traverse hierarchy for dynamic interfaces ceylon/ceylon-js#362
traverse hierarchy for dynamic interfaces ceylon/ceylon-js#362

ceylon/ceylon.language,ceylon/ceylon.language,unratito/ceylon.language,lucaswerkmeister/ceylon.language,jvasileff/ceylon.language,jvasileff/ceylon.language,lucaswerkmeister/ceylon.language,unratito/ceylon.language