code: public Settings setOverscrollDistance(float distanceX, float distanceY) {
          if (distanceX < 0f || distanceY < 0f) {
              throw new IllegalArgumentException("Overscroll distance cannot be < 0");
          }
          overscrollDistanceX = distanceX;
          overscrollDistanceY = distanceY;
          return this;
      }
docs: Setting overscroll distance in pixels. User will be able to "over scroll"
  up to this distance. Cannot be &lt; 0.
  <p>
  Default value is 0.
  
  @param distanceX Horizontal overscroll distance in pixels
  @param distanceY Vertical overscroll distance in pixels
  @return Current settings object for calls chaining