code: function readFileSync (args) {
      var file = args.file;
      var next = args.next;
  
      if (isUnsupportedPath(file.url)) {
        // It's not a filesystem path, so let some other plugin handle it
        return next();
      }
  
      var filepath = getFileSystemPath(file.url);
  
      inferFileMetadata(file);
      return fs.readFileSync(filepath);
    }
docs: Synchronously reads a file from the local filesystem.
  
  @param {File} args.file - The {@link File} to read
  @param {function} args.next - Calls the next plugin, if the file is not a local filesystem file
  @returns {Buffer|undefined}