main = main::main;
library from "org-dartlang-test:///main.dart" as main {

  extension E on dart.core::String {
    get field = main::E|get#field;
    set field = main::E|set#field;
  }
  external static method E|get#field(dart.core::String #this) → dart.core::int;
  external static method E|set#field(dart.core::String #this, dart.core::int #externalFieldValue) → void;
  static method main() → dynamic {
    main::E|set#field("foo", main::E|get#field("bar"));
  }
}