IAnnotationModelX1 - свойство

[NotNullAttribute]
string X1 { get; set; }

<NotNullAttribute>
Property X1 As String
	Get
	Set

[NotNullAttribute]
property String^ X1 {
	String^ get ();
	void set (String^ value);
}

[<NotNullAttribute>]
abstract X1 : string with get, set