/**
 * Migration 052: Add fast-implement stage timeout column to settings table.
 *
 * Adds a dedicated nullable INTEGER column for the fast-implement stage timeout
 * (milliseconds). When NULL, the application falls back to the hardcoded default
 * of 1_800_000 ms (30 minutes).
 *
 * Column added:
 *  - stage_timeout_fast_implement_ms
 */
import type { MigrationParams } from 'umzug';
import type Database from 'better-sqlite3';
export declare function up({ context: db }: MigrationParams<Database.Database>): Promise<void>;
export declare function down({ context: db }: MigrationParams<Database.Database>): Promise<void>;
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