[1.16.4] Any alternative to non-existing net.minecraft.client.gui.Gui class?

[EWM]

Hello, I want to create a simple overlay like a mana bar on the screen of the player. In most of the guides people create a class that extends Gui, I tried to import it but it apparently doesn't exist anymore. Is there any alternative to this class that would do the same?

Edited March 18, 2021 by EWM

[Beethoven92]

The class you are searching for reference is called IngameGui. To draw things like mana bars on the screen you can use the RenderGameOverlayEvent