How to use

eUnset

method

in

org.eclipse.incquery.patternlanguage.patternLanguage.impl.PatternModelImpl

/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
@Override
public void eUnset(int featureID)
{
 switch (featureID)
 {
  case EMFPatternLanguagePackage.PATTERN_MODEL__IMPORT_PACKAGES:
   setImportPackages((XImportSection)null);
   return;
 }
 super.eUnset(featureID);
}