code: public void addImage(Image image, float a, float b, float c, float d, float e, float f) throws DocumentException {
          throwError();
      }
docs: Always throws an error. This operation is not allowed.
  @param image dummy
  @param a dummy
  @param b dummy
  @param c dummy
  @param d dummy
  @param e dummy
  @param f dummy
  @throws DocumentException  dummy