JAVA_HOME("java.home"),
    JAVA_VERSION("java.version"),
    JAVA_VENDOR("java.vendor"),
    RUNTIME_NAME("java.runtime.name"),
    RUNTIME_VERSION("java.runtime.version"),
    VM_NAME("java.vm.name"),
    VM_VERSION("java.vm.version"),
    VM_VENDOR("java.vm.vendor"),
    OS_ARCH("os.arch"),
    Z_ERROR("Internal"); // This line MUST be last!

    private final String key;

    ProbedSystemProperty(String key) {

        String runtimeVersion = metadata.get(ProbedSystemProperty.RUNTIME_VERSION);
        String jvmName = metadata.get(ProbedSystemProperty.VM_NAME);
        String jvmVersion = metadata.get(ProbedSystemProperty.VM_VERSION);
        String jvmVendor = metadata.get(ProbedSystemProperty.VM_VENDOR);
        String architecture = metadata.get(ProbedSystemProperty.OS_ARCH);