public CrossVersionObjectReference scaleTargetRef() {
        return this.scaleTargetRef;
    }
@return reference to scaled resource; horizontal pod autoscaler will learn the current resource consumption and will set the desired number of pods by using its Scale subresource.
sdk/java/src/main/java/com/pulumi/kubernetes/autoscaling/v1/outputs/HorizontalPodAutoscalerSpec.java