// TODO: remove the O versions

static java.util.Timer doAfter(long delay, O r) {
  ret doLater(delay, r);
}

static java.util.Timer doAfter(long delay, Runnable r) {
  ret doLater(delay, (O) r);
}

static java.util.Timer doAfter(double delaySeconds, O r) {
  ret doLater(delaySeconds, r);
}

static java.util.Timer doAfter(double delaySeconds, Runnable r) {
  ret doLater(delaySeconds, r);
}