docs: function(scope) {
          console.log(
              'Before start to process input files:',
              scope.files.map(function(file) {
                  var rulesCount = file.parsed.rules.length;
  
                  rulesCount += ' rule' + (rulesCount > 1 ? 's' : '');
  
                  return '\n' + rulesCount + ' in ' + file.config.input;
              }).join(',')
          );
      }