ClusterVersion() (string, *versionutil.Version, error)
	// KubeadmVersion should return the version of the kubeadm CLI
	KubeadmVersion() (string, *versionutil.Version, error)
	// VersionFromCILabel should resolve CI labels like `latest`, `stable`, `stable-1.8`, etc. to real versions
	VersionFromCILabel(string, string) (string, *versionutil.Version, error)

// ClusterVersion gets a fake API server version
func (f *fakeVersionGetter) ClusterVersion() (string, *versionutil.Version, error) {
	return f.clusterVersion, versionutil.MustParseSemantic(f.clusterVersion), nil
}

// KubeadmVersion gets a fake kubeadm version
func (f *fakeVersionGetter) KubeadmVersion() (string, *versionutil.Version, error) {
	if f.kubeadmVersion == "" {
		return "", nil, errors.New("get kubeadm version error")
	}

}

// kubeadmVersion returns the version of the client without metadata.
func kubeadmVersion(info string) (string, error) {
	v, err := versionutil.ParseSemantic(info)
	if err != nil {
		return "", errors.Wrap(err, "kubeadm version error")
	}
	// There is no utility in versionutil to get the version without the metadata,
	// so this needs some manual formatting.

}

func getBranchFromVersion(version string) string {
	v := versionutil.MustParseGeneric(version)
	return fmt.Sprintf("%d.%d", v.Major(), v.Minor())
}

func patchVersionBranchExists(clusterVersion, stableVersion *versionutil.Version) bool {
	return stableVersion.AtLeast(clusterVersion)
}

func patchUpgradePossible(clusterVersion, patchVersion *versionutil.Version) bool {
	return clusterVersion.LessThan(patchVersion)
}

		var err error
		versionURL := fmt.Sprintf("%s/%s", endpoint, "version")
		if tmpVersionURL, err := normalizeURLString(versionURL); err != nil {
			errorList = append(errorList, errors.Wrapf(err, "failed to normalize external etcd version url %s", versionURL))
			continue
		} else {
			versionURL = tmpVersionURL
		}
		if err = getEtcdVersionResponse(client, versionURL, &resp); err != nil {

            String versionUrl = getVersionUrl();
            TextResourceFactory textFactory = project.getResources().getText();
            TextResource latest = textFactory.fromUri(versionUrl + "/current");
            TextResource releaseCandidate = textFactory.fromUri(versionUrl + "/" + RELEASE_CANDIDATE);
            TextResource nightly = textFactory.fromUri(versionUrl + "/" + NIGHTLY);

        // TODO: This breaks if version is changed later
        String versionUrl = DOCS_GRADLE_ORG + project.getVersion();
        attributes.put("groovyDslPath", versionUrl + "/dsl");
        attributes.put("javadocPath", versionUrl + "/javadoc");
        attributes.put("samplesPath", versionUrl + "/samples");
        attributes.put("kotlinDslPath", versionUrl + "/kotlin-dsl");
        // Used by SampleIncludeProcessor from `gradle/dotorg-docs`