export interface ServeShutdownDeps {
    proc: {
        on(sig: NodeJS.Signals, handler: () => void): unknown;
        exit(code?: number): unknown;
    };
    daemon: {
        persistCrashStateAll(error?: string): void;
        clearHeartbeat(): void;
    };
    announce(reason: string): void;
    /** Starts the graceful stop (serveAction's wait resolves and runs `daemon.stopAll()`). */
    onGraceful(): void;
    /** Longest the graceful stop may take before the process is force-exited. */
    hardExitMs: number;
}
export declare function installServeShutdown(deps: ServeShutdownDeps): {
    finish(): void;
};
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