code: @Override
  	public boolean eIsSet(int featureID)
  	{
  		switch (featureID)
  		{
  			case TypesPackage.JVM_SPECIALIZED_TYPE_REFERENCE__EQUIVALENT:
  				return equivalent != null;
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated