///|
fn init_readline() -> Unit {
  // Unimplemented
}

///|
fn question_ffi(question : String, callback : (String) -> Unit) -> Unit {
  // Unimplemented
}

///|
fn close_ffi() -> Unit {
  // Unimplemented
}

///|
fn wait_for_completion() -> Unit {
  // Unimplemented
}