private Dictionary <string, StoreObjectId> ProcessCommand(Dictionary <string, FolderNode> folders, Dictionary <string, StoreObjectType> contentTypeTable)
        {
            HierarchySyncOperations hierarchySyncOperations = this.folderHierarchySync.EnumerateServerOperations();

            if (hierarchySyncOperations == null)
            {
                throw new ApplicationException("EnumerateServerOperations returned null!");
            }
            this.serverManifest = ((GenericDictionaryData <StoreObjectIdData, StoreObjectId, FolderManifestEntry>) this.syncState[SyncStateProp.CurServerManifest]).Data;
            if (this.serverManifest == null)
            {
                throw new ApplicationException("Server Manifest returned null!");
            }
            Dictionary <string, StoreObjectId> dictionary = new Dictionary <string, StoreObjectId>();

            if (folders != null)
            {
                for (int i = 0; i < hierarchySyncOperations.Count; i++)
                {
                    HierarchySyncOperation hierarchySyncOperation = hierarchySyncOperations[i];
                    using (Folder folder = hierarchySyncOperation.GetFolder())
                    {
                        string oldIdFromNewId = FolderSyncUpgrade.GetOldIdFromNewId(folder.Id.ObjectId.ProviderLevelItemId);
                        if (oldIdFromNewId == null)
                        {
                            throw new ApplicationException("The new Id is invalid!");
                        }
                        FolderNode folderNode;
                        if (folders.TryGetValue(oldIdFromNewId, out folderNode))
                        {
                            FolderSyncUpgrade.StoreType(folderNode, folder.Id.ObjectId, contentTypeTable);
                            folders.Remove(oldIdFromNewId);
                            dictionary.Add(folderNode.ServerId, folder.Id.ObjectId);
                            FolderManifestEntry folderManifestEntry = this.serverManifest[folder.Id.ObjectId];
                            if (FolderSyncUpgrade.GetOldIdFromNewId(folderManifestEntry.ParentId.ProviderLevelItemId).CompareTo(this.PadOldId(folderNode.ParentId)) != 0 || folder.DisplayName.CompareTo(folderNode.DisplayName) != 0)
                            {
                                folderManifestEntry.ChangeKey = new byte[]
                                {
                                    1
                                };
                            }
                        }
                        else
                        {
                            if (FolderSyncUpgrade.GetOldIdFromNewId(folder.Id.ObjectId.ProviderLevelItemId) == null)
                            {
                                throw new ApplicationException("The new Id is invalid!");
                            }
                            string key = this.DepadNewId(FolderSyncUpgrade.GetOldIdFromNewId(folder.Id.ObjectId.ProviderLevelItemId));
                            dictionary.Add(key, folder.Id.ObjectId);
                            if (folder.ClassName.Equals("IPF.Appointment"))
                            {
                                contentTypeTable[key] = StoreObjectType.CalendarFolder;
                            }
                            else if (folder.ClassName.Equals("IPF.Contact"))
                            {
                                contentTypeTable[key] = StoreObjectType.ContactsFolder;
                            }
                            else
                            {
                                contentTypeTable[key] = StoreObjectType.Folder;
                            }
                            this.serverManifest.Remove(folder.Id.ObjectId);
                        }
                    }
                }
                IEnumerator enumerator = folders.GetEnumerator();
                enumerator.Reset();
                while (enumerator.MoveNext())
                {
                    object          obj             = enumerator.Current;
                    FolderNode      value           = ((KeyValuePair <string, FolderNode>)obj).Value;
                    UnicodeEncoding unicodeEncoding = new UnicodeEncoding();
                    byte[]          bytes           = unicodeEncoding.GetBytes(this.PadOldId(value.ServerId));
                    StoreObjectId   storeObjectId   = StoreObjectId.FromProviderSpecificId(bytes, StoreObjectType.Mailbox);
                    dictionary.Add(value.ServerId, storeObjectId);
                    FolderSyncUpgrade.StoreType(value, storeObjectId, contentTypeTable);
                    FolderManifestEntry folderManifestEntry2 = new FolderManifestEntry(storeObjectId);
                    folderManifestEntry2.ChangeKey = new byte[]
                    {
                        1
                    };
                    folderManifestEntry2.ChangeType = ChangeType.Add;
                    StoreObjectId storeObjectId2;
                    dictionary.TryGetValue(value.ParentId, out storeObjectId2);
                    if (storeObjectId2 == null)
                    {
                        if (value.ParentId.CompareTo("0") == 0)
                        {
                            folderManifestEntry2.ParentId = this.rootId;
                        }
                        else
                        {
                            folderManifestEntry2.ParentId = StoreObjectId.FromProviderSpecificId(unicodeEncoding.GetBytes(this.PadOldId(value.ParentId)));
                        }
                    }
                    else
                    {
                        folderManifestEntry2.ParentId = storeObjectId2;
                    }
                    this.serverManifest[storeObjectId] = folderManifestEntry2;
                }
            }
            else
            {
                for (int j = 0; j < hierarchySyncOperations.Count; j++)
                {
                    HierarchySyncOperation hierarchySyncOperation2 = hierarchySyncOperations[j];
                    using (Folder folder2 = hierarchySyncOperation2.GetFolder())
                    {
                        string oldIdFromNewId2 = FolderSyncUpgrade.GetOldIdFromNewId(folder2.Id.ObjectId.ProviderLevelItemId);
                        if (oldIdFromNewId2 == null)
                        {
                            throw new ApplicationException("The new Id is invalid!");
                        }
                        string key2 = this.DepadNewId(oldIdFromNewId2);
                        dictionary.Add(key2, folder2.Id.ObjectId);
                        if (folder2.ClassName.Equals("IPF.Appointment"))
                        {
                            contentTypeTable[key2] = StoreObjectType.CalendarFolder;
                        }
                        else if (folder2.ClassName.Equals("IPF.Contact"))
                        {
                            contentTypeTable[key2] = StoreObjectType.ContactsFolder;
                        }
                        else
                        {
                            contentTypeTable[key2] = StoreObjectType.Folder;
                        }
                    }
                }
            }
            return(dictionary);
        }