}

    public static List<RemoteRepository> toRepos(List<ArtifactRepository> repos) {
        return Optional.ofNullable(repos).orElse(Collections.emptyList()).stream()
                .map(RepositoryUtils::toRepo)
                .collect(Collectors.toList());
    }

    public static RemoteRepository toRepo(ArtifactRepository repo) {
        RemoteRepository result = null;
        if (repo != null) {

    private final RepositorySystemSession session;

    private final RequestTrace trace;

    private final String context = "project";

    private List<RemoteRepository> repositories;

    private List<RemoteRepository> pomRepositories;

    private final List<RemoteRepository> externalRepositories;

    private final RepositorySystem resolver;

    private final RemoteRepositoryManager remoteRepositoryManager;

     * @throws IllegalArgumentException if the list contains null repository entries
     */
    default List<RemoteRepository> validate(List<RemoteRepository> repositories) {
        if (repositories == null) {
            return null;
        }
        HashSet<RemoteRepository> set = new HashSet<>(repositories);
        if (repositories.size() != set.size()) {
            throw new IllegalArgumentException(

            throws TransferFailedException {
        File file =
                new File(localRepo.getBasedir(), localRepo.pathOfLocalRepositoryMetadata(metadata, remoteRepository));

        try {
            wagonManager.getArtifactMetadataFromDeploymentRepository(
                    metadata, remoteRepository, file, ArtifactRepositoryPolicy.CHECKSUM_POLICY_WARN);

        private final LocalRepository localRepo;

        private final List<RemoteRepository> repositories;

        private final DependencyFilter filter;

        private final int hashCode;

        public CacheKey(
                Plugin plugin,
                DependencyFilter extensionFilter,
                List<RemoteRepository> repositories,
                RepositorySystemSession session) {

        if (selector != null) {
            RemoteRepository repo = RepositoryUtils.toRepo(repository);
            org.eclipse.aether.repository.Authentication auth = selector.getAuthentication(repo);
            if (auth != null) {
                repo = new RemoteRepository.Builder(repo)
                        .setAuthentication(auth)
                        .build();

        private final List<RemoteRepository> repositories;

        private final Set<String> collect;

        private final Set<String> resolve;

        private boolean aggregating;

        private final int hashCode;

        public CacheKey(
                MavenProject project,
                List<RemoteRepository> repositories,
                Collection<String> scopesToCollect,

import org.eclipse.aether.repository.RemoteRepository;

/**
 * NoPluginFoundForPrefixException
 */
public class NoPluginFoundForPrefixException extends Exception {

    public NoPluginFoundForPrefixException(
            String prefix,
            List<String> pluginGroups,
            LocalRepository localRepository,
            List<RemoteRepository> remoteRepositories) {

            private final RemoteRepository repository;
            private final Collection<ProducedArtifact> artifacts;
            private final int retryFailedDeploymentCount;

            DefaultArtifactDeployerRequest(
                    @Nonnull Session session,
                    @Nullable RequestTrace trace,
                    @Nonnull RemoteRepository repository,

            throws RepositoryMetadataResolutionException {
        RepositoryMetadata metadata = new SnapshotArtifactRepositoryMetadata(artifact);

        getLogger().info("Retrieving previous build number from " + remoteRepository.getId());
        repositoryMetadataManager.resolveAlways(metadata, localRepository, remoteRepository);

        int buildNumber = 0;