@Override
    public java.util.concurrent.Future<UpdateRoutingControlResult> updateRoutingControlAsync(UpdateRoutingControlRequest request) {

        return updateRoutingControlAsync(request, null);
    }
Returns the executor service used by this client to execute async requests.

@return The executor service used by this client to execute async requests.
aws-java-sdk-route53recoverycontrolconfig/src/main/java/com/amazonaws/services/route53recoverycontrolconfig/AWSRoute53RecoveryControlConfigAsyncClient.java