public void setProxy(Proxy proxy) {}

        @Override
        public Proxy getProxy() {
            return null;
        }

        @Override
        public List<ArtifactRepository> getMirroredRepositories() {
            return Collections.emptyList();
        }

        @Override
        public void setMirroredRepositories(List<ArtifactRepository> mirroredRepositories) {}

        @Override

            for (ArtifactRepository aliasedRepo : aliasedRepos) {
                releasePolicies.add(aliasedRepo.getReleases());
                mirroredRepos.addAll(aliasedRepo.getMirroredRepositories());
            }

            ArtifactRepositoryPolicy releasePolicy = getEffectivePolicy(releasePolicies);

            List<ArtifactRepositoryPolicy> snapshotPolicies = new ArrayList<>(aliasedRepos.size());