code: public Actions release() {
      if (isBuildingActions()) {
        action.addAction(new ButtonReleaseAction(jsonMouse, null));
      }
  
      return tick(defaultMouse.createPointerUp(Button.LEFT.asArg()));
    }
docs: Releases the depressed left mouse button at the current mouse location.
  @see #release(org.openqa.selenium.WebElement)
  @return A self reference.