code: function Cache(cacheLoadParameter, cacheBackend) {
  
      // Ensure parameters are how we want them...
      cacheBackend = typeof cacheBackend === "function" ? cacheBackend : FilesystemBackend;
      cacheLoadParameter = cacheLoadParameter instanceof Array ? cacheLoadParameter : [cacheLoadParameter];
  
      // Now we can just run the factory.
      this.datastore = cacheBackend.apply(cacheBackend, cacheLoadParameter);
  
      // Instruct the backend to load up.
      this.datastore.load();
  }
docs: Init cache wrapper for backend...