code: public void setTooltip(final String tooltip, final Length width, final Length height, final boolean visible) {
  		this.setTooltip(tooltip);
  		this.tooltipParameter = TooltipParameter.create(width, height, visible);
  	}
docs: Set a tooltip of a given size
  @param tooltip the content
  @param width the width of the tooltip
  @param height the height of the tooltip
  @param visible true if the tooltip is visible