// ES2015 APIs used by developer tools integration
import 'core-js/es6/map';
import 'core-js/fn/array/fill';
import 'core-js/fn/array/from';
import 'core-js/fn/object/assign';

// ES2015 APIs used by developer tools integration
import 'core-js/es6/map';
import 'core-js/es6/promise';
import 'core-js/fn/array/fill';
import 'core-js/fn/array/from';
import 'core-js/fn/object/assign';

Add Promise polyfill for IE11
Add Promise polyfill for IE11
