spectre.console/test/Spectre.Console.Tests/Utilities/Extensions/ShouldlyExtensions.cs

namespace Spectre.Console;

public static class ShouldlyExtensions
{
    [DebuggerStepThrough]
    public static T And<T>(this T item, Action<T> action)
    {
        if (action == null)
        {
            throw new ArgumentNullException(nameof(action));
        }

        action(item);
        return item;
    }
}