Extensible select and enumeration types

and their elements in schema FEATURE_AND_CONNECTION_ZONE_MIM taking into account BASED_ON types


 characterized_product_definition - EXTENSIBLE SELECT
          product_definition
          product_definition_relationship

 closed_curve - EXTENSIBLE GENERIC_ENTITY SELECT
          circle
          composite_curve

 document_reference_item - EXTENSIBLE SELECT
          dimensional_size
          externally_defined_dimension_definition

 external_identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          document_file
          product_definition
          trimmed_curve

 identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          dimensional_size
          document_file
          shape_representation

 item_identified_representation_usage_definition - EXTENSIBLE GENERIC_ENTITY SELECT
          dimensional_size
          represented_definition

 shape_model - EXTENSIBLE GENERIC_ENTITY SELECT
          constructive_geometry_representation
          shape_representation