How to export a brush from adobe sketch to adobe Fresco?

As we already know, Adobe has decided that their customers should migrate to Adobe Fresco. But it has not taken into account putting the existing brushes in Adobe Sketch (they are very few, it really does not cost that much to do so) to facilitate those of us who have worked for so many years with a specific brush. Adobe Fresco has so many better things, but it DOESN'T HAVE THE BRUSHES THAT I USED TO WORK. This is very serious for people who used a brush for 5 years that will no longer exist. Can someone from Adobe advise their clients well? Can someone provide a solution? Thanks