/**
 * Storage format migrations for dex.
 *
 * Handles migrating between different storage formats
 * (e.g., from single tasks.json file to per-task files).
 */
import type { TaskStore } from "../../types.js";
/**
 * Migrate from old single-file format (tasks.json) to per-task files.
 * Returns true if migration was performed, false if not needed.
 */
export declare function migrateFromSingleFile(storagePath: string, writeStore: (store: TaskStore) => void): boolean;
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