PRODUCT_CLASS_XIM
short long

e	Class_category_association
e	Class_condition_association
e	Class_inclusion_association
e	Class_specification_association
d	Expression_operator
e	Product_class_armx
e	Product_class_relationship
e	Product_class_relationship__derivation
e	Product_class_relationship__hierarchy
e	Product_class_relationship__substitution
e	Product_class_relationship__version_sequence
e	Specification
e	Specification__package
e	Specification_category
e	Specification_category__exclusive
e	Specification_category_hierarchy
e	Specification_expression
e	Specification_inclusion
d	Specification_operand_select