docs: @Override
  	public boolean eIsSet(int featureID) {
  		switch (featureID) {
  			case BpsimPackage.PARAMETER_VALUE__INSTANCE:
  				return INSTANCE_EDEFAULT == null ? instance != null : !INSTANCE_EDEFAULT.equals(instance);
  			case BpsimPackage.PARAMETER_VALUE__RESULT:
  				return isSetResult();
  			case BpsimPackage.PARAMETER_VALUE__VALID_FOR:
  				return VALID_FOR_EDEFAULT == null ? validFor != null : !VALID_FOR_EDEFAULT.equals(validFor);
  		}
  		return super.eIsSet(featureID);
  	}