Access control exceptions missing for scoped roles

[domain@localhost:9999 /] ./server-group=*:read-resource-description(access-control=trim-descriptions, operations=true){roles=main-servers, other-servers}
{
    "outcome" => "success",
    "result" => [{
        "address" => [("server-group" => "*")],
        "outcome" => "success",
        "result" => {
            "description" => undefined,
            "attributes" => undefined,
            "operations" => undefined,
            "children" => {
                "deployment" => {"model-description" => undefined},
                "system-property" => {"model-description" => undefined},
                "jvm" => {"model-description" => undefined},
                "deployment-overlay" => {"model-description" => undefined}
            },
            "access-control" => {
                "default" => {
                    "read" => true,
                    "write" => true,
                    "attributes" => {
                        "socket-binding-port-offset" => {
                            "read" => true,
                            "write" => true
                        },
                        "management-subsystem-endpoint" => {
                            "read" => true,
                            "write" => false
                        },
                        "socket-binding-group" => {
                            "read" => true,
                            "write" => true
                        },
                        "profile" => {
                            "read" => true,
                            "write" => true
                        }
                    },
                    "operations" => {
                        "read-children-names" => {"execute" => true},
                        "read-operation-description" => {"execute" => true},
                        "remove" => {"execute" => true},
                        "read-resource-description" => {"execute" => true},
                        "stop-servers" => {"execute" => true},
                        "read-resource" => {"execute" => true},
                        "add" => {"execute" => true},
                        "read-attribute" => {"execute" => true},
                        "whoami" => {"execute" => true},
                        "read-children-types" => {"execute" => true},
                        "read-operation-names" => {"execute" => true},
                        "undefine-attribute" => {"execute" => true},
                        "start-servers" => {"execute" => true},
                        "read-children-resources" => {"execute" => true},
                        "restart-servers" => {"execute" => true},
                        "replace-deployment" => {"execute" => true},
                        "write-attribute" => {"execute" => true}
                    }
                },
                "exceptions" => {}
            }
        }
    }]
}