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