<PackageReference Include="NETStandard.Library" Version="2.0.2" />

System.Net.Http.Headers.WarningHeaderValue

namespace System.Net.Http.Headers { public class WarningHeaderValue : ICloneable { public string Agent { get; } public int Code { get; } public DateTimeOffset? Date { get; } public string Text { get; } public WarningHeaderValue(int code, string agent, string text); public WarningHeaderValue(int code, string agent, string text, DateTimeOffset date); public static WarningHeaderValue Parse(string input); public static bool TryParse(string input, out WarningHeaderValue parsedValue); } }