<PackageReference Include="System.Net.Http.WinHttpHandler" Version="11.0.0-preview.5.26302.115" />

System.Net.Http.CookieUsePolicy

public enum CookieUsePolicy
This enumeration allows control of HTTP cookies when communicating with the server.
namespace System.Net.Http { public enum CookieUsePolicy { IgnoreCookies, UseInternalCookieStoreOnly, UseSpecifiedCookieContainer } }