code: public ServiceFuture<CertificateListDescriptionInner> listByIotHubAsync(String resourceGroupName, String resourceName, final ServiceCallback<CertificateListDescriptionInner> serviceCallback) {
          return ServiceFuture.fromResponse(listByIotHubWithServiceResponseAsync(resourceGroupName, resourceName), serviceCallback);
      }
docs: Get the certificate list.
  Returns the list of certificates.
  
  @param resourceGroupName The name of the resource group that contains the IoT hub.
  @param resourceName The name of the IoT hub.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object