code: public CertificateOperation getCertificateOperation(String vaultBaseUrl, String certificateName) {
          return getCertificateOperationWithServiceResponseAsync(vaultBaseUrl, certificateName).toBlocking().single().body();
      }
docs: Gets the creation operation of a certificate.
  Gets the creation operation associated with a specified certificate. This operation requires the certificates/get permission.
  
  @param vaultBaseUrl The vault name, for example https://myvault.vault.azure.net.
  @param certificateName The name of the certificate.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws KeyVaultErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the CertificateOperation object if successful.