transformer.setName("fileTransformer");
                    transformer.setFeatureMap(featureMap);
                    transformer.setPropertyMap(propertyMap);
                    transformer.setChildUrlRuleMap(childUrlRuleMap);
                })
                .singleton("dataHelper", MemoryDataHelper.class)
                .singleton("robotsTxtHelper", RobotsTxtHelper.class)

        return childUrlRuleMap;
    }

    /**
     * Sets the map of child URL extraction rules.
     *
     * @param childUrlRuleMap the child URL rule map to set
     */
    public void setChildUrlRuleMap(final Map<String, String> childUrlRuleMap) {
        this.childUrlRuleMap = childUrlRuleMap;
    }

    /**
     * Gets the default character encoding.
     *
     * @return the default encoding