@Override
        public List<String> findVersions(org.apache.maven.artifact.Artifact artifact) {
            return Collections.emptyList();
        }

        @Override
        public boolean isProjectAware() {
            return false;
        }

        @Override
        public void setAuthentication(Authentication authentication) {}

        @Override
        public Authentication getAuthentication() {

    public void setBlacklisted(boolean blackListed) {
        // no op
    }

    @Override
    public boolean isUniqueVersion() {
        return true;
    }

    @Override
    public boolean isProjectAware() {
        return false;
    }

    @Override
    public List<ArtifactRepository> getMirroredRepositories() {
        return mirroredRepositories;
    }

    @Override