import type { Ref, VNode } from 'vue';
export declare const OnlyChild: import("vue").DefineComponent<{}, () => VNode<import("vue").RendererNode, import("vue").RendererElement, {
    [key: string]: any;
}> | null, {}, {}, {}, import("vue").ComponentOptionsMixin, import("vue").ComponentOptionsMixin, import("vue").EmitsOptions, string, import("vue").VNodeProps & import("vue").AllowedComponentProps & import("vue").ComponentCustomProps, Readonly<import("vue").ExtractPropTypes<{}>>, {}>;
export declare type OnlyChildExpose = {
    forwardRef: Ref<HTMLElement>;
};