@Override
    public EditPropertyContainer getProperties(AntInstallation ant) {
      EditPropertyContainer properties = myWorkingProperties.get(ant);
      if (properties != null) return properties;
      properties = new EditPropertyContainer(myGlobalWorkingProperties, ant.getProperties());

      myWorkingProperties.put(ant, properties);
      return properties;
    }
@Override
    public EditPropertyContainer getProperties(AntInstallation ant)