public List<String> apiGroups() {
        return this.apiGroups == null ? List.of() : this.apiGroups;
    }
@return APIGroups is the API groups the resources belong to. &#39;*&#39; is all groups. If &#39;*&#39; is present, the length of the slice must be one. Required.
sdk/java/src/main/java/com/pulumi/kubernetes/admissionregistration/v1/outputs/NamedRuleWithOperationsPatch.java