docs: private void stopChain(String name, Event event) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
              Tr.event(tc, "Stop chain event; chain=" + name);
          }
          ChannelFramework cf = ChannelFrameworkFactory.getChannelFramework();
          try {
              if (cf.isChainRunning(name)) {
                  // stop the chain now.. 
                  cf.stopChain(name, 0L);
              }
          } catch (Exception e) {
              FFDCFilter.processException(e, getClass().getName(), "stopChain", new Object[] { event, cf });
              if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
                  Tr.event(tc, "Error stopping chain; " + e);
              }
          }
      }