interface MigratingSiteSchema {
    schemaEngineVersion?: string;
    version?: string;
    languages: string[];
    useModules?: string[];
    documentTypes?: any[];
    partTypes?: any[];
}
export declare function migrateFrom1To2(directory: string, siteSchema: MigratingSiteSchema): Promise<{
    version: string;
    languages: string[];
    useModules?: string[];
    documentTypes?: any[];
    partTypes?: any[];
}>;
export {};