/**
 * Generates a fake csv file for the given file size.
 *
 * @example
 * generateCsv(1000 * 1000 * 2, 'foo.csv')
 */
export declare function generateCsv(fileSize: number | string, fileName?: string): Promise<{
    contents: Buffer;
    size: number;
    name: string;
    mime: string;
}>;