public Optional<Output<String>> apiVersion() {
        return Optional.ofNullable(this.apiVersion);
    }
@return APIVersion is the API group version the resources belong to. In format of &#34;group/version&#34;. Required.
sdk/java/src/main/java/com/pulumi/kubernetes/admissionregistration/v1alpha1/inputs/ParamKindPatchArgs.java