public Optional<Output<ScaleIOPersistentVolumeSourceArgs>> scaleIO() {
        return Optional.ofNullable(this.scaleIO);
    }
@return scaleIO represents a ScaleIO persistent volume attached and mounted on Kubernetes nodes. Deprecated: ScaleIO is deprecated and the in-tree scaleIO type is no longer supported.
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/inputs/PersistentVolumeSpecArgs.java