This is the inner object which VectorMap uses to manage data.
Some methods return MapSource object reference directly,
this means you can modify it yourself if you needed.
But modifying key is strongly discouraged because
it could make a mangling pointer.
MapSource object.
This is the inner object which VectorMap uses to manage data. Some methods return MapSource object reference directly, this means you can modify it yourself if you needed. But modifying
keyis strongly discouraged because it could make a mangling pointer.