declare const _default: CompressUtil;
export default _default;
declare class CompressUtil {
    constructor(opts: any);
    defaultMimeType: any;
    checkImageType(type: any): boolean;
    dataURLtoImage(dataURL: any): Promise<any>;
    filetoDataURL(file: any): Promise<any>;
    imagetoCanvas(image: any, config?: {}): Promise<HTMLCanvasElement>;
    dataURLtoFile(dataURL: any, type: any): Promise<Blob>;
    canvastoDataURL(canvas: any, quality: any, type: any): Promise<any>;
    compressAccurately(file: any, config?: {}): Promise<Blob>;
}