[ObsoleteAttribute("This property is obsolete in Revit 2016. Use GetUsageIds() method instead.")]
public int NumberOfUsages { get; }

<ObsoleteAttribute("This property is obsolete in Revit 2016. Use GetUsageIds() method instead.")> _
Public ReadOnly Property NumberOfUsages As Integer
	Get

[ObsoleteAttribute(L"This property is obsolete in Revit 2016. Use GetUsageIds() method instead.")]
public:
property int NumberOfUsages {
	int get ();
}