SystemInformation systemInformation = (SystemInformation) getChildItem(DomainModel.SYSTEM_INFORMATION); removeChildItem(DomainModel.SYSTEM_INFORMATION); destroyChildItem(systemInformation);
SystemInformation systemInformation = (SystemInformation) getChild(KnowledgeModel.SYSTEM_INFORMATION); removeChild(KnowledgeModel.SYSTEM_INFORMATION); destroyChild(systemInformation);
    public void finalizz() throws Exception {        Configuration c = (Configuration) getChildItem(DomainModel.CONFIGURATION);        if (c != null) {            SystemInformation systemInformation = (SystemInformation) getChildItem(DomainModel.SYSTEM_INFORMATION);            removeChildItem(DomainModel.SYSTEM_INFORMATION);            destroyChildItem(systemInformation);        } else {            throw new Exception("Could not finalize domain model. The configuration is null.");        }        super.finalizz();    }