public void setVirtualService(GatewayRouteVirtualService virtualService) {
        this.virtualService = virtualService;
    }
<p>
An object that represents a virtual service gateway route target.
</p>

@param virtualService
       An object that represents a virtual service gateway route target.
aws-java-sdk-appmesh/src/main/java/com/amazonaws/services/appmesh/model/GatewayRouteTarget.java