code: @Modified
      protected synchronized void modified(Map<String, Object> cfwConfiguration) {
  
          if (null == cfwConfiguration) {
              return;
          }
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
              Tr.event(this, tc, "Processing config", cfwConfiguration);
          }
  
          this.chfw.updateConfig(cfwConfiguration);
      }
docs: Modified method. This method is called when the
  service properties associated with the service are updated through a
  configuration change.
  
  @param cfwConfiguration
  the configuration data