import { Component, InjectionKey, Ref } from 'vue';
export declare function tryOnMounted(hook: () => unknown, sync?: boolean): void;
type ChildrenTracker<T extends Component = Component> = {
    register: (item: T) => void;
    unregister: (item: T) => void;
};
export type ChildrenTrackerInjectionKey<T extends Component = Component> = InjectionKey<ChildrenTracker<T>>;
export declare function provideChildrenTracker<T extends Component = Component>(symbol: symbol | ChildrenTrackerInjectionKey<T>): Ref<T[]>;
export declare function useChildrenTracker(symbol: symbol | ChildrenTrackerInjectionKey): ChildrenTracker<Component> | null;
export {};