using System.Runtime.CompilerServices; namespace System.Diagnostics { public static class Debugger { public static readonly string DefaultCategory; public static bool IsAttached { get { throw null; } } public static void Break() { } public static bool IsLogging() { throw null; } public static bool Launch() { throw null; } public static void Log(int level, string category, string message) {} public static void NotifyOfCrossThreadDependency() { } } }