String strictVersion = version.getStrictVersion();
        String preferredVersion = version.getPreferredVersion();
        List<String> rejectedVersions = version.getRejectedVersions();
        StringBuilder sb = new StringBuilder();
        if (rejectedVersions.isEmpty() && strictVersion.isEmpty() && preferredVersion.isEmpty()) {
            // typical shortcut case, "foo='1.2'"

        assert copiedDependencyConstraint.versionConstraint == copiedDependencyConstraint.versionConstraint
        assert copiedDependencyConstraint.versionConstraint.preferredVersion == copiedDependencyConstraint.versionConstraint.preferredVersion
        assert copiedDependencyConstraint.versionConstraint.rejectedVersions == copiedDependencyConstraint.versionConstraint.rejectedVersions
    }

                                } else if (d.version) {
                                    requires d.version
                                } else if (d.preferredVersion) {
                                    prefers d.preferredVersion
                                }
                                rejects d.rejects
                            }
                            if (d.endorseStrictVersions) {

	// kubeadm generated version
	CurrentVersion string `json:"currentVersion"`

	// PreferredVersion is the component config version that is currently preferred by kubeadm for use.
	// NOTE: As of today, this is the only version supported by kubeadm.
	PreferredVersion string `json:"preferredVersion"`

	// ManualUpgradeRequired indicates if users need to manually upgrade their component config versions. This happens if

{
  "apiVersion": "v1",
  "kind": "APIGroup",
  "name": "policy",
  "preferredVersion": {
    "groupVersion": "policy/v1",
    "version": "v1"
  },
  "versions": [
    {
      "groupVersion": "policy/v1",
      "version": "v1"
    }
  ]

{
  "kind": "APIGroup",
  "apiVersion": "v1",
  "name": "nameValue",
  "versions": [
    {
      "groupVersion": "groupVersionValue",
      "version": "versionValue"
    }
  ],
  "preferredVersion": {
    "groupVersion": "groupVersionValue",
    "version": "versionValue"
  },
  "serverAddressByClientCIDRs": [
    {
      "clientCIDR": "clientCIDRValue",
      "serverAddress": "serverAddressValue"
    }
  ]

{
  "apiVersion": "v1",
  "kind": "APIGroup",
  "name": "autoscaling",
  "preferredVersion": {
    "groupVersion": "autoscaling/v2",
    "version": "v2"
  },
  "versions": [
    {
      "groupVersion": "autoscaling/v2",
      "version": "v2"
    },
    {
      "groupVersion": "autoscaling/v1",
      "version": "v1"
    }
  ]

{
  "apiVersion": "v1",
  "kind": "APIGroup",
  "name": "apiextensions.k8s.io",
  "preferredVersion": {
    "groupVersion": "apiextensions.k8s.io/v1",
    "version": "v1"
  },
  "versions": [
    {
      "groupVersion": "apiextensions.k8s.io/v1",
      "version": "v1"
    }
  ]

{
  "apiVersion": "v1",
  "kind": "APIGroup",
  "name": "scheduling.k8s.io",
  "preferredVersion": {
    "groupVersion": "scheduling.k8s.io/v1",
    "version": "v1"
  },
  "versions": [
    {
      "groupVersion": "scheduling.k8s.io/v1",
      "version": "v1"
    }
  ]

apiVersion: v1
kind: APIGroup
name: nameValue
preferredVersion:
  groupVersion: groupVersionValue
  version: versionValue
serverAddressByClientCIDRs:
- clientCIDR: clientCIDRValue
  serverAddress: serverAddressValue
versions:
- groupVersion: groupVersionValue