define(this, KEY_IGNORE, true)

        this._rules = []
        this._ignoreCase = ignoreCase
        this._allowRelativePaths = allowRelativePaths
        this._initCache()
    }

    _initCache () {
        this._ignoreCache = Object.create(null)
        this._testCache = Object.create(null)
    }

    _addPattern (pattern) {
        // #32

        this.in = new DatagramPacket(this.rcv_buf, tc.getConfig().getNetbiosRcvBufSize());
        this.resolveOrder = tc.getConfig().getResolveOrder();

        initCache(tc);
    }

    static final class CacheEntry {

        Name hostName;
        NbtAddress address;
        long expiration;