docs: public int getLocalBusinessInterfaceIndex(String interfaceName) {
          if (ivBusinessLocalInterfaceClasses != null) {
              for (int i = 0; i < ivBusinessLocalInterfaceClasses.length; i++) {
                  String bInterfaceName = ivBusinessLocalInterfaceClasses[i].getName();
                  if (bInterfaceName.equals(interfaceName)) {
                      if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
                          Tr.debug(tc, "getLocalBusinessInterfaceIndex : " +
                                       bInterfaceName + " at index " + i);
                      return i;
                  }
              }
          }
  
          return -1;
      }