/**
 * Local browser watchdog for managing browser subprocess lifecycle
 *
 * Simplified TypeScript implementation that works with Playwright's browser management.
 * Handles browser process monitoring and cleanup.
 */
import { BaseWatchdog } from './base';
import { BrowserSession } from '../session';
import { BrowserLaunchEvent, BrowserKillEvent, BrowserStopEvent } from '../events-classes';
export interface LocalBrowserWatchdogConfig {
    enabled?: boolean;
    maxRetries?: number;
}
export declare class LocalBrowserWatchdog extends BaseWatchdog {
    static readonly LISTENS_TO: (typeof BrowserLaunchEvent)[];
    static readonly EMITS: never[];
    private browserPid;
    private ownsBrowserResources;
    private tempDirsToCleanup;
    private originalUserDataDir;
    constructor(browserSession: BrowserSession, config?: LocalBrowserWatchdogConfig);
    onBrowserLaunchEvent(event: BrowserLaunchEvent): Promise<{
        cdpUrl: string;
    }>;
    onBrowserKillEvent(event: BrowserKillEvent): Promise<void>;
    onBrowserStopEvent(event: BrowserStopEvent): Promise<void>;
    private cleanupTempDirectories;
    private cleanupTempDir;
    private createTempUserDataDir;
    /**
     * Get the browser process ID if available
     */
    getBrowserPid(): number | null;
    /**
     * Check if this watchdog owns the browser resources
     */
    get ownsBrowser(): boolean;
    /**
     * Find a free port for debugging interface
     */
    private static findFreePort;
    /**
     * Wait for CDP endpoint to be available
     */
    private static waitForCdpUrl;
    cleanup(): Promise<void>;
}
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