docs: void addNeighbour(Neighbour neighbour)
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "addNeighbour", neighbour);
  
      final Neighbour[] tmp = new Neighbour[iNeighbours.length + 1];
      System.arraycopy(iNeighbours, 0, tmp, 0, iNeighbours.length);
      tmp[iNeighbours.length] = neighbour;
  
      iNeighbours = tmp;
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "addNeighbour");
    }