public Optional<String> storageClassName() {
        return Optional.ofNullable(this.storageClassName);
    }
@return storageClassName is the name of StorageClass to which this persistent volume belongs. Empty value means that this volume does not belong to any StorageClass.
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/outputs/PersistentVolumeSpecPatch.java