code: public CertificatePolicy updateCertificatePolicy(UpdateCertificatePolicyRequest updateCertificatePolicyRequest) {
          return updateCertificatePolicy(updateCertificatePolicyRequest.vaultBaseUrl(),
                  updateCertificatePolicyRequest.certificateName(), updateCertificatePolicyRequest.certificatePolicy());
      }
docs: Updates the policy for a certificate. Set appropriate members in the
  certificatePolicy that must be updated. Leave others as null.
  
  @param updateCertificatePolicyRequest
  the grouped properties for updating a certificate policy request
  @return the CertificatePolicy if successful.