@Override
    public String provideDefaultPath() {
        return harborConfig.getCookieDefaultPath();
    }

    @Override
    public Integer provideDefaultExpire() {
        return harborConfig.getCookieDefaultExpireAsInteger();
    }

    @Override
    public InvertibleCryptographer provideCipher() {
        return cookieCipher;
    }

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getCookieDefaultExpireAsInteger();

    /**
     * Get the value for the key 'session.tracking.modes'. <br>
     * The value is, e.g. cookie <br>