docs: public void marshall(File file, ProtocolMarshaller protocolMarshaller) {
  
          if (file == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(file.getBlobId(), BLOBID_BINDING);
              protocolMarshaller.marshall(file.getAbsolutePath(), ABSOLUTEPATH_BINDING);
              protocolMarshaller.marshall(file.getRelativePath(), RELATIVEPATH_BINDING);
              protocolMarshaller.marshall(file.getFileMode(), FILEMODE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }