/**
 * Batch migration utility for PKL files
 */
export interface MigrationResult {
    totalFiles: number;
    migrated: number;
    alreadyCurrent: number;
    errors: number;
    errorFiles: Array<{
        path: string;
        error: string;
    }>;
}
/**
 * Migrate all PKL files in a directory to the latest schema version
 */
export declare function migrateDirectory(directory: string): Promise<MigrationResult>;
/**
 * Migrate a single PKL file to the latest schema version
 */
export declare function migrateFile(filePath: string): Promise<{
    success: boolean;
    error?: string;
    oldVersion?: number;
    newVersion?: number;
}>;
export interface BackfillDatesResult {
    totalFiles: number;
    backfilled: number;
    alreadyHasDate: number;
    unparseable: number;
    errors: number;
    errorFiles: Array<{
        path: string;
        error: string;
    }>;
}
/**
 * Backfill missing date metadata in PKL files by deriving the date from the file path.
 * Only modifies files that have no date in their metadata.
 */
export declare function backfillDates(directory: string, dryRun?: boolean): Promise<BackfillDatesResult>;
export interface ProjectIdMapping {
    [slug: string]: string;
}
export interface ProjectIdMigrationResult {
    totalFiles: number;
    updated: number;
    skipped: number;
    errors: number;
    errorFiles: Array<{
        path: string;
        error: string;
    }>;
}
/**
 * Migrate projectId fields in transcript PKL files from slugs to UUIDs
 */
export declare function migrateProjectIds(directory: string, projectMappings: ProjectIdMapping, dryRun?: boolean): Promise<ProjectIdMigrationResult>;
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