public List<HPAScalingPolicy> policies() {
        return this.policies == null ? List.of() : this.policies;
    }
@return policies is a list of potential scaling polices which can be used during scaling. At least one policy must be specified, otherwise the HPAScalingRules will be discarded as invalid
sdk/java/src/main/java/com/pulumi/kubernetes/autoscaling/v2beta2/outputs/HPAScalingRules.java