choice_set
INSTANCE choice_set#1;
extracted_from = {oneof_supertype_expression#24};
choice_set = ?set;
is_optional = true;
constrained_entity = entity_type#172;
END_INSTANCE;
INSTANCE choice_set#2;
extracted_from = {defined_type#32};
choice_set = ?list;
is_optional = ?optional;
constrained_entity = ?entity;
attribute = explicit_attribute#278;
END_INSTANCE;
INSTANCE choice_set#3;
extracted_from = {defined_type#33};
choice_set = ?set;
is_optional = ?optional;
constrained_entity = ?entity;
attribute = explicit_attribute#279;
END_INSTANCE;
INSTANCE choice_set#4;
extracted_from = {oneof_supertype_expression#25};
choice_set = ?set;
is_optional = false;
constrained_entity = entity_type#174;
END_INSTANCE;
INSTANCE choice_set#5;
choice_set = ?list;
is_optional = ?optional;
constrained_entity = ?constrainee;
END_INSTANCE;
INSTANCE choice_set#6;
END_INSTANCE;