Extensible select and enumeration types

and their elements in schema Requirement_model_assignment_arm taking into account BASED_ON types


 activity_item - EXTENSIBLE GENERIC_ENTITY SELECT

 approval_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Certification
          Contract

 certification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Qualification_assignment

 classification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Experience_type
          Location
          Location_relationship
          Managed_resource
          Managed_resource_relationship
          Person_or_organization_or_person_in_organization_in_position_relationship
          Position
          Position_group
          Position_group_relationship
          Position_position_type_assignment
          Position_relationship
          Position_type
          Qualification_type
          Required_resource
          Required_resource_assignment
          Required_resource_relationship
          Resource_as_realized
          Resource_as_realized_assignment
          Resource_as_realized_relationship
          Resource_event
          Resource_event_correspondence_relationship
          Resource_event_relationship
          Resource_item
          Resource_item_assignment
          Resource_item_relationship
          Type_of_person
          Type_of_person_assignment
          Type_of_person_definition
          Type_of_person_definition_relationship
          Type_of_person_definition_required_attributes_relationship

 contract_item - EXTENSIBLE SELECT

 date_or_date_time_item - EXTENSIBLE SELECT
          Certification
          Contract
          Experience_instance
          Organization_or_person_in_organization_assignment
          Qualification_assignment
          Security_classification_assignment

 defined_activities - EXTENSIBLE GENERIC_ENTITY SELECT
          Activity_actual
          Resource_as_realized

 defined_attributes - EXTENSIBLE GENERIC_ENTITY SELECT
          Experience_type
          Qualification_type

 defined_methods - EXTENSIBLE GENERIC_ENTITY SELECT
          Activity
          Activity_method
          Required_resource

 documented_element_select - EXTENSIBLE SELECT

 event_item - EXTENSIBLE GENERIC_ENTITY SELECT

 external_identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Document_definition
          File

 identification_item - EXTENSIBLE SELECT
          Approval_status
          Contract
          Organization
          Requirement
          Requirement_version
          Requirement_view_definition
          Security_classification

 location_assignment_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Managed_resource

 measure_value - EXTENSIBLE SELECT
          any_number_value
          any_string_value
          length_measure
          plane_angle_measure

 organization_or_person_in_organization_item - EXTENSIBLE SELECT
          Contract
          Identification_assignment
          Qualification_assignment
          Qualification_type
          Security_classification_assignment

 person_or_organization_or_person_in_organization_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Organization
          Person
          Person_in_organization

 position_context_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Organization
          Position_group
          Project

 position_group_item - EXTENSIBLE GENERIC_ENTITY SELECT

 position_item - EXTENSIBLE GENERIC_ENTITY SELECT

 position_person_or_organization_or_person_in_organization_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Organization
          Person
          Person_in_organization

 position_type_item - EXTENSIBLE GENERIC_ENTITY SELECT

 product_based_location_representation - EXTENSIBLE GENERIC_ENTITY SELECT
          Product
          Product_version

 project_item - EXTENSIBLE SELECT

 property_assignment_select - EXTENSIBLE SELECT
          Experience_instance
          Type_of_person_definition

 qualifications_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Organization
          Person
          Person_in_organization

 represented_definition - EXTENSIBLE SELECT
          Assigned_property
          Independent_property

 required_resource_item - EXTENSIBLE GENERIC_ENTITY SELECT

 requirement_assignment_item - EXTENSIBLE SELECT
          Document_tbd
          Interface_tbd
          Part_tbd
          Transformation_tbd

 requirement_source_item - EXTENSIBLE SELECT

 resource_as_realized_item - EXTENSIBLE GENERIC_ENTITY SELECT

 resource_assignment_item - EXTENSIBLE GENERIC_ENTITY SELECT

 resource_item_select - EXTENSIBLE GENERIC_ENTITY SELECT

 security_classification_item - EXTENSIBLE SELECT

 string_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Approval
          Approval_relationship
          Approval_status
          Certification
          Contract
          Date_or_date_time_assignment
          Identification_assignment
          Organization_relationship
          Person_in_organization
          Project
          Project_assignment
          Project_relationship

 type_of_person_item_select - EXTENSIBLE GENERIC_ENTITY SELECT