}

    private void checkLayout(String repositoryId, String layoutId, ArtifactRepositoryLayout layout)
            throws UnknownRepositoryLayoutException {
        if (layout == null) {
            throw new UnknownRepositoryLayoutException(repositoryId, layoutId);
        }
    }

    public ArtifactRepository createDeploymentArtifactRepository(

            RepositorySystem repositorySystem;
            try {
                repositorySystem = container.lookup(RepositorySystem.class);
            } catch (ComponentLookupException e) {
                throw new IllegalStateException("Unable to lookup " + RepositorySystem.class.getName());
            }

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