private void VerifyFromFavoriteSendersFolderEntryId(DefaultFolderContext context)
        {
            CultureInfo   defaultFoldersCulture = context.Session.SharedDataManager.DefaultFoldersCulture;
            DefaultFolder defaultFolder         = this.DefaultFolders[54];

            if (defaultFolder == null || defaultFolder.FolderId == null)
            {
                ExTraceGlobals.DefaultFoldersTracer.TraceDebug((long)this.GetHashCode(), "DefaultFolderManager::VerifyFromFavoriteSendersFolderEntryId. MyContacts folder information or the folder id is null. Returning.");
                return;
            }
            DefaultFolder defaultFolder2 = this.DefaultFolders[63];

            if (defaultFolder2 == null || defaultFolder2.FolderId == null)
            {
                ExTraceGlobals.DefaultFoldersTracer.TraceDebug((long)this.GetHashCode(), "DefaultFolderManager::VerifyFromFavoriteSendersFolderEntryId. FromFavoriteSenders folder or the folder id is null. Returning.");
                return;
            }
            if (!defaultFolder.FolderId.Equals(defaultFolder2.FolderId))
            {
                ExTraceGlobals.DefaultFoldersTracer.TraceDebug((long)this.GetHashCode(), "DefaultFolderManager::VerifyFromFavoriteSendersFolderEntryId. FromFavoriteSenders folder id doesn't match MyContacts folder id. Returning.");
                return;
            }
            string localizableDisplayName  = DefaultFolderManager.GetLocalizableDisplayName(DefaultFolderType.MyContacts, defaultFoldersCulture);
            string localizableDisplayName2 = DefaultFolderManager.GetLocalizableDisplayName(DefaultFolderType.FromFavoriteSenders, defaultFoldersCulture);

            if (localizableDisplayName.Equals(localizableDisplayName2, StringComparison.OrdinalIgnoreCase))
            {
                ExTraceGlobals.DefaultFoldersTracer.TraceDebug <string, CultureInfo>((long)this.GetHashCode(), "DefaultFolderManager::VerifyFromFavoriteSendersFolderEntryId. FromFavoriteSenders display name matches MyContacts display name '{0}' in culture {1}. Returning.", localizableDisplayName, defaultFoldersCulture);
                return;
            }
            ExTraceGlobals.DefaultFoldersTracer.TraceDebug((long)this.GetHashCode(), "DefaultFolderManager::VerifyFromFavoriteSendersFolderEntryId. Deleting and recreating FromFavoriteSenders and MyContacts folders to fix folder id conflict.");
            defaultFolder.RemoveForRecover();
            defaultFolder2.RemoveForRecover();
            DefaultFolderType[] foldersToInit = new DefaultFolderType[]
            {
                DefaultFolderType.MyContacts,
                DefaultFolderType.FromFavoriteSenders
            };
            this.CacheDefaultFolders(context, foldersToInit);
        }
        internal CultureInfo GetBestCulture(CultureInfo stampedCulture, string inboxDisplayName, MailboxSession session)
        {
            List <CultureInfo> list = new List <CultureInfo>();

            if (stampedCulture != null)
            {
                list.Add(stampedCulture);
            }
            if (inboxDisplayName != null)
            {
                CultureInfo cultureInfo = session.MailboxOwner.PreferredCultures.FirstOrDefault <CultureInfo>();
                if (cultureInfo != null)
                {
                    string localizableDisplayName = DefaultFolderManager.GetLocalizableDisplayName(DefaultFolderType.Inbox, cultureInfo);
                    if (string.Equals(localizableDisplayName, inboxDisplayName, StringComparison.OrdinalIgnoreCase))
                    {
                        list.Add(cultureInfo);
                    }
                }
            }
            list.Add(session.InternalPreferedCulture);
            return(Util.CultureSelector.GetPreferedCulture(list.ToArray()));
        }