Webservice subsystem abuses attribute values for error handling

[standalone@localhost:9990 /] /deployment=jboss-helloworld-ws.war/subsystem=webservices/endpoint=*:read-resource(include-runtime=true)
{
    "outcome" => "success",
    "result" => [{
        "address" => [
            ("deployment" => "jboss-helloworld-ws.war"),
            ("subsystem" => "webservices"),
            ("endpoint" => "jboss-helloworld-ws%3Aorg.jboss.as.quickstarts.wshelloworld.HelloWorldServiceImpl")
        ],
        "outcome" => "success",
        "result" => {
            "average-processing-time" => "WFLYWS0037: No metrics available",
            "class" => "org.jboss.as.quickstarts.wshelloworld.HelloWorldServiceImpl",
            "context" => "jboss-helloworld-ws",
            "fault-count" => "WFLYWS0037: No metrics available",
            "max-processing-time" => "WFLYWS0037: No metrics available",
            "min-processing-time" => "WFLYWS0037: No metrics available",
            "name" => "org.jboss.as.quickstarts.wshelloworld.HelloWorldServiceImpl",
            "request-count" => "WFLYWS0037: No metrics available",
            "response-count" => "WFLYWS0037: No metrics available",
            "total-processing-time" => "WFLYWS0037: No metrics available",
            "type" => "JAXWS_JSE",
            "wsdl-url" => "http://localhost:8080/jboss-helloworld-ws/HelloWorldService?wsdl"
        }
    }],
    "response-headers" => {"process-state" => "reload-required"}
}