/// <reference types="react" />
import { KeyboardEventListener, LayoutChangeEvent, LayoutRectangle } from 'react-native';
/**
 * 各平台信息&适配 （目前只有iOS、Android、Harmony）
 */
export declare const PlatformOS: {
    isHarmony: boolean;
    isIos: boolean;
    isAndroid: boolean;
    /** Harmony 平台且运行在 Fabric 架构下 */
    readonly isHarmonyFabric: boolean;
    select: (params: {
        [key: string]: any;
        harmony?: any;
        ios?: any;
        android?: any;
        default?: any;
    }) => any;
};
/**
 * 处理android和ios的兼容
 */
export declare function iosOrAndroid(iosParam: any, androidParam: any): any;
/**
 * 处理ios/android/harmony兼容
 */
export declare function iosOrAndroidOrHarmony(iosParam: any, androidParam: any, harmonyParam: any): any;
export declare function useMeasure<T = any>(): readonly [import("react").RefObject<T>, (event: LayoutChangeEvent) => void, LayoutRectangle];
export declare function useKeyboard(onKeyboardWillShow: KeyboardEventListener, onKeyboardWillHide: KeyboardEventListener): void;
export declare function useMaxHeight(): number;
/**
 * 是否开启沉浸式状态栏(仅android)
 */
export declare function useStatusBar(): boolean;
export { default as usePersistFn } from './usePersistFn';
export { default as useDifferentState } from './useDifferentState';
export { default as useKeyboardDimensions } from './useKeyboardDimensions';