namespace System.Net.Http { internal sealed class WinHttpAuthHelper { public void CheckResponseForAuthentication(WinHttpRequestState state, ref uint proxyAuthScheme, ref uint serverAuthScheme); public void PreAuthenticateRequest(WinHttpRequestState state, uint proxyAuthScheme); public bool GetServerCredentialsFromCache(Uri uri, out uint serverAuthScheme, out NetworkCredential serverCredentials); public void SaveServerCredentialsToCache(Uri uri, uint authScheme, ICredentials serverCredentials); public void ChangeDefaultCredentialsPolicy(global::Interop.WinHttp.SafeWinHttpHandle requestHandle, uint authTarget, bool allowDefaultCredentials); public WinHttpAuthHelper(); } }