case time.Time:
		return "TIMESTAMP"
	case []byte:
		return "BYTES"
	case []Value:
		return "ARRAY"
	case Missing:
		return "MISSING"
	}
	return "--"
}

// Repr returns a string representation of value.
func (v Value) Repr() string {
	switch x := v.value.(type) {
	case nil:
		return ":NULL"
	case bool, int64, float64:
		return fmt.Sprintf("%v:%s", v.value, v.GetTypeString())
	case time.Time:

                RemoteRepository repo = selector.getMirror(RepositoryUtils.toRepo(repository));
                if (repo != null) {
                    Mirror mirror = new Mirror();
                    mirror.setId(repo.getId());
                    mirror.setUrl(repo.getUrl());
                    mirror.setLayout(repo.getContentType());
                    mirror.setBlocked(repo.isBlocked());
                    return mirror;

        ArtifactRepository repo = createStringRepo();

        StringWagon wagon = (StringWagon) wagonManager.getWagon("string");
        wagon.addExpectedContent(repo.getLayout().pathOf(artifact), "expected");
        wagon.addExpectedContent(repo.getLayout().pathOf(artifact) + ".md5", "cd26d9e10ce691cc69aa2b90dcebbdac");

        wagonManager.getArtifact(artifact, repo, null, false);

            for (ArtifactRepository repo : requestRepositories) {
                if (!repos.containsKey(repo.getId())) {
                    repos.put(repo.getId(), repo);
                }
            }

            for (ArtifactRepository repo : pomRepositories) {
                if (!repos.containsKey(repo.getId())) {
                    repos.put(repo.getId(), repo);
                }
            }

                RemoteRepository repo = selector.getMirror(RepositoryUtils.toRepo(repository));
                if (repo != null) {
                    Mirror mirror = new Mirror();
                    mirror.setId(repo.getId());
                    mirror.setUrl(repo.getUrl());
                    mirror.setLayout(repo.getContentType());
                    mirror.setBlocked(repo.isBlocked());
                    return mirror;

      list.add(listener, directExecutor());
    }
    return list.getImpl();
  }

  @Benchmark
  int addThenExecute_singleThreaded(int reps) {
    int returnValue = 0;
    for (int i = 0; i < reps; i++) {
      list = impl.newExecutionList();
      listenerLatch = new CountDownLatch(numListeners);
      for (int j = 0; j < numListeners; j++) {

                    try {
                        ArtifactRepository repo = repositorySystem.buildArtifactRepository((Repository) repository);
                        repositorySystem.injectMirror(request.getRepositorySession(), Arrays.asList(repo));
                        repositorySystem.injectProxy(request.getRepositorySession(), Arrays.asList(repo));

    public static RemoteRepository toRepo(ArtifactRepository repo) {
        RemoteRepository result = null;
        if (repo != null) {
            RemoteRepository.Builder builder =
                    new RemoteRepository.Builder(repo.getId(), getLayout(repo), repo.getUrl());
            builder.setSnapshotPolicy(toPolicy(repo.getSnapshots()));
            builder.setReleasePolicy(toPolicy(repo.getReleases()));

	// numeric. This AST node is for terms separated by + or -
	// symbols.
	for _, rightTerm := range e.Right {
		op := rightTerm.Op
		rval, rerr := rightTerm.Right.evalNode(r, tableAlias)
		if rerr != nil {
			return nil, rerr
		}
		err := lval.arithOp(op, rval)
		if err != nil {
			return nil, err
		}
	}
	return lval, nil
}

    /**
     * Maven central repository URL.
     * The property will have the value of the <code>MAVEN_REPO_CENTRAL</code>
     * environment variable if it is defined.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "https://repo.maven.apache.org/maven2")
    public static final String MAVEN_REPO_CENTRAL = "maven.repo.central";

    /**