}

    @Override
    public void injectMirror(List<ArtifactRepository> repositories, List<Mirror> mirrors) {
        if (repositories != null && mirrors != null) {
            for (ArtifactRepository repository : repositories) {
                Mirror mirror = getMirror(repository, mirrors);
                injectMirror(repository, mirror);
            }
        }
    }

                throw new IllegalStateException("Unable to lookup " + RepositorySystem.class.getName());
            }

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

            repositorySystem.injectProxy(session, repositories);

            repositorySystem.injectAuthentication(session, repositories);
        }

                    try {
                        ArtifactRepository repo = repositorySystem.buildArtifactRepository(repositoryInstance);
                        repositorySystem.injectMirror(request.getRepositorySession(), Arrays.asList(repo));
                        repositorySystem.injectProxy(request.getRepositorySession(), Arrays.asList(repo));

            } catch (InvalidRepositoryException e) {
                // cannot use this then
            }
        }
        mavenRepositorySystem.injectMirror(repositorySession, pomRepositories);
        mavenRepositorySystem.injectProxy(repositorySession, pomRepositories);
        mavenRepositorySystem.injectAuthentication(repositorySession, pomRepositories);