Preventing 2d lighting overlapping

[PoisonousGame]

If there are multiple light sources at a certain location, the light from these sources will stack up to expose, which I don't want. I want to achieve the lighting effect in the link below. godot needs such functionality!
https://www.reddit.com/r/godot/comments/evl9sk/stop_light_gradients_overlapping_each_other_in/