docs: public void marshall(DataSource dataSource, ProtocolMarshaller protocolMarshaller) {
  
          if (dataSource == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(dataSource.getDataSourceId(), DATASOURCEID_BINDING);
              protocolMarshaller.marshall(dataSource.getDataLocationS3(), DATALOCATIONS3_BINDING);
              protocolMarshaller.marshall(dataSource.getDataRearrangement(), DATAREARRANGEMENT_BINDING);
              protocolMarshaller.marshall(dataSource.getCreatedByIamUser(), CREATEDBYIAMUSER_BINDING);
              protocolMarshaller.marshall(dataSource.getCreatedAt(), CREATEDAT_BINDING);
              protocolMarshaller.marshall(dataSource.getLastUpdatedAt(), LASTUPDATEDAT_BINDING);
              protocolMarshaller.marshall(dataSource.getDataSizeInBytes(), DATASIZEINBYTES_BINDING);
              protocolMarshaller.marshall(dataSource.getNumberOfFiles(), NUMBEROFFILES_BINDING);
              protocolMarshaller.marshall(dataSource.getName(), NAME_BINDING);
              protocolMarshaller.marshall(dataSource.getStatus(), STATUS_BINDING);
              protocolMarshaller.marshall(dataSource.getMessage(), MESSAGE_BINDING);
              protocolMarshaller.marshall(dataSource.getRedshiftMetadata(), REDSHIFTMETADATA_BINDING);
              protocolMarshaller.marshall(dataSource.getRDSMetadata(), RDSMETADATA_BINDING);
              protocolMarshaller.marshall(dataSource.getRoleARN(), ROLEARN_BINDING);
              protocolMarshaller.marshall(dataSource.getComputeStatistics(), COMPUTESTATISTICS_BINDING);
              protocolMarshaller.marshall(dataSource.getComputeTime(), COMPUTETIME_BINDING);
              protocolMarshaller.marshall(dataSource.getFinishedAt(), FINISHEDAT_BINDING);
              protocolMarshaller.marshall(dataSource.getStartedAt(), STARTEDAT_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }