class NucleusDatastore {
  constructor (datastoreName = 'Untitled', options = {}) {
    const {
      $logger = console,
      $$server,
      index: datastoreIndex = 0,
      port: datastorePort = 6379,
      URL: datastoreURL = 'localhost'
    } = options;

    this.name = datastoreName;
    this.index = datastoreIndex;

    this.$$handlerCallbackListByChannelName = {};
    this.scriptSHAbyScriptName = {};

    this.$$server = $$server || redis.createClient({
      db: datastoreIndex,
      host: datastoreURL,
      port: datastorePort
    });
  // ...
  }
}