code: function onInit(unused, callback) {
      var filePath = path.resolve(options.file);
  
      stats.deserialise.fs.start = Date.now();
      if (fs.existsSync(filePath)) {
        fs.readFile(filePath, complete);
      } else {
        complete(true);
      }
  
      function complete(error, contents) {
        stats.deserialise.fs.stop = Date.now();
  
        stats.deserialise.decode.start = Date.now();
        pending = !error && contents && cycle.retrocycle(decode(JSON.parse(contents)));
        stats.deserialise.decode.stop = Date.now();
  
        stats.deserialise.success = !error;
        callback();
      }
    }
docs: Deserialise any existing file into pending cache elements.