Plane detection with AR Foundation and Unity 2019.3

Hello,

We are trying to add Magic Leap support to an ARKit app made using AR Foundation and Unity 2019.3. The ARKit version does raycasting on planes. Does ARPlaneManager and ARRaycastManager work the same for Magic Leap as they do in ARKit? Is there something else that needs to be done so the ML detects planes? I'm developing using the Zero Iteration emulator (while we wait for the device) and so far I don't get any planes detected using the same setup. Does this functionality needs to be added using Magic Leap's API or is ARFoundation already platform agnostic?

Thanks.