// Copyright Jerome Benoit. 2021. All Rights Reserved.
-import Constants from '../../utils/Constants';
import { MongoClient } from 'mongodb';
-import Statistics from '../../types/Statistics';
-import { Storage } from './Storage';
+
+import type { Statistics } from '../../types/Statistics';
import { StorageType } from '../../types/Storage';
+import Constants from '../../utils/Constants';
+import { Storage } from './Storage';
export class MongoDBStorage extends Storage {
private readonly client: MongoClient | null;