/**
     * this method is only here for backward compat (project-info-reports:dependencies)
     * the default implementation will return an empty AuthenticationInfo
     *
     * @param id an id
     * @return corresponding authentication info
     */
    AuthenticationInfo getAuthenticationInfo(String id);

    ProxyInfo getProxy(String protocol);

    void getArtifact(Artifact artifact, ArtifactRepository repository)