'''isSubcomponent/9''' * 'NIL'|package_name * component_type_identifier * component_implementation_identifier * (subcomponent) identifier * component_category * 'NIL'|component_classifier_reference * 'NIL'|array_dimmensions * 'NIL'|'REFINED TO' * line number (integer) notes: * package_name is mandatory for AADL v2 (warning message 001)