code: public List<Task> batchPollTasksByTaskType(String taskType, String workerId, int count, int timeoutInMillisecond) {
          Preconditions.checkArgument(StringUtils.isNotBlank(taskType), "Task type cannot be blank");
          Preconditions.checkArgument(StringUtils.isNotBlank(workerId), "Worker id cannot be blank");
          Preconditions.checkArgument(count > 0, "Count must be greater than 0");
  
          Object[] params = new Object[]{"workerid", workerId, "count", count, "timeout", timeoutInMillisecond};
          List<Task> tasks = getForEntity("tasks/poll/batch/{taskType}", params, taskList, taskType);
          tasks.forEach(this::populateTaskInput);
          return tasks;
      }
docs: Perform a batch poll for tasks by task type. Batch size is configurable by count.
  
  @param taskType             Type of task to poll for
  @param workerId             Name of the client worker. Used for logging.
  @param count                Maximum number of tasks to be returned. Actual number of tasks returned can be less than this number.
  @param timeoutInMillisecond Long poll wait timeout.
  @return List of tasks awaiting to be executed.