library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/general/extension_type_when_experiment_not_enabled.dart:11:6: Error: This requires the 'extension-types' language feature to be enabled.
// Try updating your pubspec.yaml to set the minimum SDK constraint to 2.15 or higher, and running 'pub get'.
// test(E e) {} // Error.
//      ^
//
import self as self;
import "dart:core" as core;

class A extends core::Object {
  synthetic constructor •() → self::A
    ;
}
extension E on self::A {
}
static method test(invalid-type e) → dynamic
  ;
static method main() → dynamic
  ;