365     var maybePromise = tryConvertToPromise(thisArg);
369     ret._setBoundTo(maybePromise);
370     if (maybePromise instanceof Promise) {
375             bindingPromise: maybePromise
378         maybePromise._then(
380         ret._setOnCancel(maybePromise);
2022             var maybePromise = tryConvertToPromise(ret, promise);
2023             if (maybePromise instanceof Promise) {
2025                     if (maybePromise._isCancelled()) {
2031                     } else if (maybePromise.isPending()) {
2032                         maybePromise._attachCancellationCallback(
2036                 return maybePromise._then(
2134         var maybePromise = tryConvertToPromise(result, traceParent);
2135         if (maybePromise instanceof Promise) return maybePromise;
2259         var maybePromise = tryConvertToPromise(value, this._promise);
2260         if (!(maybePromise instanceof Promise)) {
2261             maybePromise =  property
2262                 promiseFromYieldHandler(maybePromise,
2265             if (maybePromise === null) {
2276         maybePromise = maybePromise._target();
2277         var bitField = maybePromise._bitField;
2280             this._yieldedPromise = maybePromise;
2281             maybePromise._proxy(this, null);
2284                 this._promiseFulfilled, this, maybePromise._value()
2288                 this._promiseRejected, this, maybePromise._reason()
2351         if (false) { var domain, bitField, maybePromise, i, callbacks, holder, HolderClass, ret; }
2435         var maybePromise = tryConvertToPromise(ret, this._promise);
2436         if (maybePromise instanceof Promise) {
2437             maybePromise = maybePromise._target();  property
2438             var bitField = maybePromise._bitField;
2442                 values[index] = maybePromise;
2443                 maybePromise._proxy(this, (index + 1) * -1);
2446                 ret = maybePromise._value();
2448                 this._reject(maybePromise._reason());
3132     var maybePromise = tryConvertToPromise(value, this);
3133     if (!(maybePromise instanceof Promise)) return this._fulfill(value);
3135     if (shouldBind) this._propagateFrom(maybePromise, 2);
3137     var promise = maybePromise._target();
3568         var maybePromise = tryConvertToPromise(values[i], result);
3570         if (maybePromise instanceof Promise) {
3571             maybePromise = maybePromise._target();  property
3572             bitField = maybePromise._bitField;
3579                 maybePromise.suppressUnhandledRejections();
3583                 maybePromise._proxy(this, i);
3584                 this._values[i] = maybePromise;
3586                 isResolved = this._promiseFulfilled(maybePromise._value(), i);
3588                 isResolved = this._promiseRejected(maybePromise._reason(), i);
3593             isResolved = this._promiseFulfilled(maybePromise, i);
4070     var maybePromise = tryConvertToPromise(promises);
4072     if (maybePromise instanceof Promise) {
4073         return raceLater(maybePromise);
4844         var maybePromise = tryConvertToPromise(thenable);
4845         if (maybePromise !== thenable &&
4849             maybePromise._setDisposable(thenable._getDisposer());  field
4851         return maybePromise;
4859             var maybePromise = castPreservingDisposable(resources[i++]);
4860             if (maybePromise instanceof Promise &&
4861                 maybePromise._isDisposable()) {
4863                     maybePromise = tryConvertToPromise(
4864                         maybePromise._getDisposer().tryDispose(inspection),
4869                 if (maybePromise instanceof Promise) {
4870                     return maybePromise._then(iterator, thrower,
4979                 var maybePromise = tryConvertToPromise(resource);
4980                 if (maybePromise instanceof Promise) {
4982                         maybePromise._then(maybeUnwrapDisposer, null, null, {