toJson method

Implementation

Map<String, dynamic> toJson() {
  Map<String, dynamic> map = {
    'limit': limit,
  };
  if (query != null && query!.isNotEmpty) {
    map['query'] = query;
  }
  if (last != null && last!.isNotEmpty) {
    map['last'] = last;
  }
  return map;
}