code: public ServiceFuture<SubscriptionMediaServiceInner> getBySubscriptionAsync(String accountName, final ServiceCallback<SubscriptionMediaServiceInner> serviceCallback) {
          return ServiceFuture.fromResponse(getBySubscriptionWithServiceResponseAsync(accountName), serviceCallback);
      }
docs: Get a Media Services account.
  Get the details of a Media Services account.
  
  @param accountName The Media Services account name.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object