@CustomType.Setter
        public Builder apiGroup(@Nullable String apiGroup) {

            this.apiGroup = apiGroup;
            return this;
        }
@return Namespace that contains the referenced resource. Must be empty for cluster-scoped resources and non-empty for namespaced resources.
sdk/java/src/main/java/com/pulumi/kubernetes/resource/v1alpha1/outputs/ResourceClassParametersReference.java