import { DEFAULT_DELIMITER, DEFAULT_QUOTATION } from '../../../core/constants';
import { CSVRecord, ParseOptions } from '../../../core/types';
/**
 * Parse CSV stream in main thread.
 * This is the default streaming implementation.
 *
 * @internal
 * @param stream CSV string stream to parse
 * @param options Parsing options
 * @returns Async iterable iterator of records
 */
export declare function parseStreamInMain<Header extends ReadonlyArray<string>, Delimiter extends string = DEFAULT_DELIMITER, Quotation extends string = DEFAULT_QUOTATION>(stream: ReadableStream<string>, options?: ParseOptions<Header, Delimiter, Quotation>): AsyncIterableIterator<CSVRecord<Header>>;