code: public void redactTransaction(String id, RedactRequest.Product product) throws IOException, NexmoClientException {
          this.redactTransaction(new RedactRequest(id, product));
      }
docs: Submit a request to the Redact API to redact a transaction.
  
  @param id      The transaction id to redact.
  @param product The {@link com.nexmo.client.redact.RedactRequest.Product} which corresponds to the transaction.
  
  @throws IOException          if a network error occurred contacting the Nexmo Redact API.
  @throws NexmoClientException if there was a problem with the Nexmo request or response objects.