import type { Fiber, Hook } from '../core';
export interface Dispatcher {
    useState<S>(initial: S | (() => S)): [S, (s: S | ((p: S) => S)) => void];
    useReducer<S, A>(reducer: (s: S, a: A) => S, initial: S | any, init?: (a: any) => S): [S, (a: A) => void];
    useEffect(create: () => any, deps?: ReadonlyArray<unknown>): void;
    useLayoutEffect(create: () => any, deps?: ReadonlyArray<unknown>): void;
    useInsertionEffect(create: () => any, deps?: ReadonlyArray<unknown>): void;
    useRef<T>(initial: T): {
        current: T;
    };
    useMemo<T>(factory: () => T, deps?: ReadonlyArray<unknown>): T;
    useCallback<T extends Function>(fn: T, deps?: ReadonlyArray<unknown>): T;
    useContext<T>(ctx: any): T;
    useImperativeHandle<T>(ref: any, factory: () => T, deps?: ReadonlyArray<unknown>): void;
    useDebugValue<T>(value: T, formatter?: (v: T) => any): void;
    useId(): string;
    useTransition(): [boolean, (fn: () => void) => void];
    useDeferredValue<T>(v: T): T;
    useSyncExternalStore<T>(subscribe: (cb: () => void) => () => void, getSnapshot: () => T, getServerSnapshot?: () => T): T;
    use<T>(promiseOrContext: any): T;
}
interface SharedInternals {
    H: Dispatcher | null;
    F: Fiber | null;
    K: Hook | null;
    I: number;
}
export declare const ReactSharedInternals: SharedInternals;
export declare function getDispatcher(): Dispatcher;
export {};