import type { Asset } from 'assetgraph';
type TraceResult = Record<string, unknown>;
interface HeadlessBrowserOptions {
    console: Console;
    chromeArgs?: string[];
}
declare class HeadlessBrowser {
    private console;
    private _chromeArgs;
    private _launchPromise?;
    private _closed;
    constructor({ console, chromeArgs }: HeadlessBrowserOptions);
    private _launchBrowserMemoized;
    private _attachRequestInterceptor;
    private _attachErrorListeners;
    tracePage(htmlAsset: Asset): Promise<TraceResult[]>;
    close(): Promise<void>;
}
export = HeadlessBrowser;
//# sourceMappingURL=HeadlessBrowser.d.ts.map