<PackageReference Include="System.Diagnostics.EventLog" Version="5.0.0-preview.2.20160.6" />

EventLevel

public sealed class EventLevel
Contains an event level that is defined in an event provider. The level signifies the severity of the event.
namespace System.Diagnostics.Eventing.Reader { public sealed class EventLevel { public string DisplayName { get { throw new PlatformNotSupportedException(System.SR.PlatformNotSupported_EventLog); } } public string Name { get { throw new PlatformNotSupportedException(System.SR.PlatformNotSupported_EventLog); } } public int Value { get { throw new PlatformNotSupportedException(System.SR.PlatformNotSupported_EventLog); } } internal EventLevel() { } } }