pkg/front_end/testcases/extension_types/issue51556.dart.textual_outline_modelled.expect

extension DoubleToJSNumber on double {
  JSNumber get toJS => JSNumber(this);
}

extension ListToJSArray on List<JSAny?> {
  JSArray get toJS => JSArray(this);
}

extension ObjectToJSExportedDartObject on Object {
  JSExportedDartObject get toJS => JSExportedDartObject(this);
}

extension type JSAny(Object value) {}

extension type JSArray(List<JSAny?> value) implements JSObject {}

extension type JSExportedDartObject(Object value) implements JSObject {}

extension type JSNumber(double value) implements JSAny {}

extension type JSObject(Object value) implements JSAny {}

void main() {}