anchor.diff:        '--strong',
         '--package-warnings',
         '--fatal-warnings',
  -      '--strong-hints',
         '--fatal-hints',
         // defines lints
         '--options', optionsFile.path,
  
positive.code:     RegExp generalPattern = new RegExp(r'^\[(error|warning|hint|lint)\] (.+) \(([^(),]+), line ([0-9]+), col ([0-9]+)\)$');
      RegExp allowedIdentifiersPattern = new RegExp(r'_?([A-Z]|_+)\b');
      RegExp constructorTearOffsPattern = new RegExp('.+#.+// analyzer doesn\'t like constructor tear-offs');
      RegExp ignorePattern = new RegExp(r'// analyzer says "([^"]+)"');
      RegExp conflictingNamesPattern = new RegExp('^The imported libraries \'([^\']+)\' and \'([^\']+)\' cannot have the same name \'([^\']+)\'\$');
      RegExp missingFilePattern = new RegExp('^Target of URI does not exist: \'([^\')]+)\'\$');
  
      Set<String> changedFiles = new Set<String>(); // files about which we've complained that they changed
  
negative.code:           }
            bool shouldIgnore = false;
            if (filename == mainFile.path) {
              Match missing = missingFilePattern.firstMatch(errorMessage);
              if (missing != null) {
                errorLine = '[$level] File does not exist (${missing[1]})';
              } else {
                errorLine += ' (Please file a bug on the "flutter analyze" command saying that you saw this message.)';
  