/**
     * Constructor for KatakanaToAlphabetConverter.
     */
    public KatakanaToAlphabetConverter() {
        fullWidthHalfWidth = Transliterator.getInstance("Fullwidth-Halfwidth");
        anyLower = Transliterator.getInstance("Any-Lower");
    }

    @Override
    public void init() throws IOException {
        // nothing
    }

    @Override

    //                                                                             =======
    @Override
    public DuplicateHostDbm asDBMeta() {
        return DuplicateHostDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "duplicate_host";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;

    //                                                                             =======
    @Override
    public RelatedQueryDbm asDBMeta() {
        return RelatedQueryDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "related_query";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    //                                                                             =======
    @Override
    public BoostDocumentRuleDbm asDBMeta() {
        return BoostDocumentRuleDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "boost_document_rule";
    }

    // ===================================================================================

    //                                                                           =========
    private static final RoleDbm _instance = new RoleDbm();

    private RoleDbm() {
    }

    public static RoleDbm getInstance() {
        return _instance;
    }

    // ===================================================================================
    //                                                                       Current DBDef

    //                                                                             =======
    @Override
    public CrawlingInfoParamDbm asDBMeta() {
        return CrawlingInfoParamDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "crawling_info_param";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;

    callback: DnsResolver.Callback<List<InetAddress>>,
  ) {
    responder(Request(network, domain, nsType, flags, callback))
  }

  companion object {
    @Implementation
    @JvmStatic
    fun getInstance(): DnsResolver = Shadow.newInstance(DnsResolver::class.java, arrayOf(), arrayOf())
  }

    //                                                                             =======
    @Override
    public CrawlingInfoDbm asDBMeta() {
        return CrawlingInfoDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "crawling_info";
    }

    // ===================================================================================

    //                                                                             =======
    @Override
    public CrawlingInfoParamDbm asDBMeta() {
        return CrawlingInfoParamDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "crawling_info_param";
    }

    // ===================================================================================

    }

    /**
     * @return
     */
    private CIFSContext getTransportContext() {
        if (this.transportContext == null) {
            this.transportContext = SingletonContext.getInstance();
        }
        return this.transportContext;
    }

    @Override
    protected void parseURL(final URL u, String spec, final int start, int limit) {
        final String host = u.getHost();