code: function generateBootstrapContent(partialsArray, lineDelimiter) {
          var _bootstrapContent   = '',
              _folderGroup        = '';
  
          partialsArray.forEach(function (partialName) {
              var _sassPath = mainPartialList[partialName].removedRoot,
                  _currentRoot = _sassPath.parseRootFolder();
  
              if (options.useRelativePaths) {
                  // if useRelativePaths option is set to true the result file will use paths relative to bootstrap file
                  // in this case filterRootPaths option is not used
                  _sassPath = Path.relative(Path.dirname(options.bootstrapFile),
                                              mainPartialList[partialName].fileName.toSassFormat());
                  // remove file extension
                  _sassPath = _sassPath.replace(Path.extname(_sassPath), '');
                  // Windows support. Replace backslashes into slashes.
                  _sassPath = _sassPath.replace(/\\/g, "/");
              } else {
                  _sassPath = _sassPath.toSassFormat();
              }
  
              // if current root folder has changed, write new root folder
              // as a comment and set new current folder
              if (_folderGroup != _currentRoot) {
                  _bootstrapContent += NEW_LINE + '// ' + _currentRoot + NEW_LINE;
                  _folderGroup = _currentRoot;
              }
              // append import line
              _bootstrapContent += options.importKeyword + ' "' + _sassPath + '"' + lineDelimiter + NEW_LINE;
          });
  
          return _bootstrapContent;
      }
docs: Generate content for bootstrap file
  
  @param partialsArray {array} list of partials to import by bootstrap file
  @param lineDelimiter {string} symbol at the end of the line
  @returns {string} formatted file content