// Define a named domain object set to hold Person objects
    private val people: NamedDomainObjectSet<Person> = project.objects.namedDomainObjectSet(Person::class)

    // Add a person to the set
    fun addPerson(name: String) {
        people.plus(name)
    }
}
// end::ndos[]

// tag::ndol[]

abstract class MyPluginExtensionNamedDomainObjectList {
    // Define a named domain object list to hold Person objects

    // Add a person to the set
    void addPerson(String name) {
        people.create(name)
    }
}
// end::ndos[]

// tag::ndol[]

abstract class MyPluginExtensionNamedDomainObjectList {
    // Define a named domain object container to hold Person objects
    NamedDomainObjectList<Person> people = project.container(Person)

    // Add a person to the container
    void addPerson(String name) {

		},
		MarkDeleted:      false,
		NumVersions:      1,
		SuccessorModTime: time.Time{},
	}
	// Add a version with local content
	fatalErr(xl.AddVersion(fi))
	report()

	// Add null version with tiered content
	tierfi := fi
	tierfi.VersionID = ""
	fatalErr(xl.AddVersion(tierfi))
	report()
	tierfi.TransitionStatus = lifecycle.TransitionComplete
	tierfi.TransitionedObjName = mustGetUUID()

			x.versions = append(x.versions[:i], x.versions[i+1:]...)
			if fi.MarkDeleted && (fi.VersionPurgeStatus().Empty() || (fi.VersionPurgeStatus() != Complete)) {
				err = x.addVersion(ventry)
			} else if fi.Deleted && uv.String() == emptyUUID {
				return "", x.addVersion(ventry)
			}
			return "", err
		case ObjectType:
			if updateVersion && !fi.Deleted {
				ver, err := x.getIdx(i)
				if err != nil {

        if (versionConstraint.getRange() == null) {
            result.addVersion(versionConstraint.getVersion());
        } else {
            VersionRange.Bound lowerBound = versionConstraint.getRange().getLowerBound();
            if (lowerBound != null
                    && lowerBound.equals(versionConstraint.getRange().getUpperBound())) {
                result.addVersion(lowerBound.getVersion());
            } else {

        if (versionConstraint.getRange() == null) {
            result.addVersion(versionConstraint.getVersion());
        } else {
            VersionRange.Bound lowerBound = versionConstraint.getRange().getLowerBound();
            if (lowerBound != null
                    && lowerBound.equals(versionConstraint.getRange().getUpperBound())) {
                result.addVersion(lowerBound.getVersion());
            } else {

		// deletion via scanner.
		ver, err := x.getIdx(i)
		if err != nil {
			return err
		}

		if freeVersion, toFree := ver.ObjectV2.InitFreeVersion(fi); toFree {
			return x.addVersion(freeVersion)
		}
		return nil
	}
	return nil

    private ArtifactMetadata createMetadata(Artifact artifact) {
        Versioning versioning = new Versioning();
        // TODO Should this be changed for MNG-6754 too?
        versioning.updateTimestamp();
        versioning.addVersion(artifact.getVersion());

        if (artifact.isRelease()) {
            versioning.setRelease(artifact.getVersion());
        }

        return new ArtifactRepositoryMetadata(artifact, versioning);
    }

        Metadata metadata = new Metadata();
        metadata.setGroupId(artifact.getGroupId());
        metadata.setArtifactId(artifact.getArtifactId());

        Versioning versioning = new Versioning();
        versioning.addVersion(artifact.getBaseVersion());
        if (!artifact.isSnapshot()) {
            versioning.setRelease(artifact.getBaseVersion());
        }
        if ("maven-plugin".equals(artifact.getProperty(ArtifactProperties.TYPE, ""))) {

        }

        Versioning versioning = new Versioning();
        // TODO Should this be changed for MNG-6754 too?
        versioning.updateTimestamp();
        versioning.addVersion(artifact.getBaseVersion());
        if (artifact.isRelease()) {
            versioning.setRelease(artifact.getBaseVersion());
        }
        artifact.addMetadata(new ArtifactRepositoryMetadata(artifact, versioning));