'DeclarationReadOnly Property GradientDefined As System.Boolean
'UsageDim instance As IInterior Dim value As System.Boolean value = instance.GradientDefined
System.bool GradientDefined {get;}
read-only property GradientDefined: System.Boolean;
function get GradientDefined : System.boolean
            __property System.bool get_GradientDefined();
            property System.bool GradientDefined { System.bool get(); }