{
    switch (featureID)
    {
      case ChangePackage.EOBJECT_TO_CHANGES_MAP_ENTRY__KEY:
        setTypedKey((EObject)null);
        return;
      case ChangePackage.EOBJECT_TO_CHANGES_MAP_ENTRY__VALUE:
        getTypedValue().clear();
        return;
    }
    super.eUnset(featureID);
  }