public List<String> categories() {
        return this.categories == null ? List.of() : this.categories;
    }
@return categories is a list of grouped resources this custom resource belongs to (e.g. &#39;all&#39;). This is published in API discovery documents, and used by clients to support invocations like `kubectl get all`.
sdk/java/src/main/java/com/pulumi/kubernetes/apiextensions/v1/outputs/CustomResourceDefinitionNames.java