.build();
    }

    @NotThreadSafe
    class ArtifactResolverRequestBuilder {
        Session session;
        RequestTrace trace;
        Collection<? extends ArtifactCoordinates> coordinates;
        List<RemoteRepository> repositories;

        ArtifactResolverRequestBuilder() {}

        @Nonnull
        public ArtifactResolverRequestBuilder session(Session session) {
            this.session = session;

        List<RemoteRepository> repositories1 = Arrays.asList(repo1, repo2);
        List<RemoteRepository> repositories2 = Arrays.asList(repo1, repo2);

        ArtifactResolverRequest.ArtifactResolverRequestBuilder builder = ArtifactResolverRequest.builder();

        ArtifactResolverRequest request1 = builder.session(session)
                .coordinates(Arrays.asList(coords1, coords2))