380         ret._setOnCancel(maybePromise);
1019         Promise.prototype._setOnCancel = cancellationSetOnCancel;  method in Promise
1049 Promise.prototype._setOnCancel = function (handler) { ; };  method in Promise
1085             this._setOnCancel([previousOnCancel, onCancel]);
1088         this._setOnCancel(onCancel);
2148         internal._setOnCancel(this);
3499     promise._setOnCancel(this);
4755             ret._setOnCancel(value);
4761             ret._setOnCancel(new HandleWrapper(handle));
4817         ret._setOnCancel(handleWrapper);
5025         promise._setOnCancel(resources);