500   std::map<BackupID, std::unique_ptr<BackupMeta>> backups_;  member in ROCKSDB_NAMESPACE::BackupEngineImpl
645     assert(backups_.find(backup_id) == backups_.end());  in Initialize()
646     backups_.insert(std::make_pair(  in Initialize()
678     for (auto backup_iter = backups_.rbegin();  in Initialize()
679          backup_iter != backups_.rend();  in Initialize()
719       backups_.erase(backups_.find(corrupt.first));  in Initialize()
727           std::max(0, static_cast<int>(backups_.size()) -  in Initialize()
731       assert(backups_.begin()->second->Empty());  in Initialize()
732       backups_.erase(backups_.begin());  in Initialize()
794   assert(backups_.find(new_backup_id) == backups_.end());  in CreateNewBackupWithMetadata()
812   auto ret = backups_.insert(std::make_pair(  in CreateNewBackupWithMetadata()
1014   auto itr = backups_.begin();  in PurgeOldBackups()
1015   while ((backups_.size() - to_delete.size()) > num_backups_to_keep) {  in PurgeOldBackups()
1059   auto backup = backups_.find(backup_id);  in DeleteBackupInternal()
1060   if (backup != backups_.end()) {  in DeleteBackupInternal()
1065     backups_.erase(backup);  in DeleteBackupInternal()
1113   backup_info->reserve(backups_.size());  in GetBackupInfo()
1114   for (auto& backup : backups_) {  in GetBackupInfo()
1142   auto backup_itr = backups_.find(backup_id);  in RestoreDBFromBackup()
1143   if (backup_itr == backups_.end()) {  in RestoreDBFromBackup()
1264   auto backup_itr = backups_.find(backup_id);  in VerifyBackup()
1265   if (backup_itr == backups_.end()) {  in VerifyBackup()
1671         (backup_id == 0 || backups_.find(backup_id) != backups_.end())) {  in GarbageCollect()