/**
 * Work that is still marked in flight long after anything could be running it:
 * `automation_runs` rows left `running` by a worker that died, and A2A tasks
 * stuck `submitted`/`working`/`processing` because nobody polled them (the
 * only other recovery runs lazily on `tasks/get`). They keep dashboards and
 * "is it running?" checks lying until something closes them.
 *
 * Runs from the scheduler tick, never at module load: each pass is one bounded
 * UPDATE and is throttled, so cold starts and idle ticks do no sweeping.
 */
/** Must stay above `REMOTE_AUTOMATION_MAX_ACTIVE_MS` (24h), the longest a run may legitimately stay active. */
export declare const STALE_AUTOMATION_RUN_AFTER_MS: number;
/** The lazy A2A recovery fails processing tasks after 30 minutes; this only catches what it never saw. */
export declare const STALE_A2A_TASK_AFTER_MS: number;
export declare const REAP_BATCH_LIMIT = 50;
export declare const REAP_INTERVAL_MS: number;
export declare const AUTOMATION_RUN_ABANDONED_ERROR_CODE = "automation_run_abandoned";
export declare const A2A_TASK_ABANDONED_ERROR_CODE = "a2a_task_abandoned";
/**
 * Closes `running` automation runs older than the longest legitimate run as
 * `interrupted` with a typed code — never `success`. Rows are updated
 * directly, so a months-old run does not email its owner as if it had just
 * failed. Idempotent: only `running` rows match.
 */
export declare function reapStaleAutomationRuns(options?: {
    now?: number;
    limit?: number;
}): Promise<number>;
/**
 * Fails A2A tasks that have shown no activity for a day. An app that never
 * created the A2A tables has nothing to reap; any other failure is surfaced.
 */
export declare function reapStaleA2ATasks(options?: {
    now?: number;
    limit?: number;
}): Promise<number>;
export interface StaleWorkReapResult {
    automationRuns: number;
    a2aTasks: number;
    failed: string[];
}
/**
 * One throttled, row-capped pass over both sweeps. Returns null when the
 * throttle skipped it, so a caller can tell "nothing stuck" from "did not look".
 */
export declare function reapStaleWork(options?: {
    now?: number;
}): Promise<StaleWorkReapResult | null>;
export declare function resetStaleWorkReapThrottle(): void;