import type { AgentDescriptor, MessageContext } from "@/types";
type UpgradeRestartPendingSetOptions = {
    dataDir: string;
    descriptor: AgentDescriptor;
    context: MessageContext;
    requestedAtMs: number;
    requesterPid: number;
    previousVersion?: string;
};
/**
 * Persists post-restart metadata so the next process can acknowledge restart/upgrade completion.
 * Expects: dataDir exists or can be created, and descriptor/context are command invoker payloads.
 */
export declare function upgradeRestartPendingSet(options: UpgradeRestartPendingSetOptions): Promise<void>;
export {};
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