-import type { ChargingStation } from '../../../charging-station';
-import { OCPPError } from '../../../exception';
+import { OCPP20Constants } from './OCPP20Constants.js'
+import { OCPP20ServiceUtils } from './OCPP20ServiceUtils.js'
+import type { ChargingStation } from '../../../charging-station/index.js'
+import { OCPPError } from '../../../exception/index.js'