anchor.diff:    static const STAR_PATH_MAPPED = const _Resolved._(
         '"*" path resolved using mappings from config files');
     static const NORMAL_PATH_OVERRIDDEN = const _Resolved._(
  -      'original path overridden using mappings from config files');
  +      'regular path overridden using mappings from config files');
     static const COMPLEX_VERSION_DEFAULTED = const _Resolved._(
  -      'unsupported version spec defaulted to latest "master"');
  +      'unsupported complex version defaulted to latest stable');
   }
   
   class _Unresolved extends _Resolution {
  
positive.code:     // Resolve the branch.
      if (branch == null) {
        // Default to the latest stable.
        branch = 'master';
      } else {
        if (_PACKAGE_BRANCH_SIMPLE_REGEXP.matchAsPrefix(branch) == null) {
          // This is an extended semver version or version range.
          if (SparkFlags.bowerMapComplexVerToLatestStable) {
            resolution = _Resolved.COMPLEX_VERSION_DEFAULTED;
            branch = 'master';
          } else {
            // TODO(ussuri): Add full support for semver versions and ranges.
            resolution = _Unresolved.COMPLEX_VERSION;
  
negative.code: 
    Map<String, _Package> _allDeps = {};
  
    List<String> _alteredDepsComments = [];
    List<String> _unresolvedDepsComments = [];
    List<String> _ignoredDepsComments = [];
  
    BowerFetcher(this._packagesDir, this._packageSpecFileName);
  
  