code: @Override
      public CreateKeysAndCertificateResult createKeysAndCertificate(CreateKeysAndCertificateRequest request) {
          request = beforeClientExecution(request);
          return executeCreateKeysAndCertificate(request);
      }
docs: <p>
  Creates a 2048-bit RSA key pair and issues an X.509 certificate using the issued public key.
  </p>
  <p>
  <b>Note</b> This is the only time AWS IoT issues the private key for this certificate, so it is important to keep
  it in a secure location.
  </p>
  
  @param createKeysAndCertificateRequest
  The input for the CreateKeysAndCertificate operation.
  @return Result of the CreateKeysAndCertificate operation returned by the service.
  @throws InvalidRequestException
  The request is not valid.
  @throws ThrottlingException
  The rate exceeds the limit.
  @throws UnauthorizedException
  You are not authorized to perform this operation.
  @throws ServiceUnavailableException
  The service is temporarily unavailable.
  @throws InternalFailureException
  An unexpected error has occurred.
  @sample AWSIot.CreateKeysAndCertificate