Checkbox constructor
Checkbox({})
Implementation
Checkbox({
Object? label,
Object? value = false,
Object? onChanged,
String? name,
Object? visible,
}) : label = label == null ? null : normalizeExpression(label),
value = normalizeExpression(value),
onChanged = normalizeActionSequence(
onChanged,
parameterName: 'onChanged',
),
super(name: name, visible: _normalizeVisibility(visible));