code: function LocalFilesystemHandler(req, res, next, local = false) {
              if (!self.settings.localFilesystem) {
                  return next();
              }
              return FilesystemHandler(req, res, next, self.localFilesystemUrl, undefined, local);
          }
docs: Serves files from the entire filesystem if enabled in settings.
  
  @param {Object} req        - request object
  @param {Object} res        - response object
  @param {Function} next     - called on handler miss
  @param {boolean} local - local mode