code: public void marshall(ParquetSerDe parquetSerDe, ProtocolMarshaller protocolMarshaller) {
  
          if (parquetSerDe == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(parquetSerDe.getBlockSizeBytes(), BLOCKSIZEBYTES_BINDING);
              protocolMarshaller.marshall(parquetSerDe.getPageSizeBytes(), PAGESIZEBYTES_BINDING);
              protocolMarshaller.marshall(parquetSerDe.getCompression(), COMPRESSION_BINDING);
              protocolMarshaller.marshall(parquetSerDe.getEnableDictionaryCompression(), ENABLEDICTIONARYCOMPRESSION_BINDING);
              protocolMarshaller.marshall(parquetSerDe.getMaxPaddingBytes(), MAXPADDINGBYTES_BINDING);
              protocolMarshaller.marshall(parquetSerDe.getWriterVersion(), WRITERVERSION_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.