artifact.isOptional());
        clone.setRelease(artifact.isRelease());
        clone.setResolvedVersion(artifact.getVersion());
        clone.setResolved(artifact.isResolved());
        clone.setFile(artifact.getFile());

        clone.setAvailableVersions(copyList(artifact.getAvailableVersions()));
        if (artifact.getVersion() != null) {

    }

    @Override
    public void setResolved(boolean resolved) {
        this.resolved = resolved;
    }

    @Override
    public boolean isResolved() {
        return resolved;
    }

    @Override
    public void setResolvedVersion(String version) {
        this.version = version;
        // retain baseVersion
    }

    @Override

                    new org.apache.maven.model.Plugin(plugin), dependencyFilter, repositories, repoSession);
            return result.getArtifactResults().stream()
                    .filter(ArtifactResult::isResolved)
                    .map(ArtifactResult::getArtifact)
                    .collect(Collectors.toList());
        } catch (PluginResolutionException | InterpolatorException e) {

            }

            artifact.setResolved(true);

            return;
        }

        if (!artifact.isResolved()) {
            ArtifactResult result;

            try {
                ArtifactRequest artifactRequest = new ArtifactRequest();
                artifactRequest.setArtifact(RepositoryUtils.toArtifact(artifact));

        for (ArtifactRepository repository : remoteRepositories) {
            try {
                getArtifact(artifact, repository, downloadMonitor, force);

                if (artifact.isResolved()) {
                    artifact.setRepository(repository);
                    break;
                }
            } catch (ResourceDoesNotExistException e) {

                ResolutionNode child = i.next();

                try {

                    // We leave in optional ones, but don't pick up its dependencies
                    if (!child.isResolved() && (!child.getArtifact().isOptional() || child.isChildOfRootNode())) {
                        Artifact artifact = child.getArtifact();
                        artifact.setDependencyTrail(node.getDependencyTrail());