def pan_up(query, duration: nil)
      pan(query, {x: 50, y: 90}, {x: 50, y: 10}, duration: duration)
    end
def pan_up(query, duration: nil)
      pan(query, {x: 50, y: 90}, {x: 50, y: 10}, duration: duration)
    end
Performs a **pan** heading _up_ inside the first view that matches
 `query`.

 @see #pan
 @param [Number] duration (default: 1.0) The amount of time in seconds the
  gesture lasts.