Contains classes implementing various BSON types.
| BasicBSONList | Utility class to allow array DBObjects to be created. |
| Binary | generic binary holder |
| BSONTimestamp | this is used for internal increment values. |
| Code | for using the Code type |
| CodeWScope | for using the CodeWScope type |
| MaxKey | Represent the maximum key value regardless of the key's type |
| MinKey | Represent the minimum key value regardless of the key's type |
| ObjectId | A globally unique identifier for objects. |
| Symbol | Class to hold a BSON symbol object, which is an interned string in Ruby |