content: // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
  // for details. All rights reserved. Use of this source code is governed by a
  // BSD-style license that can be found in the LICENSE file.
  
  library js_backend;
  
  import 'dart:async' show Future;
  import 'dart:collection' show Queue, LinkedHashMap;
  
  import '../closure.dart';
  import '../elements/elements.dart';
  import '../js_emitter/js_emitter.dart'
      show Emitter, CodeEmitterTask, ClassBuilder, MetadataEmitter;
  
  import '../dart2jslib.dart';
  import '../dart_types.dart';
  import '../js/js.dart' as jsAst;
  import '../js/js.dart' show js;
  import '../native_handler.dart' as native;
  import '../ssa/ssa.dart';
  import '../tree/tree.dart';
  import '../types/types.dart';
  import '../universe/universe.dart';
  import '../util/characters.dart';
  import '../util/util.dart';
  
  part 'backend.dart';
  part 'constant_emitter.dart';
  part 'constant_system_javascript.dart';
  part 'minify_namer.dart';
  part 'namer.dart';
  part 'native_emitter.dart';
  part 'runtime_types.dart';
  part 'type_variable_handler.dart';
  part 'custom_elements_analysis.dart';
  