BepInEx/BepInEx.Bootstrap/Linker.cs

using System.Diagnostics;
using BepInEx.Unity.Bootstrap;

namespace BepInEx.Bootstrap
{
	public static class Linker
	{
		public static void StartBepInEx()
		{
			var chainloader = new UnityChainloader();

			chainloader.Initialize(Process.GetCurrentProcess().MainModule.FileName);
			chainloader.Execute();
		}
	}
}