code: public ServiceFuture<List<CloudJobSchedule>> listAsync(final JobScheduleListOptions jobScheduleListOptions, final ListOperationCallback<CloudJobSchedule> serviceCallback) {
          return AzureServiceFuture.fromHeaderPageResponse(
              listSinglePageAsync(jobScheduleListOptions),
              new Func1<String, Observable<ServiceResponseWithHeaders<Page<CloudJobSchedule>, JobScheduleListHeaders>>>() {
                  @Override
                  public Observable<ServiceResponseWithHeaders<Page<CloudJobSchedule>, JobScheduleListHeaders>> call(String nextPageLink) {
                      JobScheduleListNextOptions jobScheduleListNextOptions = null;
                      if (jobScheduleListOptions != null) {
                          jobScheduleListNextOptions = new JobScheduleListNextOptions();
                          jobScheduleListNextOptions.withClientRequestId(jobScheduleListOptions.clientRequestId());
                          jobScheduleListNextOptions.withReturnClientRequestId(jobScheduleListOptions.returnClientRequestId());
                          jobScheduleListNextOptions.withOcpDate(jobScheduleListOptions.ocpDate());
                      }
                      return listNextSinglePageAsync(nextPageLink, jobScheduleListNextOptions);
                  }
              },
              serviceCallback);
      }
docs: Lists all of the job schedules in the specified account.
  
  @param jobScheduleListOptions Additional parameters for the operation
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object