/// <summary>
/// Uses the given <see cref="IMiddlewareBuilder" />, placing it at the end of the
/// current list and adding the assembly from where it comes from as a reference.
/// </summary>
/// <remarks>
/// This method is not normally used directly, as the building is directed by the options
/// present in <see cref="BlueprintApiOptions" />.
/// </remarks>
/// <param name="middlewareBuilder">The builder to add, must not be <c>null</c>.</param>
private void Use(IMiddlewareBuilder middlewareBuilder)
{
Guard.NotNull(nameof(middlewareBuilder), middlewareBuilder);
this._builders.Add(middlewareBuilder);
this._references.Add(middlewareBuilder.GetType().Assembly);
}