docs: function Service(servicePath, etcd) {
    this.etcd = etcd;
    this.servicePath = servicePath;
  
    // List of currently resolved service for this path
    this.services = {};
  
    // Resolve the services for the path for the first time
    this._resolve();
  
    // Watch for changes to published services so we don't go stale
    this._watch();
  }