import type { SwarmTracer } from "../swarm/tracer.js";
import type { EventBus } from "./bus.js";
/**
 * Bridge SwarmTracer events to an EventBus.
 *
 * Maps:
 * - `agent_start`    → `swarm.agent.started`
 * - `agent_complete`  → `swarm.agent.completed`
 * - `agent_error`     → `swarm.agent.failed`
 *
 * @param tracer  The SwarmTracer to subscribe to
 * @param bus     The EventBus to publish to
 * @param swarmId Identifier for the swarm (included in all events)
 * @returns Unsubscribe function — call to stop the bridge
 */
export declare function bridgeSwarmTracer(tracer: SwarmTracer, bus: EventBus, swarmId: string): () => void;
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