type FlatMapOptions<TRecord, TMappedRecord> = {
    transformer: (record: TRecord) => Array<TMappedRecord>;
    records: Array<TRecord>;
};
/**
 * @description
 * Use this method to map each record to zero or more records, then flatten the results into a single new RecordSet.
 *
 * This is handy for extracting nested arrays or expanding items.
 */
export declare const flatMap: <TRecord, TMappedRecord>(options: FlatMapOptions<TRecord, TMappedRecord>) => Array<TMappedRecord>;
export {};