code: public CertificatePolicy getCertificatePolicy(String vaultBaseUrl, String certificateName) {
          return getCertificatePolicyWithServiceResponseAsync(vaultBaseUrl, certificateName).toBlocking().single().body();
      }
docs: Lists the policy for a certificate.
  The GetCertificatePolicy operation returns the specified certificate policy resources in the specified key vault. 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 in a given key vault.
  @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 CertificatePolicy object if successful.