toJson method
Returns a JSON representation of this.
Implementation
@override
Map<String, Object?> toJson() => {
'runtimeType': 'NotMatched',
'predicate': (predicate == null
? const None().toJson()
: Option.fromValue(predicate).toJson((some) => some.toJson())),
'columns': columns.map((e) => e.toJson()).toList(),
'values': values.toJson(),
};