library test /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

class A extends core::Object {
  field core::int x = 2;
  synthetic constructor •() → self::A
    : super core::Object::•()
    ;
}
static method main() → dynamic {
  dynamic a = new self::A::•();
  self::A b = a as{TypeError,ForDynamic,ForNonNullableByDefault} self::A;
  core::print(a{dynamic}.x);
  core::print(a{dynamic}.x{dynamic}.+(2));
}