import type { Ref, VNode } from 'vue'; export declare const OnlyChild: import("vue").DefineComponent<{}, () => VNode | null, {}, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, {}, string, import("vue").PublicProps, Readonly>, {}, {}>; export type OnlyChildExpose = { forwardRef: Ref; };