/// <reference types="node" />
import type * as fs from 'fs';
import type { ITableSerializer } from './ITableSerializer';
export declare class TableSerializerCsv implements ITableSerializer {
    readonly os: fs.WriteStream;
    constructor(os: fs.WriteStream);
    writeHeader(columns: string[]): void;
    writeRow(columns: string[]): void;
    close(): void;
}