/// <summary>
/// Smoothly adjusts the colour of <see cref="IContainer.EdgeEffect"/> over time.
/// </summary>
/// <returns>A <see cref="TransformSequence{T}"/> to which further transforms can be added.</returns>
public static TransformSequence <T> FadeEdgeEffectTo <T>(this TransformSequence <T> t, Color4 newColour, double duration = 0, Easing easing = Easing.None)
where T : class, IContainer
=> t.FadeEdgeEffectTo(newColour, duration, new DefaultEasingFunction(easing));
