Maps type, a structure type of this namespace, to target in the namespace's role map (RoleMapNS).
public void MapRole(CosName type, PdfStructureType target)
The type in this namespace.
The type it maps to: written as a name when it is in the default namespace, else as [name namespace].
ISO 32000-2 §14.7.4.2, Table 356 (RoleMapNS), §14.8.6.2; ISO/TS 32005 §5.6. Replaces an earlier mapping of the type.