export class Bootstrap {
private static instance: Bootstrap | null = null;
private workerImplementation: WorkerAbstract<ChargingStationWorkerData> | null;
- private readonly uiServer!: AbstractUIServer;
+ private readonly uiServer!: AbstractUIServer | null;
private readonly storage!: Storage;
private numberOfChargingStationTemplates!: number | undefined;
private numberOfChargingStations!: number;