convertMonthsToYearsAndMonths function
Implementation
Map<String, int> convertMonthsToYearsAndMonths(int months) {
if (months < 0) return {'years': 0, 'months': 0};
final int years = months ~/ 12; // Years
final int remainingMonths = (months % 12).round(); // Remaining months
return {'years': years, 'months': remainingMonths};
}