'ibmJdk4'        | ibmJvm('4')              | true
        'ibmJre4'        | ibmJvm('4')              | true
        'ibmJdk5'        | ibmJvm('5')              | true
        'ibmJdk6'        | ibmJvm('6')              | true
        'ibmJdk7'        | ibmJvm('7')              | true
        'ibmJdk8'        | ibmJvm('8')              | true
        'ibmJdk9'        | ibmJvm('9')              | true

    }

    String getUnrecognizedOptionError() {
        def jvm = Jvm.current()
        if (jvm.ibmJvm) {
            return "Command-line option unrecognised: -foo"
        } else {
            return "Unrecognized option: -foo"
        }
    }

    String getWorkerTaskThatWaits() {
        return """