docs: @Override
      public void stop(BundleContext context) {
  
          if (systemConfigSupport != null) {
              systemConfigSupport.stop();
              systemConfigSupport = null;
          }
  
          if (configAdminServiceFactory != null) {
              this.configAdminServiceFactory.closeServices();
              this.configAdminServiceFactory = null;
          }
  
          if (null != locationTracker) {
              locationTracker.close();
              locationTracker = null;
          }
  
          if (null != variableRegistryTracker) {
              variableRegistryTracker.close();
              variableRegistryTracker = null;
          }
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
              Tr.debug(tc, "WSConfigActivator.stop():  ConfigurationAdmin bundle stopped.");
      }