srecord G22RegionsToMeshes(Cl<IImageRegion> regions) {
  settable bool keepMetaSrc = true;
  IImageRegion thinnedRegion;
  
  L<G22Mesh> get() {
    ret map(regions, region -> {
      var thinner = new G22RegionThinner_v2(region);
      stepAll(thinner);
      thinnedRegion = thinner.region();
    
      var meshMaker = new G22SkeletonToMesh_v2(thinnedRegion);
      var mesh = meshMaker!;
      if (!keepMetaSrc) clearMetaSrc(mesh);
      ret mesh;
    });
  }
}