code: @Override
      public ReplaceTransitGatewayRouteResult replaceTransitGatewayRoute(ReplaceTransitGatewayRouteRequest request) {
          request = beforeClientExecution(request);
          return executeReplaceTransitGatewayRoute(request);
      }
docs: <p>
  Replaces the specified route in the specified transit gateway route table.
  </p>
  
  @param replaceTransitGatewayRouteRequest
  @return Result of the ReplaceTransitGatewayRoute operation returned by the service.
  @sample AmazonEC2.ReplaceTransitGatewayRoute
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/ReplaceTransitGatewayRoute" target="_top">AWS
  API Documentation</a>