Unity Editor: undocumented callbacks in Editor class to define bounds for focus

HasFrameBounds.cs

/// <summary>
/// Undocumented Unity callback. More info here:
/// https://forum.unity.com/threads/editor-how-do-i-set-the-bounds-of-an-empty-gameobject-for-focus-f-key.427093/
/// </summary>
/// <returns></returns>
public bool HasFrameBounds()
{
	return true;
}

/// <summary>
/// Undocumented Unity callback. More info here:
/// https://forum.unity.com/threads/editor-how-do-i-set-the-bounds-of-an-empty-gameobject-for-focus-f-key.427093/
/// </summary>
/// <returns></returns>
public Bounds OnGetFrameBounds()
{
	var line = target as UILineRendererSimplified;

	var bounds = new Bounds();
	foreach (var p in line.Points)
	{
		bounds.Encapsulate(p);
	}

	bounds.center = line.transform.position;

	return bounds;
}