Configuration c = (Configuration) getChildItem(Family.CONFIGURATION);
Configuration c = (Configuration) getChild(Family.CONFIGURATION);
    public void configure() throws Exception {        super.configure();        Configuration c = (Configuration) getChildItem(Family.CONFIGURATION);        if (c != null) {            setChildCategory(Family.AVAILABLE_SYSTEMS_CATEGORY, c.getChildItem(Family.AVAILABLE_SYSTEMS_CATEGORY, getDefaultAvailableSystemsCategory()));            setChildCategory(Family.SYSTEMS_COUNT_CATEGORY, c.getChildItem(Family.SYSTEMS_COUNT_CATEGORY, getDefaultSystemsCountCategory()));            setChildCategory(Family.SYSTEM_CONFIGURATION_LOCATION_CATEGORY, c.getChildItem(Family.SYSTEM_CONFIGURATION_LOCATION_CATEGORY, getDefaultSystemConfigurationLocationCategory()));            setChildCategory(Family.SYSTEM_CATEGORY, c.getChildItem(Family.SYSTEM_CATEGORY, getDefaultSystemCategory()));            setChildCategory(Family.EXTERNAL_SYSTEMS_COUNT_CATEGORY, c.getChildItem(Family.EXTERNAL_SYSTEMS_COUNT_CATEGORY, getDefaultExternalSystemsCountCategory()));            setChildCategory(Family.EXTERNAL_SYSTEM_COMMAND_CATEGORY, c.getChildItem(Family.EXTERNAL_SYSTEM_COMMAND_CATEGORY, getDefaultExternalSystemCommandCategory()));            setChildCategory(Family.EXTERNAL_SYSTEM_CATEGORY, c.getChildItem(Family.EXTERNAL_SYSTEM_CATEGORY, getDefaultExternalSystemCategory()));        } else {            java.lang.System.out.println("WARNING: Could not configure family. The configuration is null.");        }    }