import { QrcodeResult, Html5QrcodeSupportedFormats, Logger, QrcodeDecoderAsync } from "./core";
export declare class ZXingHtml5QrcodeDecoder implements QrcodeDecoderAsync {
private readonly formatMap;
private readonly reverseFormatMap;
private hints;
private verbose;
private logger;
constructor(requestedFormats: Array, verbose: boolean, logger: Logger);
decodeAsync(canvas: HTMLCanvasElement): Promise;
private decode;
private createReverseFormatMap;
private toHtml5QrcodeSupportedFormats;
private createZXingFormats;
private createDebugData;
}