code: @SuppressWarnings("unused")
    public static long currentTimeMillis() {
      if (ShadowLooper.looperMode() == LooperMode.Mode.PAUSED) {
        return SystemClock.uptimeMillis();
      } else {
        return ShadowLegacySystemClock.currentTimeMillis();
      }
    }
docs: Implements {@link System#currentTimeMillis} through ShadowWrangler.
  
  @return Current time with millis.