export type ImageInfo = {
    w: number;
    h: number;
    w_h: number;
    h_w: number;
};
export default class ImageUtil {
    private static imagesMap;
    static getImageInfo(url: string): Promise<ImageInfo>;
    private static setMapInfos;
    static getCurrentImageInfo(url: string): ImageInfo;
    private static loadImageInfo;
    private static isLoading;
    private static has;
}