if (layout == null) {
            throw new UnknownRepositoryLayoutException(repositoryId, layoutId);
        }
    }

    public ArtifactRepository createDeploymentArtifactRepository(
            String id, String url, ArtifactRepositoryLayout repositoryLayout, boolean uniqueVersion) {
        return createArtifactRepository(id, url, repositoryLayout, null, null);
    }

    }

    private ArtifactRepository injectSession(ArtifactRepository repository, boolean mirrors) {
        RepositorySystemSession session = legacySupport.getRepositorySession();

        if (session != null && repository != null && !isLocalRepository(repository)) {
            List<ArtifactRepository> repositories = Arrays.asList(repository);

            RepositorySystem repositorySystem;
            try {