import * as React from 'react';
import { IImageInfo, Props, State } from './image-viewer.type';
export default class ImageViewer extends React.Component<Props, State> {
    static defaultProps: Props;
    state: State;
    private fadeAnim;
    private standardPositionX;
    private positionXNumber;
    private positionX;
    private width;
    private height;
    private styles;
    private hasLayout;
    private loadedIndex;
    private handleLongPressWithIndex;
    private imageRefs;
    componentDidMount(): void;
    static getDerivedStateFromProps(nextProps: Props, prevState: State): {
        currentShowIndex: number | undefined;
        prevIndexProp: number | undefined;
    } | null;
    componentDidUpdate(prevProps: Props, prevState: State): void;
    /**
     * props 有变化时执行
     */
    init(nextProps: Props): void;
    /**
     * reset Image scale and position
     */
    resetImageByIndex: (index: number) => void;
    /**
     * 调到当前看图位置
     */
    jumpToCurrentImage(): void;
    /**
     * 加载图片，主要是获取图片长与宽
     */
    loadImage(index: number): void;
    /**
     * 预加载图片
     */
    preloadImage: (index: number) => void;
    /**
     * 触发溢出水平滚动
     */
    handleHorizontalOuterRangeOffset: (offsetX?: number) => void;
    /**
     * 手势结束，但是没有取消浏览大图
     */
    handleResponderRelease: (vx?: number) => void;
    /**
     * 到上一张
     */
    goBack: () => void;
    /**
     * 到下一张
     */
    goNext: () => void;
    /**
     * 回到原位
     */
    resetPosition(): void;
    /**
     * 长按
     */
    handleLongPress: (image: IImageInfo) => void;
    /**
     * 单击
     */
    handleClick: () => void;
    /**
     * 双击
     */
    handleDoubleClick: () => void;
    /**
     * 退出
     */
    handleCancel: () => void;
    /**
     * 完成布局
     */
    handleLayout: (event: any) => void;
    /**
     * 获得整体内容
     */
    getContent(): JSX.Element;
    /**
     * 保存当前图片到本地相册
     */
    saveToLocal: () => void;
    getMenu(): JSX.Element | null;
    handleLeaveMenu: () => void;
    handleSwipeDown: () => void;
    render(): JSX.Element;
}