Is there a way to send Data as bytes array? about electron-cgi-dotnet HOT 2 CLOSED

using System;
using System.IO;
using ElectronCgi.DotNet;

namespace Base64DotNet
{
    class Program
    {
        static void Main(string[] args)
        {
            var connection = new ConnectionBuilder().Build();
            connection.OnAsync<string, string>("read-file", async filePath =>
            {
                var fileBytes = await File.ReadAllBytesAsync(filePath);
                return Convert.ToBase64String(fileBytes);
            });
            connection.Listen();
        }
    }
}

const { ConnectionBuilder } = require('electron-cgi');
const fs = require('fs');

const connection = new ConnectionBuilder()
    .connectTo('dotnet', 'run', '--project', '../Base64DotNet')
    .build();


connection.send('read-file', '/home/rui/Pictures/cat.jpg', (err, base64Image) => {
    if (err) {
        console.log(err);
        return;
    }
    const bytes = Buffer.from(base64Image, 'base64');

    fs.writeFileSync('test.jpg', bytes);
    connection.close();
});