type Entries = {
    boundingClientRect: DOMRect;
    intersectionRatio: number;
    isIntersecting: boolean;
}[];
export interface ObserveParams {
    /**
     * 出现在页面的回调
     */
    onAppear?: (params: {
        entries: Entries;
        /**
         * 出现的时间戳
         */
        appearTimestamp: number;
    }) => void;
    /**
     * 组件移出视窗区域的回调
     */
    onDisAppear?: (params: {
        entries: Entries;
        /**
         * 出现的时间戳
         */
        appearTimestamp: number;
        /**
         * 消失的时间戳
         */
        disAppearTimestamp: number;
    }) => void;
    /**
     * advance
     */
    advance?: number | string;
    /**
     * from 0.0 to 1.0
     */
    threshold?: number;
    /**
     * 是否允许重复触发
     */
    repeat?: boolean;
    /**
     * IntersectionObserver 允许自定义设置 observer 类
     * 默认使用 window.IntersectionObserver
     */
    IntersectionObserverClass?: typeof IntersectionObserver;
}
export declare const observe: (box: HTMLElement, params: ObserveParams) => () => void;
export {};
//# sourceMappingURL=observe.d.ts.map