docs: public AppServiceCertificateResourceInner beginCreateOrUpdateCertificate(String resourceGroupName, String certificateOrderName, String name, AppServiceCertificateResourceInner keyVaultCertificate) {
          return beginCreateOrUpdateCertificateWithServiceResponseAsync(resourceGroupName, certificateOrderName, name, keyVaultCertificate).toBlocking().single().body();
      }