NanoPark/Assets/Mirror/Runtime/Transport/KCP/kcp2k/highlevel/Log.cs

// A simple logger class that uses Console.WriteLine by default.
// Can also do Logger.LogMethod = Debug.Log for Unity etc.
// (this way we don't have to depend on UnityEngine)
using System;

namespace kcp2k
{
    public static class Log
    {
        public static Action<string> Info = Console.WriteLine;
        public static Action<string> Warning = Console.WriteLine;
        public static Action<string> Error = Console.Error.WriteLine;
    }
}