import { QrcodeResult, Html5QrcodeSupportedFormats, QrcodeDecoderAsync, Logger } from "./core";
export declare class BarcodeDetectorDelegate implements QrcodeDecoderAsync {
private readonly formatMap;
private readonly reverseFormatMap;
private verbose;
private logger;
private detector;
static isSupported(): boolean;
constructor(requestedFormats: Array, verbose: boolean, logger: Logger);
decodeAsync(canvas: HTMLCanvasElement): Promise;
private selectLargestBarcode;
private createBarcodeDetectorFormats;
private toHtml5QrcodeSupportedFormats;
private createReverseFormatMap;
private createDebugData;
}