code: public ServiceFuture<Void> addAsync(CertificateAddParameter certificate, CertificateAddOptions certificateAddOptions, final ServiceCallback<Void> serviceCallback) {
          return ServiceFuture.fromHeaderResponse(addWithServiceResponseAsync(certificate, certificateAddOptions), serviceCallback);
      }
docs: Adds a certificate to the specified account.
  
  @param certificate The certificate to be added.
  @param certificateAddOptions Additional parameters for the operation
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object