using System; using System.Net.Http; using System.Net.Http.Headers; using System.Collections.Specialized; using System.Net; using System.Runtime.Serialization.Json; using System.Text; using BookAStar.Model.Auth.Account; namespace BookAStar.Droid { public static class YavscHelpers { public static void SetRegId(this User user, string regId) { if (user.YavscTokens == null) throw new InvalidOperationException(); } } }