code: public void acknowledgeAlarm(Alarm alarm, ManagedEntity entity) throws RuntimeFault, RemoteException {
          getVimService().acknowledgeAlarm(getMOR(), alarm.getMOR(), entity.getMOR());
      }
docs: Acknowledge the alarm for a managed entity.
  
  @param alarm
  The {@link Alarm} to acknowledge.
  @param entity
  The {@link ManagedEntity} which the alarm applies to.
  @throws RuntimeFault
  if any unhandled runtime fault occurs
  @throws RemoteException
  @since 4.0