Extensible select and enumeration types

and their elements in schema MESH_CONNECTIVITY_MIM taking into account BASED_ON types


 approval_item - EXTENSIBLE GENERIC_ENTITY SELECT
          product_definition
          product_definition_formation

 characterized_product_definition - EXTENSIBLE SELECT
          product_definition
          product_definition_relationship

 classification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          product
          product_definition
          product_definition_formation

 contract_item - EXTENSIBLE GENERIC_ENTITY SELECT
          product_definition_formation

 date_and_time_item - EXTENSIBLE SELECT
          approval_person_organization
          product_definition

 date_item - EXTENSIBLE SELECT
          approval_person_organization
          product_definition

 external_identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          document_file

 identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          document_file
          product
          product_definition_formation
          shape_representation

 item_identified_representation_usage_definition - EXTENSIBLE GENERIC_ENTITY SELECT
          represented_definition

 mesh_location - EXTENSIBLE ENUMERATION
          application_defined
          cell_centre
          edge_centre
          face_centre
          iface_centre
          jface_centre
          kface_centre
          unspecified
          vertices

 mismatched_region_type - EXTENSIBLE ENUMERATION
          abutting
          overset

 organization_item - EXTENSIBLE SELECT
          product
          product_definition
          product_definition_formation

 person_and_organization_item - EXTENSIBLE SELECT
          product
          product_definition
          product_definition_formation

 property_distribution_select - EXTENSIBLE SELECT
          action_property
          general_property_relationship
          property_definition
          resource_property

 security_classification_item - EXTENSIBLE SELECT
          product_definition_formation

 shape_model - EXTENSIBLE GENERIC_ENTITY SELECT
          shape_representation

 space_context_select - EXTENSIBLE SELECT
          action
          action_method
          general_property
          product_definition
          representation_item
          shape_aspect

 structured_mesh_type - EXTENSIBLE ENUMERATION
          pentahedral
          pyramidal
          rectangular
          tetrahedral