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

            this.listKind = listKind;
            return this;
        }
@return singular is the singular name of the resource. It must be all lowercase. Defaults to lowercased `kind`.
sdk/java/src/main/java/com/pulumi/kubernetes/apiextensions/v1beta1/outputs/CustomResourceDefinitionNames.java