package main import ( "github.com/go-oauth2/mysql/v4" "github.com/go-oauth2/oauth2/v4/manage"	_ "github.com/go-sql-driver/mysql" ) func main() { manager := manage.NewDefaultManager() // use mysql token store store := mysql.NewDefaultStore( mysql.NewConfig("root:123456@tcp(127.0.0.1:3306)/myapp_test?charset=utf8"),	) defer store.Close() manager.MapTokenStorage(store) // ... }