There's no equivalent setting, as this would be a non-physical approach (Corona works out how much light is hitting the surface based on physical laws). I'd say for this you'd go with adjusting Exposure, Contrast and similar in the VFB (or in post), or adjusting the lighting set-up to stop so much light getting into the shadows. Depending on what the scene is, you might add an AO pass to "fake" things. Hope this helps!