public void setRouteResponseKey(String routeResponseKey) {
        this.routeResponseKey = routeResponseKey;
    }
<p>
The route response key.
</p>

@param routeResponseKey
       The route response key.
aws-java-sdk-apigatewayv2/src/main/java/com/amazonaws/services/apigatewayv2/model/UpdateRouteResponseRequest.java