code: public ForeignBusDefinition getForeignBus(String busName) {
          if (TraceComponent.isAnyTracingEnabled()
              && tc.isEntryEnabled())
              SibTr.entry(tc, "getForeignBus", busName);
  
          JsBus jsBus = (JsBus) _engine.getBus();
          ForeignBusDefinition foreignBusDefinition = jsBus
                          .getForeignBus(busName);
  
          if (TraceComponent.isAnyTracingEnabled()
              && tc.isEntryEnabled())
              SibTr.exit(tc, "getForeignBus", foreignBusDefinition);
  
          return foreignBusDefinition;
      }
docs: <p>
  Get the definition for the named foreign bus
  </p>
  
  @param busName
  @return