return; case GenModelPackage.GEN_PACKAGE__REFLECTION_PACKAGE_SUFFIX: setReflectionPackageSuffix(REFLECTION_PACKAGE_SUFFIX_EDEFAULT);
  public void eUnset(EStructuralFeature eFeature)  {    switch (eDerivedStructuralFeatureID(eFeature))    {      case GenModelPackage.GEN_PACKAGE__PREFIX:        setPrefix(PREFIX_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__BASE_PACKAGE:        setBasePackage(BASE_PACKAGE_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__RESOURCE:        setResource(RESOURCE_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__DISPOSABLE_PROVIDER_FACTORY:        setDisposableProviderFactory(DISPOSABLE_PROVIDER_FACTORY_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__ADAPTER_FACTORY:        setAdapterFactory(ADAPTER_FACTORY_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__LOAD_INITIALIZATION:        setLoadInitialization(LOAD_INITIALIZATION_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__INTERFACE_PACKAGE_SUFFIX:        setInterfacePackageSuffix(INTERFACE_PACKAGE_SUFFIX_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__CLASS_PACKAGE_SUFFIX:        setClassPackageSuffix(CLASS_PACKAGE_SUFFIX_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__UTILITY_PACKAGE_SUFFIX:        setUtilityPackageSuffix(UTILITY_PACKAGE_SUFFIX_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__PROVIDER_PACKAGE_SUFFIX:        setProviderPackageSuffix(PROVIDER_PACKAGE_SUFFIX_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__PRESENTATION_PACKAGE_SUFFIX:        setPresentationPackageSuffix(PRESENTATION_PACKAGE_SUFFIX_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__TESTS_PACKAGE_SUFFIX:        setTestsPackageSuffix(TESTS_PACKAGE_SUFFIX_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__GENERATE_EXAMPLE_CLASS:        setGenerateExampleClass(GENERATE_EXAMPLE_CLASS_EDEFAULT);        return;      case GenModelPackage.GEN_PACKAGE__ECORE_PACKAGE:        setEcorePackage((EPackage)null);        return;      case GenModelPackage.GEN_PACKAGE__GEN_MODEL:        setGenModel((GenModel)null);        return;      case GenModelPackage.GEN_PACKAGE__GEN_ENUMS:        getGenEnums().clear();        return;      case GenModelPackage.GEN_PACKAGE__GEN_DATA_TYPES:        getGenDataTypes().clear();        return;      case GenModelPackage.GEN_PACKAGE__GEN_CLASSES:        getGenClasses().clear();        return;      case GenModelPackage.GEN_PACKAGE__NESTED_GEN_PACKAGES:        getNestedGenPackages().clear();        return;    }    eDynamicUnset(eFeature);  }