code: public ListThumbnailJobsResponse listThumbnailJobs(ListThumbnailJobsRequest request) {
          checkStringNotEmpty(request.getPipeline(), "The parameter pipelineName should NOT be null or empty string.");
          InternalRequest internalRequest = createRequest(HttpMethodName.GET, request, THUMBNAIL);
          internalRequest.addParameter("pipelineName", request.getPipeline()); 
          return invokeHttpClient(internalRequest, ListThumbnailJobsResponse.class);
      }
docs: List thumbnail jobs for a given pipeline.
  
  @param request The request object containing all options for creating new water mark.
  
  @return List of thumbnail jobs.