<PackageReference Include="NETStandard.Library" Version="2.0.0" />

System.Diagnostics.ThreadWaitReason

public enum ThreadWaitReason
namespace System.Diagnostics { public enum ThreadWaitReason { EventPairHigh = 7, EventPairLow = 8, ExecutionDelay = 4, Executive = 0, FreePage = 1, LpcReceive = 9, LpcReply = 10, PageIn = 2, PageOut = 12, Suspended = 5, SystemAllocation = 3, Unknown = 13, UserRequest = 6, VirtualMemory = 11 } }