span = getComponent().getMaximumSize().height;
span = interceptor.getMaximumSize().height;
  public float getMaximumSpan(int axis)  {    float span;    if (axis == X_AXIS)      span = getComponent().getMaximumSize().width;    else if (axis == Y_AXIS)      span = getComponent().getMaximumSize().height;    else      throw new IllegalArgumentException();    return span;  }