docs: @Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case DroolsPackage.DOCUMENT_ROOT__MIXED:
  				getMixed().clear();
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__XMLNS_PREFIX_MAP:
  				getXMLNSPrefixMap().clear();
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__XSI_SCHEMA_LOCATION:
  				getXSISchemaLocation().clear();
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__GLOBAL:
  				setGlobal((GlobalType)null);
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__IMPORT:
  				setImport((ImportType)null);
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__META_DATA:
  				setMetaData((MetaDataType)null);
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__ON_ENTRY_SCRIPT:
  				setOnEntryScript((OnEntryScriptType)null);
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__ON_EXIT_SCRIPT:
  				setOnExitScript((OnExitScriptType)null);
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__PACKAGE_NAME:
  				setPackageName(PACKAGE_NAME_EDEFAULT);
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__PRIORITY:
  				setPriority(PRIORITY_EDEFAULT);
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__RULE_FLOW_GROUP:
  				setRuleFlowGroup(RULE_FLOW_GROUP_EDEFAULT);
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__TASK_NAME:
  				setTaskName(TASK_NAME_EDEFAULT);
  				return;
  			case DroolsPackage.DOCUMENT_ROOT__VERSION:
  				setVersion(VERSION_EDEFAULT);
  				return;
  		}
  		super.eUnset(featureID);
  	}