<PackageReference Include="Serilog" Version="4.4.0-dev-02438" />

Serilog.Debugging.SelfLog

public static class SelfLog
A simple source of information generated by Serilog itself, for example when exceptions are thrown and caught internally.
namespace Serilog.Debugging { public static class SelfLog { public static ILoggingFailureListener FailureListener { get; } public static void Enable(TextWriter output); public static void Enable(Action<string> output); public static void Disable(); public static void WriteLine(string format, object arg0 = null, object arg1 = null, object arg2 = null); } }