proc quitCompat(e: string) {....raises: [IOError], tags: [WriteIOEffect],
                             forbids: [].}

template addCompat[T](a, b: seq[T])

template echoCompat(content)

template errEchoCompat(content)

template errEchoCompatNoRaise(s: string)

template mayAsync(def): untyped

template mayAwait(x): untyped

template mayNewPromise(x): untyped

template mayWaitFor(x): untyped

template readLineCompat(prompt): string