import { WebviewMessage, WEBVIEW_TARGET, CanvasInstance } from './utils';
export declare class Image {
    [WEBVIEW_TARGET]: string;
    canvas: any;
    width: number;
    height: number;
    private _loadListener;
    private _errorListener;
    private _onload;
    private _onerror;
    [key: string]: any;
    constructor(canvas: CanvasInstance, width?: number, height?: number, noOnConstruction?: boolean);
    postMessage(message: WebviewMessage): any;
    addEventListener(type: 'load' | 'error', callbackFn: Function): any;
    set onload(callback: ((...args: any[]) => void));
    get onload(): ((...args: any[]) => void);
    set onerror(callback: ((...args: any[]) => void));
    get onerror(): ((...args: any[]) => void);
}
export declare function createImage(canvas: CanvasInstance, width?: number, height?: number): Image;