In order to inject Data Policy (Role) info into a VDB, we'll need the backing Manifest/XML framework similar to the rest of the VDB (i.e. SourceElement, ModelElement, etc...).
Following the current pattern would mean new DataPolicyElement, PermissionElement, etc... classes.
In addition, we'll need to add the structured objects necessary for the VDB Editor to create/edit DataPolicy structure compatible with Designer's Vdb, VdbModelEntry, VdbEntry.
Following the current pattern would mean new DataPolicyEntry (extends VdbEntry?), PersmissionEntry, etc.. classes