| machineId | FoundationDB.Options.DatabaseOption |
| majorVersion | FoundationDB.Layer.Directory.Internal |
| ManualPrefixConflict | FoundationDB.Error.Internal, FoundationDB.Error, FoundationDB |
| mappedKeySelectorBegin | FoundationDB.Internal.Bindings, FoundationDB.Transaction, FoundationDB |
| mappedKeySelectorEnd | FoundationDB.Internal.Bindings, FoundationDB.Transaction, FoundationDB |
| MappedKeyValue | |
| 1 (Type/Class) | FoundationDB.Internal.Bindings, FoundationDB.Transaction, FoundationDB |
| 2 (Data Constructor) | FoundationDB.Internal.Bindings, FoundationDB.Transaction, FoundationDB |
| mappedKeyValues | FoundationDB.Internal.Bindings, FoundationDB.Transaction, FoundationDB |
| MappedRangeDone | FoundationDB.Transaction, FoundationDB |
| MappedRangeMore | FoundationDB.Transaction, FoundationDB |
| MappedRangeResult | FoundationDB.Transaction, FoundationDB |
| Mapper | |
| 1 (Type/Class) | FoundationDB.Transaction, FoundationDB |
| 2 (Data Constructor) | FoundationDB.Transaction, FoundationDB |
| max | FoundationDB.Options.MutationType |
| maxRetries | FoundationDB.Transaction, FoundationDB |
| MaxRetriesExceeded | FoundationDB.Error.Internal, FoundationDB.Error, FoundationDB |
| maxRetryDelay | FoundationDB.Options.TransactionOption |
| maxWatches | FoundationDB.Options.DatabaseOption |
| microVersion | FoundationDB.Layer.Directory.Internal |
| min | FoundationDB.Options.MutationType |
| minorVersion | FoundationDB.Layer.Directory.Internal |
| move | FoundationDB.Layer.Directory.Internal, FoundationDB.Layer.Directory |
| MoveBetweenPartitions | FoundationDB.Layer.Directory.Internal |
| MoveError | FoundationDB.Layer.Directory.Internal |
| MutationType | FoundationDB.Options.MutationType |
| MutationTypeBytes | FoundationDB.Options.MutationType |
| MutationTypeFlag | FoundationDB.Options.MutationType |
| MutationTypeInt | FoundationDB.Options.MutationType |
| MutationTypeString | FoundationDB.Options.MutationType |