Extensible select and enumeration types

and their elements in schema STATE_DEFINITION_XIM taking into account BASED_ON types


 action_items - EXTENSIBLE GENERIC_ENTITY SELECT
          applied_state_definition_assignment
          applied_state_type_assignment

 classification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          applied_state_definition_assignment
          state_type
          state_type_assignment
          state_type_relationship

 external_identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          externally_defined_identification_assignment

 identification_item - EXTENSIBLE SELECT
          state_type
          state_type_relationship

 state_definition_of_item - EXTENSIBLE GENERIC_ENTITY SELECT

 state_type_of_item - EXTENSIBLE GENERIC_ENTITY SELECT

 versionable_item - EXTENSIBLE SELECT