code: public CloudJobSchedule getJobSchedule(String jobScheduleId, DetailLevel detailLevel) throws BatchErrorException, IOException {
          return getJobSchedule(jobScheduleId, detailLevel, null);
      }
docs: Gets the specified {@link CloudJobSchedule}.
  
  @param jobScheduleId The ID of the job schedule.
  @param detailLevel A {@link DetailLevel} used for controlling which properties are retrieved from the service.
  @return A {@link CloudJobSchedule} containing information about the specified Azure Batch job schedule.
  @throws BatchErrorException Exception thrown when an error response is received from the Batch service.
  @throws IOException Exception thrown when there is an error in serialization/deserialization of data sent to/received from the Batch service.