import React, { ReactNode } from 'react';
export declare type LoadMoreStatus = 'before-ready' | 'prepare' | 'loading' | 'nomore' | 'retry';
export interface LoadMoreProps {
    /**
     * 自定义样式
     * @en Custom stylesheet
     */
    style?: React.CSSProperties;
    /**
     * 自定义类名
     * @en Custom classname
     */
    className?: string;
    /**
     * 是否禁用加载能力
     * @en Whether to disable the loading capability
     */
    disabled?: boolean;
    /**
     * 组件加载但尚未启用状态下的内容
     * @en Content when the component is loaded but not yet enabled
     * @default null
     */
    beforeReadyArea?: ReactNode;
    /**
     * 加载中状态下的内容
     * @en Content in loading state
     * @default "正在努力加载中..."
     * @default_en "Trying to load..."
     */
    loadingArea?: ReactNode;
    /**
     * 无更多数据状态下的内容
     * @en Content with no more data
     * @default "没有更多数据了"
     * @default_en "No more data"
     */
    noMoreArea?: ReactNode;
    /**
     * 准备加载状态下的内容
     * @en Content in ready-to-load state
     * @default "上拉/点击加载更多"
     * @default_en "Pull up to load more" or "Click to load more"
     */
    prepareArea?: ReactNode;
    /**
     * 加载重试状态下的内容
     * @en Load content in retry state
     * @default "加载失败，点击重试"
     * @default_en "failed to load, click to retry"
     */
    retryArea?: ReactNode;
    /**
     * 组件加载初始状态，传入 "before-ready" 则先加载组件但不请求数据
     * @en The component is loaded in the initial state. Inputing in "before-ready" will load the component first without requesting data
     * @default "prepare"
     */
    defaultStatus?: 'before-ready' | 'prepare';
    /**
     * 当前状态，传入则受控
     * @en Current state, the component is controlledc  when it is input
     */
    status?: LoadMoreStatus;
    /**
     * 待计算滚动容器
     * @en Scrolling container to be calculated
     * @default () => window
     */
    getScrollContainer?: () => HTMLElement | Window | null;
    /**
     * 当多个 loadmore 在同一页面时，通过传入节点的 offsetHeight + offsetTop 代替 scrollHeight
     * @en When multiple loadmores are on the same page, pass in the offsetHeight + offsetTop of the node instead of scrollHeight
     */
    getOffsetNode?: () => HTMLElement | Window | null;
    /**
     * 触发loading的时机，当为click时，点击后将触发getData
     * @en The timing of triggering loading, when it is click, getData will be triggered after clicking
     * @default "scroll"
     */
    trigger?: 'scroll' | 'click';
    /**
     * 滚动到离列表底部多远的位置触发getData，触发状态时机为'scroll'时有效
     * @en Scroll to how far from the bottom of the list to trigger getData, valid when the trigger state timing is 'scroll'
     * @default 200
     */
    threshold?: number;
    /**
     * 请求数据方法，可在异步任务结束后根据任务结果调用callback修改loadmore内部状态
     * @en The request data method, after the asynchronous task ends, the callback can be called according to the task result to modify the internal state of loadmore
     */
    getData?: (callback: (status: LoadMoreStatus) => void) => void;
    /**
     * 节流粒度
     * @en Throttle granularity
     * @default 0
     */
    throttle?: number;
    /**
     * 是否在loading状态下不触发getData
     * @en Whether to not trigger getData in the loading state
     * @default true
     */
    blockWhenLoading?: boolean;
    /**
     * 刚加载好组件时是否自动先请求一次，trigger=scroll时有效
     * @en Whether to automatically request once when the component is just loaded, valid when trigger=scroll
     * @default true
     */
    getDataAtFirst?: boolean;
    /**
     * 当 getDataAtFirst 值为 false 且数据不满一屏时是否触发一次请求，trigger=scroll时有效
     * @en Whether to trigger a request when getDataAtFirst equals false and the data is not full of one screen, valid when trigger=scroll
     * @default false
     */
    getDataWhenNoScrollAtFirst?: boolean;
    /**
     * 状态改变时回调
     * @en Callback when state changes
     */
    onStatusChange?: (status: LoadMoreStatus, scene?: string) => void;
    /**
     * 组件被点击时回调
     * @en Callback when the component is clicked
     */
    onClick?: (e: React.MouseEvent<HTMLDivElement, MouseEvent>) => void;
    /**
     * 滚动到(底部 - threshold)距离时触发
     * @en Callback when scrolling to (bottom - threshold) distance
     */
    onEndReached?: () => void;
}
export interface LoadMoreRef {
    /**
     * 最外层元素 DOM
     * @en The outermost element DOM
     */
    dom: HTMLDivElement | null;
    /**
     * 手动更改组件状态
     * @en Change component state manually
     */
    changeStatus: (status: LoadMoreStatus, scene?: string) => void;
    /**
     * 判断是否滚动到底部并手动触发数据获取
     * @en Determine whether to scroll to the bottom and manually trigger data acquisition
     */
    getDataWithEndReachCheck: () => void;
}
/**
 * 上拉加载组件，支持`scroll`和`click`两种触发加载方式，支持滚动监听。支持受控与不受控两种形式。<br>如果引入组件后发现仅触发了初始的`getData`，请确认是否在`getData`方法内没有调用`callback`移除 loading 状态，且未设置`blockWhenLoading`属性为 false。
 * @en Pull-up loading component, supports `scroll` and `click` two trigger loading methods, supports scroll monitoring. Both controlled and uncontrolled forms are supported. <br>If only the initial `getData` is triggered after the component is introduced, please make sure that the `callback` is not called in the `getData` method to remove the loading state, and the `blockWhenLoading` property is not set to false.
 * @type 反馈
 * @type_en Feedback
 * @name 加载更多
 * @name_en LoadMore
 */
declare const LoadMore: React.ForwardRefExoticComponent<LoadMoreProps & React.RefAttributes<LoadMoreRef>>;
export default LoadMore;