FUNCTION compute_known_visible_properties
(cl : class_bsu) : SET [0:?] OF property_bsu;
LOCAL
s: SET OF property_BSU := [];
END_LOCAL;
s := s + USEDIN(cl, 'ISO13584_IEC61360_DICTIONARY_SCHEMA' +
'.PROPERTY_BSU.NAME_SCOPE');
IF SIZEOF(cl.definition) = 0
THEN
RETURN(s);
ELSE
IF EXISTS(cl.definition[1]\class.its_superclass) THEN
s := s + compute_known_visible_properties(
cl.definition[1]\class.its_superclass);
END_IF;
RETURN(s);
END_IF; END_FUNCTION; -- compute_known_visible_properties
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