docs: public void marshall(Comment comment, ProtocolMarshaller protocolMarshaller) {
  
          if (comment == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(comment.getCommentId(), COMMENTID_BINDING);
              protocolMarshaller.marshall(comment.getContent(), CONTENT_BINDING);
              protocolMarshaller.marshall(comment.getInReplyTo(), INREPLYTO_BINDING);
              protocolMarshaller.marshall(comment.getCreationDate(), CREATIONDATE_BINDING);
              protocolMarshaller.marshall(comment.getLastModifiedDate(), LASTMODIFIEDDATE_BINDING);
              protocolMarshaller.marshall(comment.getAuthorArn(), AUTHORARN_BINDING);
              protocolMarshaller.marshall(comment.getDeleted(), DELETED_BINDING);
              protocolMarshaller.marshall(comment.getClientRequestToken(), CLIENTREQUESTTOKEN_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }