code: @Override
  	public boolean eIsSet(int featureID)
  	{
  		switch (featureID)
  		{
  			case TypesPackage.JVM_OPERATION__STATIC:
  				return static_ != STATIC_EDEFAULT;
  			case TypesPackage.JVM_OPERATION__FINAL:
  				return final_ != FINAL_EDEFAULT;
  			case TypesPackage.JVM_OPERATION__ABSTRACT:
  				return abstract_ != ABSTRACT_EDEFAULT;
  			case TypesPackage.JVM_OPERATION__RETURN_TYPE:
  				return returnType != null;
  			case TypesPackage.JVM_OPERATION__DEFAULT_VALUE:
  				return defaultValue != null;
  			case TypesPackage.JVM_OPERATION__SYNCHRONIZED:
  				return synchronized_ != SYNCHRONIZED_EDEFAULT;
  			case TypesPackage.JVM_OPERATION__DEFAULT:
  				return default_ != DEFAULT_EDEFAULT;
  			case TypesPackage.JVM_OPERATION__NATIVE:
  				return native_ != NATIVE_EDEFAULT;
  			case TypesPackage.JVM_OPERATION__STRICT_FLOATING_POINT:
  				return strictFloatingPoint != STRICT_FLOATING_POINT_EDEFAULT;
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated