import type { Browser } from 'playwright-core';
declare class BrowserManager {
    private browser;
    private browserPromise;
    private activeJobCount;
    private idleTimer;
    private readonly IDLE_TIMEOUT_MS;
    acquireBrowser(): Promise<Browser>;
    releaseBrowser(): void;
    forceClose(): Promise<void>;
}
export declare const globalBrowserManager: BrowserManager;
export {};