import type { Adapter } from "../../adapter.js";
import { type Heartbeat } from "./heartbeat-reader.js";
/**
 * Ensure the current V3 generation has a mutation target. The resulting file
 * is explicitly generation-bound and disposable: V3 remains the source of
 * truth, while the cache gives the crash-safe authority outbox an atomic local
 * state to reconcile.
 */
export declare function ensureLiveCoordinationHeartbeat(coordRoot: string, nativeInstanceId: string, nativeSessionId: string, _adapter: Adapter, model?: string): Heartbeat | null;
/** Rebuild a disposable cache from V3 even when its generation markers look current. */
export declare function repairLiveCoordinationHeartbeat(coordRoot: string, nativeInstanceId: string, nativeSessionId: string, adapter: Adapter, model?: string): Heartbeat | null;
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