class AddEvent extends PropertiesEvent {
final String _key;
final String _value;
/**
* Create a new property added event instance by name the [eventType] and the property's [key] and [value].
*/
const AddEvent(this._key, this._value):super(Properties.ADD_PROPERTY_EVENTNAME);
/**
* Getter for the added [key].
*/
String get key => _key;
/**
* Getter for the added [value].
*/
String get value => _value;
}