code: public static TimeBaseObject createTimeBase (String timeBase)
      {
          TimeBaseObject object = _omgr.registerObject(new TimeBaseObject());
          _timeBases.put(timeBase, object);
          return object;
      }
docs: Creates a time base object which can subsequently be fetched by the client and used to send
  delta times.
  
  @param timeBase the name of the time base to create.
  
  @return the created and registered time base object.