public DataBusResolverContext(DataBusConfigurer configurer)
 {
     if (configurer == null)
     {
         throw new ArgumentNullException("configurer");
     }
     _configurer = configurer;
 }
 internal DataBusOptions(DataBusConfigurer dataBusConfigurer)
 {
     _dataBusConfigurer = dataBusConfigurer;
 }