enum FilerType { kFileFiler = 0, kCopyFiler = 1, kUndoFiler = 2, kBagFiler = 3, kIdXlateFiler = 4, kPageFiler = 5, kDeepCloneFiler = 6, kIdFiler = 7, kPurgeFiler = 8, kWblockCloneFiler = 9 };