| library /*isNonNullableByDefault*/; | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | class Foo extends core::Object { | 
 |   field dynamic _field = null; | 
 |   synthetic constructor •() → self::Foo | 
 |     : super core::Object::•() | 
 |     ; | 
 | } | 
 | class FooValue extends core::Object { | 
 |   synthetic constructor •() → self::FooValue | 
 |     : super core::Object::•() | 
 |     ; | 
 | } | 
 | class Bar extends core::Object { | 
 |   field dynamic _field = null; | 
 |   synthetic constructor •() → self::Bar | 
 |     : super core::Object::•() | 
 |     ; | 
 | } | 
 | class BarValue extends core::Object { | 
 |   synthetic constructor •() → self::BarValue | 
 |     : super core::Object::•() | 
 |     ; | 
 | } | 
 | static method main() → dynamic { | 
 |   self::Foo foo = new self::Foo::•(); | 
 |   foo.{self::Foo::_field} = new self::FooValue::•(); | 
 |   dynamic fooValue = foo.{self::Foo::_field}{dynamic}; | 
 |   core::print(fooValue); | 
 |   self::Bar bar = new self::Bar::•(); | 
 |   bar.{self::Bar::_field} = new self::BarValue::•(); | 
 |   dynamic barValue = bar.{self::Bar::_field}{dynamic}; | 
 |   core::print(barValue); | 
 | } |