senderFirstName property Null safety
Implementation
String? get senderFirstName => _$this._senderFirstName;
Implementation
set senderFirstName(String? senderFirstName) =>
_$this._senderFirstName = senderFirstName;
String? get senderFirstName => _$this._senderFirstName;
set senderFirstName(String? senderFirstName) =>
_$this._senderFirstName = senderFirstName;