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 private LocalDateTime calculateFinalShiftEndTime(LocalDateTime requestTime) {
        // Find the next shift (not the current one)
        ShiftProperties currentShift = this.findShiftProperties(requestTime.toLocalTime().getHour());
        if (currentShift == null) {
            throw new RuntimeException("No shift properties found for the given time");
        }
        ShiftProperties otherShift = shiftPropertiesRepo.findByShiftNotAndDeletedFalse(currentShift.getShift())
                .orElseThrow(() -> new RuntimeException("No next shift found"));

        LocalDate requestDate = requestTime.toLocalDate();

        // If the shift is the starting shift, return the next shift's end time
        if (currentShift.isStatingShift()) {
            if (currentShift.getToHour().isBefore(currentShift.getFromHour())) {
                // Shift crosses midnight (Night Shift)
                return requestDate.atTime(otherShift.getToHour());
            } else {
                // Regular shift
                return requestDate.atTime(otherShift.getToHour()).plusDays(1);
            }
        } else {
            return requestDate.atTime(currentShift.getToHour());
        }
    }