docs: public void marshall(Crawler crawler, ProtocolMarshaller protocolMarshaller) {
  
          if (crawler == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(crawler.getName(), NAME_BINDING);
              protocolMarshaller.marshall(crawler.getRole(), ROLE_BINDING);
              protocolMarshaller.marshall(crawler.getTargets(), TARGETS_BINDING);
              protocolMarshaller.marshall(crawler.getDatabaseName(), DATABASENAME_BINDING);
              protocolMarshaller.marshall(crawler.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(crawler.getClassifiers(), CLASSIFIERS_BINDING);
              protocolMarshaller.marshall(crawler.getSchemaChangePolicy(), SCHEMACHANGEPOLICY_BINDING);
              protocolMarshaller.marshall(crawler.getState(), STATE_BINDING);
              protocolMarshaller.marshall(crawler.getTablePrefix(), TABLEPREFIX_BINDING);
              protocolMarshaller.marshall(crawler.getSchedule(), SCHEDULE_BINDING);
              protocolMarshaller.marshall(crawler.getCrawlElapsedTime(), CRAWLELAPSEDTIME_BINDING);
              protocolMarshaller.marshall(crawler.getCreationTime(), CREATIONTIME_BINDING);
              protocolMarshaller.marshall(crawler.getLastUpdated(), LASTUPDATED_BINDING);
              protocolMarshaller.marshall(crawler.getLastCrawl(), LASTCRAWL_BINDING);
              protocolMarshaller.marshall(crawler.getVersion(), VERSION_BINDING);
              protocolMarshaller.marshall(crawler.getConfiguration(), CONFIGURATION_BINDING);
              protocolMarshaller.marshall(crawler.getCrawlerSecurityConfiguration(), CRAWLERSECURITYCONFIGURATION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }