Deprecated `-mapID` and `-setMapID:` to accurately reflect the APIs the ID is used for. Marked the property unavailable but reimplemented its getter and setter to assert with helpful messages. Fixes #1500.
Deprecated `-mapID` and `-setMapID:` to accurately reflect the APIs the ID is used for. Marked the property unavailable but reimplemented its getter and setter to assert with helpful messages. Fixes #1500.