import type { TaskStore } from "../types.js";
import type { ArchiveConfig } from "./config.js";
/**
 * Default auto-archive configuration.
 * Auto-archive is OFF by default (opt-in).
 */
export declare const DEFAULT_ARCHIVE_CONFIG: Required<ArchiveConfig>;
/**
 * Result of an auto-archive operation.
 */
export interface AutoArchiveResult {
    /** Number of tasks archived */
    archivedCount: number;
    /** IDs of archived tasks */
    archivedIds: string[];
}
/**
 * Perform auto-archiving on the task store.
 *
 * This function:
 * 1. Finds tasks eligible for auto-archiving (based on age and count criteria)
 * 2. Archives them to archive.jsonl
 * 3. Removes them from the active task store
 * 4. Logs the operation to archive.log
 *
 * @param store The task store (will be mutated to remove archived tasks)
 * @param storagePath Path to the storage directory
 * @param config Archive configuration
 * @returns Result with count and IDs of archived tasks
 */
export declare function performAutoArchive(store: TaskStore, storagePath: string, config?: ArchiveConfig): AutoArchiveResult;
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