code: function(file) {
      for(var i = 0; i < watchList.length; i++) {
          if(watchList[i].file === file)
              return watchList[i].callback;
      }
      throw new Error(file + " was not being watched previously");
  }
docs: **getTriggerList**  Get the list of acting triggers on a file watcher  _Parameters:_  * `file`: The file whose triggers are to be returned  _Returns:_  The callback object for that file, with the named functions as `add`, `change`, `unlink`, `error` that had been set on that watcher  _Throws:_  * `Error`: If the file is not being watched already