/schema/mule/http"
    xmlns:dw="http://www.mulesoft.org/schema/mule/ee/dw"
    xmlns="http://www.mulesoft.org/schema/mule/core"
    xmlns:odata="http://www.mulesoft.org/schema/mule/odata"
    xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
    xmlns:spring="http://www.springframework.org/schema/beans"
    version="EE-4.3.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
        http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
        http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd
        http://www.mulesoft.org/schema/mule/odata http://www.mulesoft.org/schema/mule/odata/current/mule-odata.xsd
        http://www.mulesoft.org/schema/mule/ee/dw http://www.mulesoft.org/schema/mule/ee/dw/current/dw.xsd">
        
    <http:listener-config name="HTTP_Listener_config" doc:name="HTTP Listener config" doc:id="f5f4e6a9-7e9e-4f4e-9e6a-9e4f4e9e6a9e" >
        <http:listener-connection host="0.0.0.0" port="8081" />
    </http:listener-config>

    <flow name="odataFlow" doc:id="d4f3e2a1-1a2b-3b4c-5c6d-7d8e9f0a1b2">
        <http:listener doc:name="Listener" doc:id="c1b2a3d4-4d3c-2c1b-0b9a-8a7b6c5d4e3f" config-ref="HTTP_Listener_config" path="/odata" allowedMethods="GET" />
        <dw:transform-message doc:name="Transform Message" doc:id="b2a3c4d5-5d4c-3c2b-1b0a-9a8b7c6d5e4f">
            <dw:set-payload><![CDATA[%dw 2.0
                output application/json
                ---
                {
                    "data": payload,
                    "count": sizeOf(payload)
                }]]></dw:set-payload>
        </dw:transform-message>
    </flow>
</mule>