import { Camera, Constraints } from '../core/Camera';
import { Configuration } from '../core/Config';
import { GUI } from '../core/GUI';
import { Scanner } from '../core/Scanner';
/**
 * This class is used for the Barcode Capture from the WebCam
 * Main Parameter is the rootElement or the DOM element where the camera is to be rendered on the screen for capture
 * Additional optionals parameters are configuration and constraints data
 */
export declare class BarcodeCapture {
    static cameraObj: Camera;
    static gui: GUI;
    static loader_class: string;
    static scanner: Scanner;
    constraints: Constraints;
    configuration: Configuration;
    constructor(rootElement: HTMLElement, configuration?: Configuration, constraints?: Constraints);
    startBarcodeScanner: (rootElement: HTMLElement) => Promise<unknown>;
    /**
     * @hidden
     * To setup the camera element and started streaming
     * @param rootElement - The HTML ELement to render camera view
     * @param stream - The stream object once the Camera is started up
     */
    setUpCameraStream: (rootElement: HTMLElement, stream: any) => void;
}