import { Component, INotifyPropertyChanged, L10n, EmitType } from '@syncfusion/ej2-base';
import { ErrorCorrectionLevel, QRCodeVersion, RenderingMode, BarcodeExportType } from '../barcode/enum/enum';
import { DisplayTextModel } from '../barcode/primitives/displaytext-model';
import { MarginModel } from '../barcode/primitives/margin-model';
import { QRCodeGeneratorModel } from './qrcode-model';
import { QRCodeLogoModel } from '../barcode/primitives/icon-model';
/**
 * Represents the Qrcode control
 * ```
 */
export declare class QRCodeGenerator extends Component<HTMLElement> implements INotifyPropertyChanged {
    /**
     *  Constructor for creating the widget
     *
     * @param {QRCodeGeneratorModel} options - Provide the instance.
     * @param {HTMLElement} element - Provide the element .
     */
    constructor(options?: QRCodeGeneratorModel, element?: HTMLElement | string);
    /**
     * Defines the height of the QR code model.
     *
     * @default '100%'
     */
    height: string | number;
    /**
     * Specifies the logo overlay configuration for the QR code.
     *
     * @default ''
     */
    logo: QRCodeLogoModel;
    /**
     * Defines the width of the QR code model.
     *
     * @default '100%'
     */
    width: string | number;
    /**
     * Defines the QR code rendering mode.
     *
     * * SVG - Renders the bar-code objects as SVG elements
     * * Canvas - Renders the bar-code in a canvas
     *
     * @default 'SVG'
     */
    mode: RenderingMode;
    /**
     * Defines the xDimension of the QR code model.
     *
     */
    xDimension: number;
    /**
     * Defines the error correction level of the QR code.
     *
     * @aspDefaultValueIgnore
     * @aspNumberEnum
     * @default undefined
     */
    errorCorrectionLevel: ErrorCorrectionLevel;
    /**
     * Defines the margin properties for the QR code.
     *
     * @default ''
     */
    margin: MarginModel;
    /**
     * Defines the background color of the QR code.
     *
     * @default 'white'
     */
    backgroundColor: string;
    /**
     * Triggers if you enter any invalid character.
     *
     * @event
     */
    invalid: EmitType<Object>;
    /**
     * Defines the forecolor of the QR code.
     *
     * @default 'black'
     */
    foreColor: string;
    /**
     * Defines the text properties for the QR code.
     *
     * @default ''
     */
    displayText: DisplayTextModel;
    /**
     * * Defines the version of the QR code.
     *
     * @aspDefaultValueIgnore
     * @aspNumberEnum
     * @default undefined
     */
    version: QRCodeVersion;
    private widthChange;
    private heightChange;
    private isSvgMode;
    private barcodeRenderer;
    /**
     * Defines the type of barcode to be rendered.
     *
     * @default undefined
     */
    value: string;
    /** @private */
    localeObj: L10n;
    /** @private */
    private defaultLocale;
    private barcodeCanvas;
    /**
     * Renders the barcode control .
     *
     * @returns {void}
     */
    render(): void;
    private triggerEvent;
    private renderElements;
    private setCulture;
    private getElementSize;
    private initialize;
    protected preRender(): void;
    /**
     * Get the properties to be maintained in the persisted state.
     *
     * @returns {string} Get the properties to be maintained in the persisted state.
     */
    getPersistData(): string;
    /**
     * Returns the module name of the barcode
     *
     * @returns {string}  Returns the module name of the barcode
     */
    getModuleName(): string;
    /**
     * It is used to destroy the Barcode component.
     *
     * @function destroy
     * @returns {void}
     */
    destroy(): void;
    private initializePrivateVariables;
    /**
     * Export the barcode as an image in the specified image type and downloads it in the browser.
     *
     * @returns {void} Export the barcode as an image in the specified image type and downloads it in the browser.
     *  @param {string} filename - Specifies the filename of the barcode image to be download.
     *  @param {BarcodeExportType} barcodeExportType - Defines the format of the barcode to be exported
     */
    exportImage(filename: string, barcodeExportType: BarcodeExportType): void;
    /**
     * Export the barcode as an image in the specified image type and returns it as base64 string.
     *
     * @returns {string} Export the barcode as an image in the specified image type and returns it as base64 string.
     *  @param {BarcodeExportType} barcodeExportType - Defines the format of the barcode to be exported
     */
    exportAsBase64Image(barcodeExportType: BarcodeExportType): Promise<string>;
    onPropertyChanged(newProp: QRCodeGeneratorModel, oldProp: QRCodeGeneratorModel): void;
}