/// <summary>
///
/// </summary>
/// <param name="shapeNode"></param>
/// <param name="inputPortName"></param>
/// <returns>Default if failed.</returns>
public static ShapeNode GetInputShapeNode(this ShapeNode shapeNode, string inputPortName)
{
var port = shapeNode.GetInputPort(inputPortName);
if (port is null)
{
BulletStormLogger.LogError($"Node {shapeNode}: port 'inputShape' not found.");
return(default);
