/**
 * @param {import('./index').StateUpdater<any>} initialState
 */
export function useState(initialState: import('./index').StateUpdater<any>): [any, (state: any) => void];
/**
 * @param {import('./index').Reducer<any, any>} reducer
 * @param {import('./index').StateUpdater<any>} initialState
 * @param {(initialState: any) => void} [init]
 * @returns {[ any, (state: any) => void ]}
 */
export function useReducer(reducer: import('./index').Reducer<any, any>, initialState: import('./index').StateUpdater<any>, init?: ((initialState: any) => void) | undefined): [any, (state: any) => void];
/**
 * @param {import('./internal').Effect} callback
 * @param {any[]} args
 */
export function useEffect(callback: import('./internal').Effect, args: any[]): void;
/**
 * @param {import('./internal').Effect} callback
 * @param {any[]} args
 */
export function useLayoutEffect(callback: import('./internal').Effect, args: any[]): void;
export function useRef(initialValue: any): any;
/**
 * @param {object} ref
 * @param {() => object} createHandle
 * @param {any[]} args
 */
export function useImperativeHandle(ref: object, createHandle: () => object, args: any[]): void;
/**
 * @param {() => any} factory
 * @param {any[]} args
 */
export function useMemo(factory: () => any, args: any[]): any;
/**
 * @param {() => void} callback
 * @param {any[]} args
 */
export function useCallback(callback: () => void, args: any[]): any;
/**
 * @param {import('./internal').PreactContext} context
 */
export function useContext(context: import('./internal').PreactContext): any;
export function useDebugValue<T>(value: T, cb?: ((value: T) => string | number) | undefined): void;
export function useErrorBoundary(cb: any): any[];