262 Maybe<ComparisonResult> Object::Compare(Handle<Object> x, Handle<Object> y,  in Compare()
300 Maybe<bool> Object::Equals(Handle<Object> x, Handle<Object> y) {  in Equals()
626 Maybe<bool> Object::IsArray(Handle<Object> object) {  in IsArray()
743 Maybe<bool> JSReceiver::HasProperty(LookupIterator* it) {  in HasProperty()
754         Maybe<PropertyAttributes> result =  in HasProperty()
762         Maybe<PropertyAttributes> result =  in HasProperty()
874   Maybe<bool> target_found =  in GetProperty()
1114   Maybe<bool> is_extensible = JSReceiver::IsExtensible(target);  in GetPrototype()
1196 Maybe<bool> Object::SetPropertyWithAccessor(LookupIterator* it,  in SetPropertyWithAccessor()
1271 Maybe<bool> Object::SetPropertyWithDefinedSetter(Handle<Object> receiver,  in SetPropertyWithDefinedSetter()
1290   Maybe<bool> has_stack_trace =  in IsErrorObject()
1348 Maybe<PropertyAttributes> JSObject::GetPropertyAttributesWithFailedAccessCheck(  in GetPropertyAttributesWithFailedAccessCheck()
1381 Maybe<bool> JSObject::SetPropertyWithFailedAccessCheck(  in SetPropertyWithFailedAccessCheck()
1440 Maybe<bool> Object::HasInPrototypeChain(Isolate* isolate, Handle<Object> object,  in HasInPrototypeChain()
1617   Maybe<bool> is_array = Object::IsArray(original_array);  in ArraySpeciesConstructor()
2505   Maybe<bool> is_array = Object::IsArray(object);  in BuiltinStringTag()
3998 Maybe<bool> JSObject::SetPropertyWithInterceptor(LookupIterator* it,  in SetPropertyWithInterceptor()
4060 Maybe<bool> Object::SetPropertyInternal(LookupIterator* it,  in SetPropertyInternal()
4093           Maybe<bool> result = JSObject::SetPropertyWithInterceptor(it, value);  in SetPropertyInternal()
4096           Maybe<PropertyAttributes> maybe_attributes =  in SetPropertyInternal()
4155 Maybe<bool> Object::SetProperty(LookupIterator* it, Handle<Object> value,  in SetProperty()
4165   Maybe<bool> result =  in SetProperty()
4172 Maybe<bool> Object::SetSuperProperty(LookupIterator* it, Handle<Object> value,  in SetSuperProperty()
4184   Maybe<bool> result =  in SetSuperProperty()
4226         Maybe<bool> owned =  in SetSuperProperty()
4281 Maybe<bool> Object::CannotCreateProperty(Isolate* isolate,  in CannotCreateProperty()
4293 Maybe<bool> Object::WriteToReadOnlyProperty(LookupIterator* it,  in WriteToReadOnlyProperty()
4301 Maybe<bool> Object::WriteToReadOnlyProperty(Isolate* isolate,  in WriteToReadOnlyProperty()
4312 Maybe<bool> Object::RedefineIncompatibleProperty(Isolate* isolate,  in RedefineIncompatibleProperty()
4321 Maybe<bool> Object::SetDataProperty(LookupIterator* it, Handle<Object> value) {  in SetDataProperty()
4426 Maybe<bool> Object::AddDataProperty(LookupIterator* it, Handle<Object> value,  in AddDataProperty()
4473     Maybe<bool> result = JSObject::AddDataElement(receiver, it->index(), value,  in AddDataProperty()
4846 Maybe<bool> JSProxy::HasProperty(Isolate* isolate, Handle<JSProxy> proxy,  in HasProperty()
4885     Maybe<bool> target_found = JSReceiver::GetOwnPropertyDescriptor(  in HasProperty()
4898       Maybe<bool> extensible_target = JSReceiver::IsExtensible(target);  in HasProperty()
4913 Maybe<bool> JSProxy::SetProperty(Handle<JSProxy> proxy, Handle<Name> name,  in SetProperty()
4956   Maybe<bool> owned =  in SetProperty()
4982 Maybe<bool> JSProxy::DeletePropertyOrElement(Handle<JSProxy> proxy,  in DeletePropertyOrElement()
5022   Maybe<bool> owned =  in DeletePropertyOrElement()
5115 Maybe<PropertyAttributes> JSProxy::GetPropertyAttributes(LookupIterator* it) {  in GetPropertyAttributes()
5119   Maybe<bool> found = JSProxy::GetOwnPropertyDescriptor(  in GetPropertyAttributes()
5195   Maybe<PropertyAttributes> maybe = GetPropertyAttributes(&it);  in AddProperty()
5227 Maybe<bool> JSObject::DefineOwnPropertyIgnoreAttributes(  in DefineOwnPropertyIgnoreAttributes()
5260           Maybe<bool> result = JSObject::SetPropertyWithInterceptor(it, value);  in DefineOwnPropertyIgnoreAttributes()
5276           Maybe<bool> result =  in DefineOwnPropertyIgnoreAttributes()
5379 Maybe<PropertyAttributes> JSObject::GetPropertyAttributesWithInterceptor(  in GetPropertyAttributesWithInterceptor()
5448 Maybe<PropertyAttributes> JSReceiver::GetPropertyAttributes(  in GetPropertyAttributes()
5458         Maybe<PropertyAttributes> result =  in GetPropertyAttributes()
6081   Maybe<PropertyAttributes> maybe = GetPropertyAttributes(&it);  in HasHiddenProperties()
6150 Maybe<bool> JSObject::DeletePropertyWithInterceptor(LookupIterator* it) {  in DeletePropertyWithInterceptor()
6224 Maybe<bool> JSReceiver::DeleteProperty(LookupIterator* it,  in DeleteProperty()
6261         Maybe<bool> result = JSObject::DeletePropertyWithInterceptor(it);  in DeleteProperty()
6310 Maybe<bool> JSReceiver::DeleteElement(Handle<JSReceiver> object, uint32_t index,  in DeleteElement()
6318 Maybe<bool> JSReceiver::DeleteProperty(Handle<JSReceiver> object,  in DeleteProperty()
6326 Maybe<bool> JSReceiver::DeletePropertyOrElement(Handle<JSReceiver> object,  in DeletePropertyOrElement()
6381   Maybe<bool> success = DefineOwnProperty(  in DefineProperty()
6431     Maybe<PropertyAttributes> maybe = JSReceiver::GetPropertyAttributes(&it);  in DefineProperties()
6458     Maybe<bool> status =  in DefineProperties()
6471 Maybe<bool> JSReceiver::DefineOwnProperty(Isolate* isolate,  in DefineOwnProperty()
6496 Maybe<bool> JSReceiver::OrdinaryDefineOwnProperty(Isolate* isolate,  in OrdinaryDefineOwnProperty()
6523 Maybe<bool> JSReceiver::OrdinaryDefineOwnProperty(LookupIterator* it,  in OrdinaryDefineOwnProperty()
6548 Maybe<bool> JSReceiver::IsCompatiblePropertyDescriptor(  in IsCompatiblePropertyDescriptor()
6561 Maybe<bool> JSReceiver::ValidateAndApplyPropertyDescriptor(  in ValidateAndApplyPropertyDescriptor()
6826 Maybe<bool> JSReceiver::CreateDataProperty(LookupIterator* it,  in CreateDataProperty()
6848 Maybe<bool> JSObject::CreateDataProperty(LookupIterator* it,  in CreateDataProperty()
6886 Maybe<bool> JSArray::DefineOwnProperty(Isolate* isolate, Handle<JSArray> o,  in DefineOwnProperty()
6902     Maybe<bool> success = GetOwnPropertyDescriptor(  in DefineOwnProperty()
6921     Maybe<bool> succeeded =  in DefineOwnProperty()
6988 Maybe<bool> JSArray::ArraySetLength(Isolate* isolate, Handle<JSArray> a,  in ArraySetLength()
7010   Maybe<bool> success = GetOwnPropertyDescriptor(  in ArraySetLength()
7055     Maybe<bool> success = OrdinaryDefineOwnProperty(  in ArraySetLength()
7078 Maybe<bool> JSProxy::DefineOwnProperty(Isolate* isolate, Handle<JSProxy> proxy,  in DefineOwnProperty()
7137   Maybe<bool> target_found =  in DefineOwnProperty()
7141   Maybe<bool> maybe_extensible = JSReceiver::IsExtensible(target);  in DefineOwnProperty()
7167     Maybe<bool> valid =  in DefineOwnProperty()
7190 Maybe<bool> JSProxy::AddPrivateProperty(Isolate* isolate, Handle<JSProxy> proxy,  in AddPrivateProperty()
7225 Maybe<bool> JSReceiver::GetOwnPropertyDescriptor(Isolate* isolate,  in GetOwnPropertyDescriptor()
7242 Maybe<bool> JSReceiver::GetOwnPropertyDescriptor(LookupIterator* it,  in GetOwnPropertyDescriptor()
7253   Maybe<PropertyAttributes> maybe = JSObject::GetPropertyAttributes(it);  in GetOwnPropertyDescriptor()
7298 Maybe<bool> JSProxy::GetOwnPropertyDescriptor(Isolate* isolate,  in GetOwnPropertyDescriptor()
7346   Maybe<bool> found =  in GetOwnPropertyDescriptor()
7361     Maybe<bool> extensible_target = JSReceiver::IsExtensible(target);  in GetOwnPropertyDescriptor()
7374   Maybe<bool> extensible_target = JSReceiver::IsExtensible(target);  in GetOwnPropertyDescriptor()
7386   Maybe<bool> valid =  in GetOwnPropertyDescriptor()
7547 Maybe<bool> JSReceiver::SetIntegrityLevel(Handle<JSReceiver> receiver,  in SetIntegrityLevel()
7596     Maybe<bool> owned = JSReceiver::GetOwnPropertyDescriptor(  in SetIntegrityLevel()
7613 Maybe<bool> JSReceiver::TestIntegrityLevel(Handle<JSReceiver> object,  in TestIntegrityLevel()
7618   Maybe<bool> extensible = JSReceiver::IsExtensible(object);  in TestIntegrityLevel()
7629     Maybe<bool> owned = JSReceiver::GetOwnPropertyDescriptor(  in TestIntegrityLevel()
7645 Maybe<bool> JSReceiver::PreventExtensions(Handle<JSReceiver> object,  in PreventExtensions()
7657 Maybe<bool> JSProxy::PreventExtensions(Handle<JSProxy> proxy,  in PreventExtensions()
7692   Maybe<bool> target_result = JSReceiver::IsExtensible(target);  in PreventExtensions()
7703 Maybe<bool> JSObject::PreventExtensions(Handle<JSObject> object,  in PreventExtensions()
7759 Maybe<bool> JSReceiver::IsExtensible(Handle<JSReceiver> object) {  in IsExtensible()
7767 Maybe<bool> JSProxy::IsExtensible(Handle<JSProxy> proxy) {  in IsExtensible()
7796   Maybe<bool> target_result = JSReceiver::IsExtensible(target);  in IsExtensible()
7849 Maybe<bool> JSObject::PreventExtensionsWithTransition(  in PreventExtensionsWithTransition()
8568 static Maybe<bool> GetKeysFromInterceptor(Isolate* isolate,  in GetKeysFromInterceptor()
8615 static Maybe<bool> GetKeysFromJSObject(Isolate* isolate,  in GetKeysFromJSObject()
8638   Maybe<bool> success =  in GetKeysFromJSObject()
8686 static Maybe<bool> GetKeys_Internal(Isolate* isolate,  in GetKeys_Internal()
8700     Maybe<bool> result = Just(false);  // Dummy initialization.  in GetKeys_Internal()
8727 Maybe<bool> JSProxy::Enumerate(Isolate* isolate, Handle<JSReceiver> receiver,  in Enumerate()
8775 Maybe<bool> JSProxy::OwnPropertyKeys(Isolate* isolate,  in OwnPropertyKeys()
8820   Maybe<bool> maybe_extensible = JSReceiver::IsExtensible(target);  in OwnPropertyKeys()
8840     Maybe<bool> found = JSReceiver::GetOwnPropertyDescriptor(  in OwnPropertyKeys()
15478 Maybe<bool> JSReceiver::SetPrototype(Handle<JSReceiver> object,  in SetPrototype()
15492 Maybe<bool> JSProxy::SetPrototype(Handle<JSProxy> proxy, Handle<Object> value,  in SetPrototype()
15531   Maybe<bool> is_extensible = JSReceiver::IsExtensible(target);  in SetPrototype()
15560 Maybe<bool> JSObject::SetPrototype(Handle<JSObject> object,  in SetPrototype()
15573   Maybe<bool> result =  in SetPrototype()
15595 Maybe<bool> JSObject::SetPrototypeUnobserved(Handle<JSObject> object,  in SetPrototypeUnobserved()
15828 Maybe<bool> JSObject::AddDataElement(Handle<JSObject> object, uint32_t index,  in AddDataElement()
16268 Maybe<bool> JSObject::HasRealNamedProperty(Handle<JSObject> object,  in HasRealNamedProperty()
16276 Maybe<bool> JSObject::HasRealElementProperty(Handle<JSObject> object,  in HasRealElementProperty()
16285 Maybe<bool> JSObject::HasRealNamedCallbackProperty(Handle<JSObject> object,  in HasRealNamedCallbackProperty()
16289   Maybe<PropertyAttributes> maybe_result = GetPropertyAttributes(&it);  in HasRealNamedCallbackProperty()