import type { MigrateResult } from '../utils/types.js';
export interface DiffResult {
    added: string[][];
    removed: string[][];
    existing: string[][];
}
export declare function diffConfigFields(userData: unknown): DiffResult;
export declare function buildMigratedDocument(templateText: string, userData: unknown, diff: DiffResult): string;
export declare function migrateConfig(options?: {
    dryRun?: boolean;
}): Promise<MigrateResult>;