'''isBAAction/11'''

 * 'NIL'|package_name
 * component_type_identifier
 * 'NIL'|component_implementation_identifier
 * annex identifier
 * transition_identifier
 * (action) number
 * 'NIL'|feature or component
 * ':='|'!'|'?'|'>>'|'!<'|'!>'|'*!<'|'*!>'|'COMPUTATION'|'IF'|'ELSE'|'ELSIF'|'END IF'|'FOR'|'FORALL'|'END FOR'|'WHILE'|'END WHILE'|'DO'|'UNTIL'|'TIMEOUT'
 * 'NIL'|'ANY'|integer unit|'('parameter_list')'|value_expression|'('value_expression')'
 * 'NIL'|';'|'&'
 * line number (integer)

notes:

 * package_name is mandatory for AADL v2 (warning message 001)