Skipping 15 abstract elements
Skipping Data_Types:BooleanExpression
Skipping Data_Types:TypeExpression
Skipping Data_Types:MappingExpression
Skipping Data_Types:ProcedureExpression
Skipping Data_Types:ObjectSetExpression
Skipping Data_Types:IterationExpression
Skipping Data_Types:TimeExpression
Skipping Data_Types:ArgListsExpression
Skipping Core:ProgrammingLanguageDataType
Skipping Use_Cases:UseCaseInstance