-import { OCPP16AvailabilityType, OCPP16BootNotificationRequest, OCPP16IncomingRequestCommand, OCPP16RequestCommand } from './1.6/Requests';
+import type { ChargingStation } from '../../charging-station';
+import type { OCPPError } from '../../exception';
+import {
+ type JsonType,
+ type MessageType,
+ OCPP16AvailabilityType,
+ type OCPP16BootNotificationRequest,
+ type OCPP16DataTransferRequest,
+ OCPP16DiagnosticsStatus,
+ type OCPP16DiagnosticsStatusNotificationRequest,
+ OCPP16FirmwareStatus,
+ type OCPP16FirmwareStatusNotificationRequest,
+ type OCPP16HeartbeatRequest,
+ OCPP16IncomingRequestCommand,
+ OCPP16MessageTrigger,
+ type OCPP16MeterValuesRequest,
+ OCPP16RequestCommand,
+ type OCPP16StatusNotificationRequest,
+ type OCPP20BootNotificationRequest,
+ OCPP20IncomingRequestCommand,
+ OCPP20RequestCommand,
+ type OCPP20StatusNotificationRequest,
+ OperationalStatusEnumType,
+} from '../internal';