import { type WebSocket as WsWebSocket } from 'ws';
type BrowserEventCallback = (event: 'connect' | 'disconnect' | 'init', data: {
    connId: string;
    browserId: string | null;
    serverId: string | null;
    url?: string | null;
    title?: string | null;
}) => void;
export declare function onBrowserEvent(cb: BrowserEventCallback): () => boolean;
type LogEventCallback = (data: {
    channel: string;
    payload: any;
    browserId?: string;
}) => void;
export declare function onLogEvent(cb: LogEventCallback): () => boolean;
export declare function emitLogEvent(data: {
    channel: string;
    payload: any;
    browserId?: string;
}): void;
/**
 * Send a command to a specific browser.
 * Targeting priority:
 *   1. browserId (exact) — locked session target
 *   2. serverId (latest) — pick latest browser for this server
 *   3. global latest — any connected browser
 */
export declare function browserCommand(opts: {
    browserId?: string;
    serverId?: string;
}, method: string, params?: any, timeoutMs?: number): Promise<any>;
/** Legacy API: send a command by serverId string (backward compat during migration) */
export declare function browserCommandLegacy(serverId: string | undefined, method: string, params?: any, timeoutMs?: number): Promise<any>;
export declare function getAllBrowsers(): Array<{
    connId: string;
    browserId: string | null;
    serverId: string | null;
    url: string | null;
    title: string | null;
    connectedAt: number;
}>;
/** Get browsers affiliated with a specific server */
export declare function getBrowsersByServer(serverId: string): Array<{
    connId: string;
    browserId: string | null;
    url: string | null;
    title: string | null;
    connectedAt: number;
}>;
export declare function setupRpcWebSocket(httpServer: {
    on(event: string, listener: (...args: any[]) => void): void;
}, rpcPath: string): import("ws").Server<typeof WsWebSocket, typeof import("node:http").IncomingMessage>;
export {};
//# sourceMappingURL=rpc-server.d.ts.map