toJson method
Implementation
Map<String, Object?> toJson() => {
if (detail != null) 'detail': detail,
'label': label,
if (length != null) 'length': length,
if (selectionLength != null) 'selectionLength': selectionLength,
if (selectionStart != null) 'selectionStart': selectionStart,
if (sortText != null) 'sortText': sortText,
if (start != null) 'start': start,
if (text != null) 'text': text,
if (type != null) 'type': type,
};