var _bar = new WeakMap(); class Foo { constructor() { _bar.set(this, { writable: true, value: "bar" }); } static test() { return babelHelpers.classStaticPrivateFieldSpecGet(Foo, Foo, _foo); } test() { return babelHelpers.classPrivateFieldGet(this, _bar); } } var _foo = { writable: true, value: "foo" };