/**
  * Sets the height of the screen emulation resolution.
  *
  * @param height the height of the screen
  * @return self-reference
  */
 public Builder setHeight(int height) {
   setResolution(new Dimension(config.getResolution().getWidth(), height));
   return this;
 }
 /**
  * Sets the width of the screen emulation resolution.
  *
  * @param width the width of the screen
  * @return self-reference
  */
 public Builder setWidth(int width) {
   setResolution(new Dimension(width, config.getResolution().getHeight()));
   return this;
 }