code: public ServiceFuture<BandwidthScheduleInner> beginCreateOrUpdateAsync(String deviceName, String name, String resourceGroupName, BandwidthScheduleInner parameters, final ServiceCallback<BandwidthScheduleInner> serviceCallback) {
          return ServiceFuture.fromResponse(beginCreateOrUpdateWithServiceResponseAsync(deviceName, name, resourceGroupName, parameters), serviceCallback);
      }
docs: Creates or updates a bandwidth schedule.
  
  @param deviceName The device name.
  @param name The bandwidth schedule name which needs to be added/updated.
  @param resourceGroupName The resource group name.
  @param parameters The bandwidth schedule to be added or updated.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object