import { ChildProcess } from 'child_process';
import { CDPBrowser, CDPOptions } from './options.js';
export interface BrowserVersionInfo {
    Browser: string;
    'Protocol-Version': string;
    webSocketDebuggerUrl: string;
    [key: string]: any;
}
export interface LaunchedBrowser {
    process: ChildProcess;
    port: number;
    debugUrl: string;
    wsEndpoint: string;
    userDataDir: string;
    close(): Promise<void>;
}
export declare function launch(options?: CDPOptions): Promise<LaunchedBrowser>;
export declare function getFreePort(): Promise<number>;
export declare function resolveExecutable(browser: CDPBrowser, explicit?: string): string;
export declare function getCandidatePaths(browser: CDPBrowser): string[];