toJson method
Implementation
Map<String, dynamic> toJson() {
final json = <String, dynamic>{};
json[r'customer'] = customer;
json[r'toInvoice'] = toInvoice;
json[r'totalHours'] = totalHours;
json[r'serviceSummaries'] = serviceSummaries;
json[r'invoiced'] = invoiced;
return json;
}