class UnixResolverDnsServerAddressStreamProvider implements DnsServerAddressStreamProvider {

    static List<String> parseEtcResolverSearchDomains() throws IOException {
        return parseEtcResolverSearchDomains(new File(ETC_RESOLV_CONF_FILE));
    }

    public  UnixResolverDnsServerAddressStreamProvider(File etcResolvConf, File... etcResolverFiles);
    public  UnixResolverDnsServerAddressStreamProvider(String etcResolvConf, String etcResolverDir);

}