So if I try to define `$reql_type$`, it will throw an error? That means that I can't store arbitrary data / use user data as a key. Can't something be done abou

So if I try to define `$reql_type$`, it will throw an error? That means that I can't store arbitrary data / use user data as a key. Can't something be done about that at the driver / protocol level (eg. translating literal '$' to '$$' and back again)?