---- Generic Object key types to be defined by specific Substrate/Architecture. The types defined here can be extended by the specific architecture to define the Object Identifiers ---- ---- Generic type that represents the key for various objects in SPPF. ---- ---- Generic type that represents the key for a SED group offer. ---- ----Generic type that represents the key for a Pub Id. ---- ---- Object Type Definitions ---- ---- Abstract Object and Element Type Definitions ----