<PackageReference Include="NETStandard.Library" Version="2.0.0-preview2-25401-01" />

System.Diagnostics.DebuggableAttribute

public sealed class DebuggableAttribute : Attribute
namespace System.Diagnostics { public sealed class DebuggableAttribute : Attribute { public enum DebuggingModes { Default = 1, DisableOptimizations = 256, EnableEditAndContinue = 4, IgnoreSymbolStoreSequencePoints = 2, None = 0 } public DebuggingModes DebuggingFlags { get; } public bool IsJITOptimizerDisabled { get; } public bool IsJITTrackingEnabled { get; } public DebuggableAttribute(bool isJITTrackingEnabled, bool isJITOptimizerDisabled); public DebuggableAttribute(DebuggingModes modes); } }