code: BusGroup getBus()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
      {
        SibTr.entry(tc, "getBus");
        SibTr.exit(tc, "getBus", iBusGroup);
      }
  
      return iBusGroup;
    }
docs: Gets the Bus for this Neighbour
  
  @return BusGroup  The Bus that this Neighbour belongs to