public class ClickIncreaser
{
  private boolean hasClickedThisTick = false;
  private final List<Long> clicks = Lists.newArrayList();

  @SubscribeEvent
  public void onMouse(MouseEvent event)
  {
    if (event.button != 0) {
      return;
    }

    if (event.buttonstate && this.hasClickedThisTick)
    {
      event.setCanceled(true);
      return;
    }

    if (event.buttonstate)
    {
      this.hasClickedThisTick = true;
       try
        {
          Robot robot = new Robot();

          for(int i=0; i<11; ++i) {
             robot.mousePress(0);
             robot.mouseRelease(0);
          }
        }
        catch (Exception e) {}
    }
  }

  @SubscribeEvent
  public void onClientTick(TickEvent.ClientTickEvent event)
  {
    this.hasClickedThisTick = false;
  }
}