| extension E on int { | |
| int get _identityHashCode => 42; | |
| bool _instanceOf(instantiatorTypeArguments, functionTypeArguments, type) {} | |
| bool _simpleInstanceOf(dynamic type) {} | |
| bool _simpleInstanceOfTrue(dynamic type) {} | |
| bool _simpleInstanceOfFalse(dynamic type) {} | |
| } |