| Class | Description | 
|---|---|
| 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. | 
| CodeWithScope | A representation of the JavaScript Code with Scope BSON type. | 
| CodeWScope | Represents the CodeWScope BSON type. | 
| Decimal128 | A binary integer decimal representation of a 128-bit decimal value, supporting 34 decimal digits of significand and an exponent range
 of -6143 to +6144. | 
| 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 an instance of the BSON symbol type. |