/**
 * WebSocket detection — intercepts WS connections opened during page crawl.
 * Records connection URLs, message schemas, and message counts.
 * This lets ZeTa discover real-time API contracts (chat, notifications, presence)
 * that would be invisible to HTTP-only crawlers.
 */
export interface WsConnection {
    url: string;
    framesSent: number;
    framesReceived: number;
    /** Sampled message bodies (first 10 per connection, truncated to 500 chars) */
    samples: Array<{
        direction: 'sent' | 'received';
        payload: string;
        ts: string;
    }>;
    /** Inferred protocol: 'json-rpc' | 'socket.io' | 'graphql-ws' | 'raw' */
    protocol: string;
    openedAt: string;
}
export declare function attachWebSocketDetector(cdpSession: any): {
    getConnections(): WsConnection[];
    detach(): void;
};