import type { ComponentPublicInstance, VNode, VNodeChild } from 'vue';
export declare function flatten(vNodes: any): VNode<import("vue").RendererNode, import("vue").RendererElement, {
    [key: string]: any;
}>[];
export declare function getSlot(instance: ComponentPublicInstance, slotName?: string, fallback?: VNodeChild[]): VNodeChild[];
export declare function getFirstVNode(instance: ComponentPublicInstance, slotName?: string): VNode<import("vue").RendererNode, import("vue").RendererElement, {
    [key: string]: any;
}>;