code: public ServiceFuture<SubscriptionQuotasListResultInner> listQuotasAsync(String location, final ServiceCallback<SubscriptionQuotasListResultInner> serviceCallback) {
          return ServiceFuture.fromResponse(listQuotasWithServiceResponseAsync(location), serviceCallback);
      }
docs: Retrieves the subscription's current quota information in a particular region.
  
  @param location The region in which to retrieve the subscription's quota information. You can find out which regions Azure Stream Analytics is supported in here: https://azure.microsoft.com/en-us/regions/
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object