With PHPC-2699 adding properties to value objects and PHPC-2705 adding properties to BSON classes, the remaining classes that duplicate PHP's property logic are:

• MongoDB\Driver\Cursor
• MongoDB\Driver\Manager
• MongoDB\Driver\Session
• MongoDB\Driver\TopologyDescription

Since some of the properties will not have a constant value throughout the lifetime of the object, these may need to be implemented as hooked properties, which in turn may require using the read_property object handler.