import type { WebSocketServer } from "ws";
export type WsEventType = "mutated" | "connected";
export interface WsEvent {
    type: WsEventType;
    resource?: string;
    method?: string;
    ts: number;
}
declare class WsBroadcaster {
    private wss;
    attach(wss: WebSocketServer): void;
    detach(): void;
    broadcast(event: WsEvent): void;
    get clientCount(): number;
}
export declare const broadcaster: WsBroadcaster;
export {};
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