p.setPassword(proxy.getPassword());

                    repository.setProxy(p);
                } else {
                    repository.setProxy(null);
                }
            }
        }
    }

    private Proxy getProxy(RepositorySystemSession session, ArtifactRepository repository) {
        if (session != null) {

            RemoteRepository.Builder builder = new RemoteRepository.Builder(remoteRepo);
            builder.setAuthentication(session.getAuthenticationSelector().getAuthentication(remoteRepo));
            builder.setProxy(session.getProxySelector().getProxy(remoteRepo));
            remoteRepo = builder.build();
        }
        request.setRepository(remoteRepo);

        DeployResult result;
        try {

     */
    Authentication getAuthentication();

    /**
     * @param proxy proxy
     * @since 3.0-alpha-3
     */
    void setProxy(Proxy proxy);

    /**
     * @since 3.0-alpha-3
     * @return repository proxy
     */
    Proxy getProxy();

    /**
     * @since 3.0.3
     * @return the repositories mirrored by the actual one
     */

    @Override
    public void setAuthentication(Authentication authentication) {
        this.authentication = authentication;
    }

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

    @Override
    public void setProxy(Proxy proxy) {
        this.proxy = proxy;
    }

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

    @Override

        @Override
        public Authentication getAuthentication() {
            return null;
        }

        @Override
        public void setProxy(Proxy proxy) {}

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

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

        proxyInfo.setHost(repository.getProxy().getHost());
        proxyInfo.setType(repository.getProxy().getProtocol());
        proxyInfo.setPort(repository.getProxy().getPort());
        proxyInfo.setNonProxyHosts(repository.getProxy().getNonProxyHosts());
        proxyInfo.setUserName(repository.getProxy().getUserName());
        proxyInfo.setPassword(repository.getProxy().getPassword());
        return proxyInfo;
    }

     *
     * @param id an id
     * @return corresponding authentication info
     */
    AuthenticationInfo getAuthenticationInfo(String id);

    ProxyInfo getProxy(String protocol);

    void getArtifact(Artifact artifact, ArtifactRepository repository)
            throws TransferFailedException, ResourceDoesNotExistException;

                    }
                }
            }
        }

        // empty one to prevent NPE
        return new AuthenticationInfo();
    }

    @Override
    public ProxyInfo getProxy(String protocol) {
        MavenSession session = legacySupport.getSession();

        if (session != null && protocol != null) {
            MavenExecutionRequest request = session.getRequest();

    }

    String getRepositoryKey(ArtifactRepository repository) {
        StringBuilder buffer = new StringBuilder(256);

        Proxy proxy = repository.getProxy();
        if (proxy != null) {
            if (proxy.getUserName() != null) {
                int hash = (proxy.getUserName() + proxy.getPassword()).hashCode();
                buffer.append(hash).append('@');