public Optional<Output<List<String>>> apiGroups() {
        return Optional.ofNullable(this.apiGroups);
    }
@return `apiGroups` is a list of matching API groups and may not be empty. &#34;*&#34; matches all API groups and, if present, must be the only entry. Required.
sdk/java/src/main/java/com/pulumi/kubernetes/flowcontrol/v1beta2/inputs/ResourcePolicyRulePatchArgs.java