var _foo = new WeakMap(); let Foo = /*#__PURE__*/function () { "use strict"; function Foo() { babelHelpers.classCallCheck(this, Foo); _foo.set(this, { get: _get_foo, set: void 0 }); } babelHelpers.createClass(Foo, [{ key: "test", value: function test(other) { return _foo.has(other); } }]); return Foo; }(); var _get_foo = function () {};