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 dart2js;
  
  import 'dart:async';
  import 'dart:collection' show Queue;
  
  import 'closure.dart' as closureMapping;
  import 'dart_backend/dart_backend.dart' as dart_backend;
  import 'dart_types.dart';
  import 'elements/elements.dart';
  import 'elements/modelx.dart'
      show ErroneousElementX,
           ClassElementX,
           CompilationUnitElementX,
           LibraryElementX,
           PrefixElementX,
           VoidElementX;
  import 'js_backend/js_backend.dart' as js_backend;
  import 'native_handler.dart' as native;
  import 'scanner/scannerlib.dart';
  import 'ssa/ssa.dart';
  import 'tree/tree.dart';
  import 'universe/universe.dart';
  import 'util/util.dart';
  import 'util/characters.dart' show $_;
  import '../compiler.dart' as api;
  import 'patch_parser.dart';
  import 'types/types.dart' as ti;
  import 'resolution/resolution.dart';
  import 'source_file.dart' show SourceFile;
  import 'js/js.dart' as js;
  import 'deferred_load.dart' show DeferredLoadTask;
  import 'mirrors_used.dart' show MirrorUsageAnalyzerTask;
  
  export 'resolution/resolution.dart' show TreeElements, TreeElementMapping;
  export 'scanner/scannerlib.dart' show isUserDefinableOperator,
                                        isUnaryOperator,
                                        isBinaryOperator,
                                        isTernaryOperator,
                                        isMinusOperator;
  export 'universe/universe.dart' show Selector, TypedSelector;
  
  part 'code_buffer.dart';
  part 'compile_time_constants.dart';
  part 'compiler.dart';
  part 'constants.dart';
  part 'constant_system.dart';
  part 'constant_system_dart.dart';
  part 'diagnostic_listener.dart';
  part 'enqueue.dart';
  part 'library_loader.dart';
  part 'resolved_visitor.dart';
  part 'script.dart';
  part 'tree_validator.dart';
  part 'typechecker.dart';
  part 'warnings.dart';
  part 'world.dart';
  