isComponentType/6

• 'NIL'|package_name
• 'NIL'|'PUBLIC'|'PRIVATE'
• (component type) identifier
• component_category|'FEATURE GROUP'|'PORT GROUP'
• 'NIL'|ancestor_type_reference
• line number (integer)

notes:

• package_name is mandatory for AADL v2 (warning message 001)
• NIL is not a valid value for scope (warning message 002)
• PORT GROUP is not valid for AADL v2 (warning message 003)