code: public ServiceFuture<CloudTask> getAsync(String jobId, String taskId, final ServiceCallback<CloudTask> serviceCallback) {
          return ServiceFuture.fromHeaderResponse(getWithServiceResponseAsync(jobId, taskId), serviceCallback);
      }
docs: Gets information about the specified task.
  For multi-instance tasks, information such as affinityId, executionInfo and nodeInfo refer to the primary task. Use the list subtasks API to retrieve information about subtasks.
  
  @param jobId The ID of the job that contains the task.
  @param taskId The ID of the task to get information about.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object