|  | library; | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class Class extends core::Object { | 
|  | field core::int? field; | 
|  | synthetic constructor •() → self::Class | 
|  | ; | 
|  | } | 
|  | extension /* unnamed */ _extension#0 on self::Class { | 
|  | get property1 = self::_extension#0|get#property1; | 
|  | set property1 = self::_extension#0|set#property1; | 
|  | } | 
|  | extension /* unnamed */ _extension#1 on self::Class { | 
|  | get property2 = self::_extension#1|get#property2; | 
|  | set property2 = self::_extension#1|set#property2; | 
|  | } | 
|  | static extension-member method _extension#0|get#property1(lowered final self::Class #this) → core::int? | 
|  | ; | 
|  | static extension-member method _extension#0|set#property1(lowered final self::Class #this, core::int? value) → void | 
|  | ; | 
|  | static extension-member method _extension#1|get#property2(lowered final self::Class #this) → core::int? | 
|  | ; | 
|  | static extension-member method _extension#1|set#property2(lowered final self::Class #this, core::int? value) → void | 
|  | ; | 
|  | static method main() → dynamic | 
|  | ; | 
|  | static method expect(dynamic expected, dynamic actual) → dynamic | 
|  | ; |