this.propertyMap = propertyMap;
    }

    /**
     * Gets the map of child URL extraction rules.
     *
     * @return the child URL rule map
     */
    public Map<String, String> getChildUrlRuleMap() {
        return childUrlRuleMap;
    }

    /**
     * Sets the map of child URL extraction rules.
     *
     * @param childUrlRuleMap the child URL rule map to set
     */