import { Options } from 'csv-stringify';
import { TransformTyped } from '../stream.model';
/**
 * https://csv.js.org/stringify/options/
 */
export interface TransformToCSVOptions extends Options {
    /**
     * @default true
     * If true - will throw an error on JSON.parse / stringify error
     */
    strict?: boolean;
}
/**
 * Transforms objects (objectMode=true) into chunks \n-terminated JSON strings (readableObjectMode=false).
 */
export declare function transformToCSV<IN = any>(opt?: TransformToCSVOptions): TransformTyped<IN, string>;