<PackageReference Include="NETStandard.Library" Version="2.0.1" />

System.Diagnostics.Debug

public static class Debug
namespace System.Diagnostics { public static class Debug { public static bool AutoFlush { get; set; } public static int IndentLevel { get; set; } public static int IndentSize { get; set; } public static void Assert(bool condition); public static void Assert(bool condition, string message); public static void Assert(bool condition, string message, string detailMessage); public static void Assert(bool condition, string message, string detailMessageFormat, params object[] args); public static void Close(); public static void Fail(string message); public static void Fail(string message, string detailMessage); public static void Flush(); public static void Indent(); public static void Print(string message); public static void Print(string format, params object[] args); public static void Unindent(); public static void Write(object value); public static void Write(object value, string category); public static void Write(string message); public static void Write(string message, string category); public static void WriteIf(bool condition, object value); public static void WriteIf(bool condition, object value, string category); public static void WriteIf(bool condition, string message); public static void WriteIf(bool condition, string message, string category); public static void WriteLine(object value); public static void WriteLine(object value, string category); public static void WriteLine(string message); public static void WriteLine(string format, params object[] args); public static void WriteLine(string message, string category); public static void WriteLineIf(bool condition, object value); public static void WriteLineIf(bool condition, object value, string category); public static void WriteLineIf(bool condition, string message); public static void WriteLineIf(bool condition, string message, string category); } }