/**
 * BrowserManager: session-scoped lifecycle for browser connections.
 *
 * Holds active BrowserSession instances keyed by session ID. One session per
 * agent run/build/chat session - the harness gets a persistent browser across
 * multiple MCP tool calls within the same session.
 *
 * `close`/`closeAll` DISCONNECT the CDP connection only. The debug browser is
 * never closed by the bridge - not on `browser_close`, session end, agent
 * disconnect or daemon shutdown. The human closes the window (or runs
 * `teamshare-agent browser stop`).
 */
import { BrowserSession, type BrowserSessionOptions } from './session';
export declare class BrowserManager {
    private sessions;
    /**
     * Get an existing session or create a new one.
     * If the session exists but is disconnected, reconnects it.
     */
    getOrCreate(sessionId: string, opts?: BrowserSessionOptions): BrowserSession;
    /**
     * Get a session by ID (returns undefined if not found).
     */
    get(sessionId: string): BrowserSession | undefined;
    /**
     * Close and remove a specific session.
     */
    close(sessionId: string): boolean;
    /**
     * Disconnect every session. The debug browser windows stay open.
     */
    closeAll(): void;
    /**
     * List active session IDs.
     */
    list(): string[];
    /**
     * Count of active (connected) sessions.
     */
    get activeCount(): number;
}
/**
 * Get the global BrowserManager singleton.
 * Created lazily on first access.
 */
export declare function getBrowserManager(): BrowserManager;