/**
 * Archivist scheduler — drives periodic and file-watch-triggered maintenance.
 *
 * Wraps `iranti.runMaintenance()` in two trigger modes, both optional and
 * independently enabled via env vars:
 *  - **Interval** (`IRANTI_ARCHIVIST_INTERVAL_MS`) — runs maintenance on a
 *    fixed timer. Set to 0 or omit to disable.
 *  - **Escalation watch** (`IRANTI_ARCHIVIST_WATCH`, default true) — uses
 *    `fs.watch` on the active escalation folder; fires a debounced maintenance
 *    run whenever a `.md` file changes (debounce: `IRANTI_ARCHIVIST_DEBOUNCE_MS`,
 *    default 60 s). Prevents redundant runs when multiple files are written rapidly.
 *
 * Maintenance runs are serialised — a `running` flag drops overlapping triggers
 * into a single `pendingRun` that fires immediately after the current run ends.
 *
 * Returns a `SchedulerHandle` with `{ started, stop() }` so the server can
 * cleanly shut down timers and the file watcher on exit.
 */
import { Iranti } from '../sdk';
type SchedulerHandle = {
    stop: () => void;
    started: boolean;
};
export declare function startArchivistScheduler(iranti: Iranti): Promise<SchedulerHandle>;
export {};
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