docs: public void marshall(EventSubscription eventSubscription, ProtocolMarshaller protocolMarshaller) {
  
          if (eventSubscription == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(eventSubscription.getCustomerAwsId(), CUSTOMERAWSID_BINDING);
              protocolMarshaller.marshall(eventSubscription.getCustSubscriptionId(), CUSTSUBSCRIPTIONID_BINDING);
              protocolMarshaller.marshall(eventSubscription.getSnsTopicArn(), SNSTOPICARN_BINDING);
              protocolMarshaller.marshall(eventSubscription.getStatus(), STATUS_BINDING);
              protocolMarshaller.marshall(eventSubscription.getSubscriptionCreationTime(), SUBSCRIPTIONCREATIONTIME_BINDING);
              protocolMarshaller.marshall(eventSubscription.getSourceType(), SOURCETYPE_BINDING);
              protocolMarshaller.marshall(eventSubscription.getSourceIdsList(), SOURCEIDSLIST_BINDING);
              protocolMarshaller.marshall(eventSubscription.getEventCategoriesList(), EVENTCATEGORIESLIST_BINDING);
              protocolMarshaller.marshall(eventSubscription.getEnabled(), ENABLED_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }