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public class RegistryService {

    private final CallCounter callCounter;

    public RegistryService(CallCounter callCounter) {
        this.callCounter = callCounter;
    }

    public void endCall(String callId) {
        if (LocalDateTime.now().getHour() > 10 && LocalDateTime.now().getHour() < 15) {
            callCounter.incrementCountDuringWorkingHours(callId);
        } else {
            callCounter.incrementCountOutsideWorkingHours(callId);
        }
    }
}