Extensible select and enumeration types

and their elements in schema Part_external_reference_arm taking into account BASED_ON types


 activity_method_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Test_method_based_parameter_assignment

 analytical_model_port_assignment_select - EXTENSIBLE GENERIC_ENTITY SELECT

 assigned_name_select - EXTENSIBLE GENERIC_ENTITY SELECT
          External_class_library

 classification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          classified_element_select

 classified_element_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Product
          Product_version
          Product_view_definition

 closed_curve - EXTENSIBLE GENERIC_ENTITY SELECT
          Circle
          Closed_composite_curve

 constructive_element_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Axis_placement
          Curve
          point_select
          Surface

 documented_element_select - EXTENSIBLE SELECT
          Analytical_model_definition
          Externally_defined_size_dimension
          Model_parameter
          Property_value_representation

 element_with_dimension_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Shape_element

 external_identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Digital_analytical_model_vector_port
          Document_definition
          File
          User_defined_library_or_dictionary

 groupable_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Group_relationship

 identification_item - EXTENSIBLE SELECT

 material_item_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Coating_layer
          Template_definition

 measure_value - EXTENSIBLE SELECT
          any_number_value
          any_string_value
          length_measure
          plane_angle_measure

 measuring_gauge_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Part_view_definition

 organization_or_person_in_organization_item - EXTENSIBLE SELECT

 placed_element_select - EXTENSIBLE SELECT
          constructive_element_select
          Derived_geometry
          element_with_dimension_select

 point_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Cartesian_point
          Point_on_curve
          Point_on_surface

 property_assignment_select - EXTENSIBLE SELECT
          Analytical_model_definition
          Characterizable_object
          Shape_element

 represented_definition - EXTENSIBLE SELECT
          Assigned_property
          Independent_property

 template_definition_select - EXTENSIBLE SELECT
          Geometric_model