'''isPrototype/10'''

 * component_category|FEATURE GROUP|FEATURE
 * package name
 * component_type_identifier
 * 'NIL'|component_implementation_identifier
 * (prototype) identifier
 * 'NIL'|'IN'|'OUT' 
 * 'NIL'|component_classifier_reference
 * 'NIL'|'[]'
 * 'NIL'|'REFINED TO'
 * line number (integer)