import { ConsoleMessage, Page } from 'puppeteer';
import { DiffImagesOptions } from "../utils/diff-images.js";
import BrowserDriver, { ServerConfiguration } from "./browser-driver.js";
declare global {
    function browserTestDriver_fail(): void;
    function browserTestDriver_finish(): string;
    function browserTestDriver_emulateInput(event: unknown): Promise<void>;
    function browserTestDriver_captureAndDiffScreen(opts: DiffImagesOpts): Promise<DiffImageResult>;
}
type BrowserTestDriverProps = {
    title?: string;
    headless?: boolean;
    maxConsoleMessageLength?: number;
    server: ServerConfiguration;
    browser?: object;
    exposeFunctions?: any;
    url?: string;
    onStart?: (params: {
        page: Page;
    }) => void | Promise<void>;
    onFinish?: (params: {
        page: Page;
        isSuccessful: boolean;
    }) => void | Promise<void>;
};
export type DiffImagesOpts = DiffImagesOptions & {
    goldenImage: string;
    region?: any;
    saveOnFail?: boolean;
    saveAs?: string;
};
/** @todo this seems like just a light repackaging of the underlying result type. Reuse or better separation of types? */
export type DiffImageResult = {
    headless: boolean;
    match: string | number;
    matchPercentage: string;
    success: boolean;
    error: Error | string | null;
};
/** A test driver that starts a browser instance and runs tests inside it */
export default class BrowserTestDriver extends BrowserDriver {
    title: string;
    headless: boolean;
    time: number;
    failures: number;
    maxConsoleMessageLength: number;
    run(config: BrowserTestDriverProps): Promise<void>;
    _openPage(url: string, config: BrowserTestDriverProps): Promise<string>;
    _onConsole(event: ConsoleMessage): void;
    _onFinish(message: string): void;
    _pass(message: string): void;
    _fail(message: string): void;
    _emulateInput(event: any): any;
    _captureAndDiff(opts: DiffImagesOpts): Promise<DiffImageResult>;
    _saveScreenshot(filename: any, data: any): void;
}
export {};
//# sourceMappingURL=browser-test-driver.d.ts.map