code: @Override
      public EnableTransitGatewayRouteTablePropagationResult enableTransitGatewayRouteTablePropagation(EnableTransitGatewayRouteTablePropagationRequest request) {
          request = beforeClientExecution(request);
          return executeEnableTransitGatewayRouteTablePropagation(request);
      }
docs: <p>
  Enables the specified attachment to propagate routes to the specified propagation route table.
  </p>
  
  @param enableTransitGatewayRouteTablePropagationRequest
  @return Result of the EnableTransitGatewayRouteTablePropagation operation returned by the service.
  @sample AmazonEC2.EnableTransitGatewayRouteTablePropagation
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/EnableTransitGatewayRouteTablePropagation"
  target="_top">AWS API Documentation</a>