abc_method_t* abc_class_getconstructor(abc_class_t*cls, multiname_t*returntype);
abc_method_t* abc_class_getstaticconstructor(abc_class_t*cls, multiname_t*returntype);
abc_method_t* abc_class_getconstructor(abc_class_t*cls, multiname_t*returntype);
abc_method_t* abc_class_getstaticconstructor(abc_class_t*cls, multiname_t*returntype);