def METHOD_NAME(self):
    get(self, "https://github.com/mruby/mruby/archive/refs/tags/3.2.0.zip", strip_root=True, destination=self.source_folder)
    get(self, "https://github.com/mattn/mruby-onig-regexp/archive/refs/heads/master.zip",
        strip_root=True, destination=os.path.join(self.source_folder, 'mrbgems', 'mruby-onig-regexp'))