code: public ServiceFuture<ProviderInner> unregisterAsync(String resourceProviderNamespace, final ServiceCallback<ProviderInner> serviceCallback) {
          return ServiceFuture.fromResponse(unregisterWithServiceResponseAsync(resourceProviderNamespace), serviceCallback);
      }
docs: Unregisters a subscription from a resource provider.
  
  @param resourceProviderNamespace The namespace of the resource provider to unregister.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object