How do I export shapekey linked to bone drivers into unity?

I have a robot I need to animate with shapekey but I wanted to use drivers to make a rig system to make it easier to animate for animators. Does the drivers get baked when export as FBX? Because what I need this to work in unity.

hi wer you able to solve this . im also looking for a fix . i found 2 unity tools for it but they wer quite buggy.

the two i tested shapedrivers and blendshape driver