import { type InjectionKey } from 'vue';
interface AtomTrait {
    __type: 'atom';
}
type Atom<T = any> = symbol & AtomTrait & InjectionKey<T>;
type AtomType<T> = T extends Atom<infer V> ? V : never;
export declare const atom: <T>(initialValue: T) => Atom<T>;
/** Extend TypeScript overloads of original inject */
export declare function inject<T>(key: Atom<T>): T;
export declare function inject<T>(key: InjectionKey<T> | string): T | undefined;
export declare function inject<T>(key: InjectionKey<T>, defaultValue: T, treatDefaultAsFactory?: false): T;
export declare function inject<T>(key: string, defaultValue: T, treatDefaultAsFactory?: false): unknown | T;
export declare function inject<T>(key: InjectionKey<T>, defaultValue: T | (() => T), treatDefaultAsFactory: true): T;
export declare function inject<T>(key: string, defaultValue: T | (() => T), treatDefaultAsFactory: true): unknown | T;
export declare function provide<T, K extends Atom | InjectionKey<any> | string = string>(key: K, value: K extends Atom ? AtomType<K> : T): void;
/** Type-restricted functions */
export declare const injectAtom: <T>(atm: Atom<T>) => T;
export declare const provideAtom: <T>(atm: Atom<T>, value: T) => void;
export { injectAtom as useAtom };