in src/query.ts [35:44]
constructor(executeQueryFn: (continuationToken: string, done: IncomingMessageCallback<any>) => void, registry?: Registry) {
if (!executeQueryFn) throw new ReferenceError('executeQueryFn cannot be \'' + executeQueryFn + '\'');
if (typeof executeQueryFn !== 'function') throw new TypeError('executeQueryFn cannot be \'' + typeof executeQueryFn + '\'');
this._executeQueryFn = executeQueryFn;
this._registry = registry;
this.hasMoreResults = true;
this.continuationToken = null;
}