/**
         * Sets the list of remote repositories to use for resolving dependencies during project building.
         * These repositories will be used in addition to any repositories defined in the project itself.
         *
         * @param repositories the list of remote repositories
         * @return this builder instance
         */
        public ProjectBuilderRequestBuilder repositories(List<RemoteRepository> repositories) {

    /**
     * The possible merge modes for combining remote repositories.
     */
    enum RepositoryMerging {

        /**
         * The repositories declared in the POM have precedence over the repositories specified in the request.
         */
        POM_DOMINANT,

        /**
         * The repositories specified in the request have precedence over the repositories declared in the POM.
         */
        REQUEST_DOMINANT,

    /**
     * Creates a derived session using the given remote repositories.
     *
     * @param repositories the new list of remote repositories
     * @return the derived session
     * @throws NullPointerException if {@code repositories} is null
     */
    @Nonnull
    Session withRemoteRepositories(@Nonnull List<RemoteRepository> repositories);

    /**

    /**
     * Gets the remote repositories to use for the resolution.
     *
     * @return The remote repositories to use for the resolution, never {@code null}.
     */
    @Override
    List<ArtifactRepository> getRemoteRepositories();

    /**
     * Sets the remote repositories to use for the resolution.
     *
     * @param remoteRepositories The remote repositories to use for the resolution.

        Artifact l = createRemoteArtifact("l", "1.0-SNAPSHOT");
        deleteLocalArtifact(l);

        List<ArtifactRepository> repositories = new ArrayList<>();
        repositories.add(remoteRepository());
        repositories.add(badRemoteRepository());

        artifactResolver.resolve(l, repositories, localRepository());

        assertLocalArtifactPresent(l);
    }

    @Test

                .coordinates(Arrays.asList(coords1, coords2))
                .repositories(repositories1)
                .build();

        ArtifactResolverRequest request2 = builder.session(session)
                .coordinates(Arrays.asList(coords1, coords2))
                .repositories(repositories2)
                .build();

        ArtifactResolverRequest request3 = builder.session(session)

    @Override
    public List<ArtifactRepository> getEffectiveRepositories(List<ArtifactRepository> repositories) {
        if (repositories == null) {
            return null;
        }

        Map<String, List<ArtifactRepository>> reposByKey = new LinkedHashMap<>();

        for (ArtifactRepository repository : repositories) {
            String key = repository.getId();

            }

            if (mirrors) {
                repositorySystem.injectMirror(session, repositories);
            }

            repositorySystem.injectProxy(session, repositories);

            repositorySystem.injectAuthentication(session, repositories);
        }

        return repository;
    }

    private boolean isLocalRepository(ArtifactRepository repository) {

            this.repositories.add(localRepository);
            this.repositories.addAll(remoteRepositories);

            int hash = 17;
            hash = hash * 31 + artifactHashCode(artifact);
            hash = hash * 31 + (resolveManagedVersions ? 1 : 2);
            hash = hash * 31 + repositoriesHashCode(repositories);
            this.hashCode = hash;
        }

        @Override

            List<?> repositories, ProjectBuildingRequest request) throws ProjectBuildingException {
        /*
         * This provides backward-compat with 2.x that allowed plugins like the maven-remote-resources-plugin:1.0 to
         * populate the builder configuration with model repositories instead of artifact repositories.
         */

        if (repositories != null) {
            boolean normalized = false;