import { DependencyList, EffectCallback, FocusEvent, Ref, useEffect } from 'react';
export declare function useAnimationCls(): {
    spinCls: string;
};
/** 管理 focus 状态 */
export declare function useFocused<T>(extraHandlers?: {
    onFocus?: (e: FocusEvent<T>) => void;
    onBlur?: (e: FocusEvent<T>) => void;
}, disabled?: boolean, initialValue?: boolean): {
    focused: boolean;
    focusedHandlers: {
        onFocus: (e: FocusEvent<T>) => void;
        onBlur: (e: FocusEvent<T>) => void;
    };
};
/** 将多个 ref 合并成一个 */
export declare function useRefs<T>(...refs: Array<Ref<T> | undefined>): Ref<T>;
/** 支持受控或不受控输入的 value 逻辑 */
export declare function useValue<V, R>({ valueFromProps, defaultValue, onChange }: {
    valueFromProps?: V;
    defaultValue: V;
    onChange?: (v: V, ...restV: R[]) => void;
}): {
    value: V;
    setValue: (v: V, ...restV: R[]) => void;
};
export declare function useUpdate(effect: EffectCallback, deps?: DependencyList): void;
/** 获取当前组件实例是否存活（是否 mounted）的信息 */
export declare function useIsMounted(): import("react").MutableRefObject<boolean>;
/**
 * 更安全的 useState，防止组件 unmount 后仍然被 setState 导致报错
 * > 使用此方法只能 suppress 错误信息，潜在的内存泄漏问题仍无法避免，需要确定用法后使用
 */
export declare function useSafeState<S>(initial: S | (() => S)): readonly [S, (nextState: S) => void];
export declare const useIsomorphicLayoutEffect: typeof useEffect;
declare type Fn<A extends unknown[], R> = (...args: A) => R;
export declare function useUnstableEvent<A extends unknown[], R>(fn: Fn<A, R>): Fn<A, R>;
export declare function useForceUpdate(): () => void;
export {};