return childUrlSet;
    }

    /**
     * Set the child URL set.
     * @param childUrlSet the set of request data to set as child URLs
     */
    public void setChildUrlSet(final Set<RequestData> childUrlSet) {
        this.childUrlSet = childUrlSet;
    }

    /**
     * Get the encoding.
     * @return encoding
     */
    public String getEncoding() {