/**
 * @author songxiwen
 * @date 2021/03/29 16:08
 */
export declare class ResourceSizeManager {
    #private;
    private readonly domFile;
    constructor(domFile: File);
    get image(): {
        height: number;
        width: number;
        originHeight: number;
        originWidth: number;
    };
    read(): Promise<string | undefined>;
    private calculateImageSize;
}