/// <summary>
/// References a sub child of the existing node.
/// </summary>
/// <param name="node"> The child. </param>
/// <param name="path"> The path of sub child. </param>
/// <returns> The <see cref="ChildQuery"/>. </returns>
public static ChildQuery Child(this ChildQuery node, string path)
{
return(node.Child(() => path));
}
