import type { Config, BrowserEngine } from "../config/loader.js";
import CDP from "chrome-remote-interface";
export interface BrowserInfo {
    name: string;
    path: string;
}
export declare function isValidElectronExecutablePath(execPath: string): boolean;
export declare function findBrowser(preferred?: string): BrowserInfo | null;
export declare function findFirefox(): BrowserInfo | null;
export declare function probeAllBrowsers(): BrowserInfo[];
export declare function launchWithBridge(config: Config): Promise<{
    path: string;
    name: string;
    port: number;
    engine?: BrowserEngine;
}>;
export declare function injectStealthScript(session: CDP.Client): Promise<void>;
export declare function getFreePort(preferredPort?: number): Promise<number>;
export declare function testPortListening(port: number): Promise<boolean>;
export declare function launchElectronApp(appName: string, config: Config): Promise<{
    path: string;
    name: string;
    port: number;
    engine: "chromium";
    isElectron: true;
}>;