decodeDBPointerNamespace

This functionality is deprecated in the BSON specification. See https://bsonspec.org/spec.html

Decodes this value as the namespace of a database pointer.

Database pointers are deprecated values that are composed of the name of a collection, and the identifier of one of its documents.

To read the identifier, see decodeDBPointerId.

If the value is not a BsonType.DBPointer.