public Rectangle(DrawApi implementor) : base(implementor)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="BridgePattern.Line"/> class.
/// </summary>
/// <param name="implementor">The implementor instance to use.</param>
public Line(DrawApi implementor) : base(implementor)
{
}
public Square(DrawApi implementor) : base(implementor)
{
}