(target *Object)
| 140 | deleteSym(target *Object, prop *Symbol) (bool, bool) |
| 141 | |
| 142 | ownKeys(target *Object) (*Object, bool) |
| 143 | apply(target *Object, this Value, args []Value) (Value, bool) |
| 144 | construct(target *Object, args []Value, newTarget *Object) (Value, bool) |
| 145 |