OpenVDB  8.0.1
Namespace List
Here is a list of all namespaces with brief descriptions:
[detail level 12345]
 NfutureA container for ABI=5 to help ease introduction of upcoming features
 Nnode_info_textNamespace to hold functionality for registering info text callbacks. Whenever getNodeSpecificInfoText() is called, the default info text is added to MMB output unless a valid callback has been registered for the grid type