)

type MainModuleSet struct {
	// versions are the module.Version values of each of the main modules.
	// For each of them, the Path fields are ordinary module paths and the Version
	// fields are empty strings.
	// versions is clipped (len=cap).
	versions []module.Version

	// modRoot maps each module in versions to its absolute filesystem path.
	modRoot map[module.Version]string

                    }
                    all {
                        assert it.target.version == '1.4'
                        assert it.target.module == it.requested.module
                        assert it.target.group == it.requested.group
                        it.useTarget group: it.requested.group, name: it.requested.module, version: '1.5'
                    }

				}
				if len(packages) == 0 {
					// curM at its original version contains a path matching q.pattern,
					// but at rev.Version it does not, so (somewhat paradoxically) if
					// we changed the version of curM it would no longer match the query.
					var version any = m
					if rev.Version != q.version {
						version = fmt.Sprintf("%s@%s (%s)", m.Path, q.version, m.Version)
					}

          "default": ""
        },
        "versions": {

				"spec.versions[0].schema.openAPIV3Schema.properties[e]: Required value: because it is defined in spec.versions[0].schema.openAPIV3Schema.allOf[0].properties[e]",
				"spec.versions[0].schema.openAPIV3Schema.properties[f]: Required value: because it is defined in spec.versions[0].schema.openAPIV3Schema.anyOf[0].properties[f]",

				// versions older than what is listed in the go.mod file.
				compatVersion = goVersion
			}
		}
		if gover.Compare(compatVersion, goVersion) > 0 {
			// Each version of the Go toolchain knows how to interpret go.mod and
			// go.sum files produced by all previous versions, so a compatibility
			// version higher than the go.mod version adds nothing.
			compatVersion = goVersion
		}

}

// GroupVersion contains the "group/version" and "version" string of a version.
// It is made a struct to keep extensibility.
type GroupVersionForDiscovery struct {
	// groupVersion specifies the API group and version in the form "group/version"
	GroupVersion string `json:"groupVersion" protobuf:"bytes,1,opt,name=groupVersion"`
	// version specifies the version in the form of "version". This is to save

        }

        for (String key : versions.keySet()) {
            if (versions.get(key) == null && managedVersions.get(key) == null) {
                InputLocation location = plugins.get(key).getLocation("");
                problems.add(new ModelProblemCollectorRequest(Severity.WARNING, ModelProblem.Version.V20)
                        .setMessage("'build.plugins.plugin.version' for " + key + " is missing.")

	"":                           "APIGroup contains the name, the supported versions, and the preferred version of a group.",
	"name":                       "name is the name of the group.",
	"versions":                   "versions are the versions supported in this group.",
	"preferredVersion":           "preferredVersion is the version preferred by the API server, which probably is the storage version.",

        }

        for (String key : versions.keySet()) {
            if (versions.get(key) == null && managedVersions.get(key) == null) {
                InputLocation location = plugins.get(key).getLocation("");
                problems.add(
                        Severity.WARNING,
                        ModelProblem.Version.V20,
                        "'build.plugins.plugin.version' for " + key + " is missing.",