|  | library; | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class A1 extends core::Object { | 
|  | field core::int _instanceField = 0; | 
|  | static field core::int _staticField = 0; | 
|  | synthetic constructor •() → self::A1 | 
|  | : super core::Object::•() | 
|  | ; | 
|  | method getInstanceField() → core::int | 
|  | return this.{self::A1::_instanceField}{core::int}; | 
|  | method setInstanceField(core::int value) → void { | 
|  | this.{self::A1::_instanceField} = value; | 
|  | } | 
|  | static method getStaticField() → core::int | 
|  | return self::A1::_staticField; | 
|  | static method setStaticField(core::int value) → void { | 
|  | self::A1::_staticField = value; | 
|  | } | 
|  | } | 
|  | extension A2 on self::A1 { | 
|  | get instanceProperty = self::A2|get#instanceProperty; | 
|  | set instanceProperty = self::A2|set#instanceProperty; | 
|  | operator + = self::A2|+; | 
|  | operator - = self::A2|-; | 
|  | operator unary- = self::A2|unary-; | 
|  | static field staticField = self::A2|staticField; | 
|  | static get staticProperty = get self::A2|staticProperty; | 
|  | static set staticProperty = set self::A2|staticProperty; | 
|  | } | 
|  | static field core::int A2|staticField = self::A1::getStaticField(); | 
|  | static extension-member method A2|get#instanceProperty(lowered final self::A1 #this) → core::int | 
|  | return #this.{self::A1::getInstanceField}(){() → core::int}; | 
|  | static extension-member method A2|set#instanceProperty(lowered final self::A1 #this, core::int value) → void { | 
|  | #this.{self::A1::setInstanceField}(value){(core::int) → void}; | 
|  | } | 
|  | static extension-member method A2|+(lowered final self::A1 #this, core::int value) → core::int { | 
|  | return #this.{self::A1::getInstanceField}(){() → core::int}.{core::num::+}(value){(core::num) → core::int}; | 
|  | } | 
|  | static extension-member method A2|-(lowered final self::A1 #this, core::int value) → core::int { | 
|  | return #this.{self::A1::getInstanceField}(){() → core::int}.{core::num::-}(value){(core::num) → core::int}; | 
|  | } | 
|  | static extension-member method A2|unary-(lowered final self::A1 #this) → core::int { | 
|  | return #this.{self::A1::getInstanceField}(){() → core::int}.{core::int::unary-}(){() → core::int}; | 
|  | } | 
|  | static extension-member get A2|staticProperty() → core::int | 
|  | return self::A1::getStaticField(); | 
|  | static extension-member set A2|staticProperty(core::int value) → void { | 
|  | self::A1::setStaticField(value); | 
|  | } | 
|  | static method main() → dynamic {} |