import type { VNode, InjectionKey, VNodeNormalizedChildren, ComponentInternalInstance } from 'vue'; export declare function flattenVNodes(children: VNodeNormalizedChildren, childName?: string): VNode[]; export declare function sortChildren(parent: ComponentInternalInstance, internalChildren: ComponentInternalInstance[], childName?: string): void; export declare function useProvide(key: InjectionKey, childName?: string): (value?: ProvideValue) => { internalChildren: ComponentInternalInstance[]; };