toJson method
Implementation
@override
Map<String, dynamic> toJson() => withoutNulls({
'clients': clients
?.map((sequence) => sequence.map((item) => item.toJson()).toList())
.toList(),
'servers': servers
?.map((sequence) => sequence.map((item) => item.toJson()).toList())
.toList(),
'errors': errors
?.map((sequence) => sequence.map((item) => item.toJson()).toList())
.toList(),
});