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 ssa;
  
  import 'dart:collection';
  
  import '../closure.dart';
  import '../js/js.dart' as js;
  import '../dart2jslib.dart' hide Selector, TypedSelector;
  import '../dart_types.dart';
  import '../source_file.dart';
  import '../source_map_builder.dart';
  import '../elements/elements.dart';
  import '../js_backend/js_backend.dart';
  import '../native_handler.dart' as native;
  import '../tree/tree.dart';
  import '../types/types.dart';
  import '../universe/universe.dart';
  import '../util/util.dart';
  
  import '../scanner/scannerlib.dart'
      show PartialFunctionElement, Token, PLUS_TOKEN;
  
  import '../elements/modelx.dart'
      show ElementX,
           ConstructorBodyElementX;
  
  import '../js_emitter/js_emitter.dart' show CodeEmitterTask;
  
  part 'builder.dart';
  part 'codegen.dart';
  part 'codegen_helpers.dart';
  part 'interceptor_simplifier.dart';
  part 'invoke_dynamic_specializers.dart';
  part 'nodes.dart';
  part 'optimize.dart';
  part 'types.dart';
  part 'types_propagation.dart';
  part 'validate.dart';
  part 'variable_allocator.dart';
  part 'value_range_analyzer.dart';
  part 'value_set.dart';
  