/**
 * Stealth launch utilities for anti-detection browser automation.
 *
 * Provides argument deduplication, fingerprint seed generation, and
 * macOS quarantine attribute removal. Shared by CloakBrowser provider
 * and enhanced local launch paths.
 */
export interface StealthOptions {
    /** Timezone to emulate (e.g. "America/New_York"). */
    timezone?: string;
    /** Locale to emulate (e.g. "en-US"). */
    locale?: string;
    /** Public IP for WebRTC leak prevention. */
    webrtcIp?: string;
    /** Platform to emulate in fingerprint (e.g. "windows", "macos"). */
    fingerprintPlatform?: string;
}
/** Strip sandbox flags before passing user extraArgs to CloakBrowser. */
export declare function filterCloakBrowserExtraArgs(extraArgs?: string[]): string[];
/**
 * Build stealth launch args with deduplication.
 * User `extraArgs` override any default args with the same `--key=` prefix.
 */
export declare function buildStealthArgs(extraArgs?: string[], options?: StealthOptions): string[];
/**
 * Basic stealth args for the local Playwright launcher (less aggressive than CloakBrowser).
 * Does not include fingerprint or geo args — just reduces automation signals.
 */
export declare function buildLocalStealthArgs(extraArgs?: string[]): string[];
/** Generate a timestamp-based fingerprint seed for CloakBrowser. */
export declare function generateFingerprintSeed(): number;
/**
 * Remove the `com.apple.quarantine` extended attribute from a file or app bundle on macOS.
 * Files downloaded from the internet are tagged with this attribute, causing Gatekeeper
 * to block unsigned binaries. Without this, CloakBrowser silently fails to launch.
 *
 * Non-fatal — logs and returns on any error.
 */
export declare function removeQuarantineAttr(path: string): Promise<void>;
/**
 * JavaScript snippet to inject into every new page to hide automation signals.
 * Removes `navigator.webdriver` and patches other detectable properties.
 */
export declare const WEBDRIVER_OVERRIDE_SCRIPT = "\nObject.defineProperty(navigator, 'webdriver', { get: () => undefined });\nif (navigator.plugins.length === 0) {\n  Object.defineProperty(navigator, 'plugins', {\n    get: () => [1, 2, 3, 4, 5],\n  });\n}\nObject.defineProperty(navigator, 'languages', {\n  get: () => ['en-US', 'en'],\n});\nwindow.chrome = window.chrome || {};\nwindow.chrome.runtime = window.chrome.runtime || {};\n";
/** Ensure a binary file has executable permissions (Unix only, no-op on Windows). */
export declare function makeExecutable(path: string): Promise<void>;