code: public ServiceFuture<IntegrationAccountCertificateInner> createOrUpdateAsync(String resourceGroupName, String integrationAccountName, String certificateName, IntegrationAccountCertificateInner certificate, final ServiceCallback<IntegrationAccountCertificateInner> serviceCallback) {
          return ServiceFuture.fromResponse(createOrUpdateWithServiceResponseAsync(resourceGroupName, integrationAccountName, certificateName, certificate), serviceCallback);
      }
docs: Creates or updates an integration account certificate.
  
  @param resourceGroupName The resource group name.
  @param integrationAccountName The integration account name.
  @param certificateName The integration account certificate name.
  @param certificate The integration account certificate.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object