import React, { CSSProperties } from 'react';
declare type Modules = Array<Array<boolean>>;
declare type Excavation = {
    x: number;
    y: number;
    w: number;
    h: number;
} | null;
export declare type ImageSettings = {
    src: string;
    height: number;
    width: number;
    excavate: boolean;
    x?: number;
    y?: number;
};
export interface QRCodeProps {
    value: string;
    size?: number;
    level?: 'L' | 'M' | 'Q' | 'H';
    bgColor?: string;
    fgColor?: string;
    style?: CSSProperties;
    includeMargin?: boolean;
    imageSettings?: ImageSettings;
}
export declare function getImageSettings(size: number, includeMargin: boolean, cells: Modules, imageSettings?: ImageSettings): null | {
    x: number;
    y: number;
    h: number;
    w: number;
    excavation: Excavation;
};
declare const QRCode: React.ForwardRefExoticComponent<QRCodeProps & React.RefAttributes<HTMLCanvasElement>>;
export default QRCode;