'Declaration
<EditorBrowsableAttribute(EditorBrowsableState.Never)> Public MustInherit Class ShapeBuilder (Of TControl As Shape, TBuilder As ShapeBuilder(Of TControl,TBuilder)) Inherits AnnotationBaseBuilder(Of TControl,TBuilder)
[EditorBrowsable(EditorBrowsableState.Never)] public abstract class ShapeBuilder<TControl,TBuilder> : AnnotationBaseBuilder<TControl,TBuilder> where TControl: Shape where TBuilder: ShapeBuilder<TControl,TBuilder>