import { recoverExpiredLeases } from './lease-store.js';
export { recoverExpiredLeases };
export interface QueuedTask {
    id: string;
    command: string;
    enqueuedAt: string;
    sequence: number;
    notifyOn?: 'failure' | 'always' | 'never';
    attempts?: number;
    maxAttempts?: number;
    backoffStrategy?: 'fixed' | 'exponential';
    backoffBaseMs?: number;
    eligibleAfter?: number;
}
export interface EnqueueOptions {
    notifyOn?: 'failure' | 'always' | 'never';
}
export declare function enqueue(command: string, opts?: EnqueueOptions, queueDir?: string): QueuedTask;
export declare function dequeueNext(queueDir?: string): QueuedTask | null;
export declare function listPending(queueDir?: string): QueuedTask[];
export declare function removePending(queueDir: string | undefined, id: string): boolean;
export declare function clearPending(queueDir?: string): number;