anchor.diff:  
     ExtractMethodRefactoringOptions(
         {this.returnType,
  -      this.createGetter,
  -      this.name,
  -      this.parameters,
  -      this.extractAll});
  +        this.createGetter,
  +        this.name,
  +        this.parameters,
  +        this.extractAll});
   
     Map toMap() => _stripNullValues({
  -        'returnType': returnType,
  -        'createGetter': createGetter,
  -        'name': name,
  -        'parameters': parameters,
  -        'extractAll': extractAll
  -      });
  +    'returnType': returnType,
  +    'createGetter': createGetter,
  +    'name': name,
  +    'parameters': parameters,
  +    'extractAll': extractAll
  +  });
   }
   
   class InlineMethodRefactoringOptions extends RefactoringOptions {
  
positive.code:   final String id;
  
    Map toMap() => _stripNullValues({
          'offset': offset,
          'length': length,
          'replacement': replacement,
          'id': id
        });
  
    SourceEdit(this.offset, this.length, this.replacement, {this.id});
  
  
negative.code:       m['targets'] == null
            ? null
            : new List.from(
            m['targets'].map((obj) => NavigationTarget.parse(obj))),
        m['regions'] == null
            ? null
            : new List.from(
            m['regions'].map((obj) => NavigationRegion.parse(obj))));
  
    final List<String> files;
    final List<NavigationTarget> targets;
  