Extensible select and enumeration types

and their elements in schema ITEM_DEFINITION_STRUCTURE_XIM taking into account BASED_ON types


 constructive_element_select - EXTENSIBLE GENERIC_ENTITY SELECT
          axis2_placement
          curve
          point_select
          surface

 date_and_time_item - EXTENSIBLE SELECT
          event_occurrence

 date_item - EXTENSIBLE SELECT
          event_occurrence

 document_reference_item - EXTENSIBLE SELECT
          part
          part_version
          part_view_definition
          product
          product_definition
          product_definition_formation

 effectivity_item - EXTENSIBLE SELECT
          part_definition_relationship

 extended_value_with_unit - EXTENSIBLE SELECT
          measure_with_unit
          value_limit
          value_range

 external_identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          document_definition
          document_file
          external_source
          externally_defined_class
          externally_defined_effectivity_or_ineffectivity_assignment__aea
          externally_defined_general_property
          externally_defined_identification_assignment
          file
          product_definition

 externally_versioned_item - EXTENSIBLE GENERIC_ENTITY SELECT
          externally_defined_general_property

 groupable_item - EXTENSIBLE GENERIC_ENTITY SELECT
          package_product_concept_feature
          product_concept_feature

 identification_item - EXTENSIBLE SELECT
          document_file
          product_class
          product_concept_feature
          product_identification
          shape_representation

 name_item - EXTENSIBLE GENERIC_ENTITY SELECT
          external_class_library

 organization_item - EXTENSIBLE SELECT
          class
          product
          product_definition
          product_definition_formation

 person_and_organization_item - EXTENSIBLE SELECT
          product
          product_definition
          product_definition_formation

 property_assignment_select - EXTENSIBLE SELECT
          part_view_definition
          product_definition_relationship

 template_definition_select - EXTENSIBLE SELECT
          shape_representation

 versionable_item - EXTENSIBLE SELECT
          document_file
          product_class
          product_concept_feature
          product_identification
          shape_representation