import { Logger } from '@n8n/backend-common';
import { InstanceAiConfig } from '@n8n/config';
import { InstanceSettings } from 'n8n-core';
import { InstanceAiWorkflowSnapshotRepository } from './repositories/instance-ai-workflow-snapshot.repository';
export declare class SnapshotPruningService {
    private readonly logger;
    private readonly config;
    private readonly snapshotRepo;
    private readonly instanceSettings;
    private pruningInterval;
    constructor(logger: Logger, config: InstanceAiConfig, snapshotRepo: InstanceAiWorkflowSnapshotRepository, instanceSettings: InstanceSettings);
    init(): void;
    startPruning(): void;
    stopPruning(): void;
    shutdown(): void;
    prune(): Promise<void>;
}
