code: public JFreeChartRender setDomainAxis(double lowerBound, double upperBound) {
          ValueAxis valueAxis = getPlot().getDomainAxis();
          valueAxis.setUpperBound(upperBound);
          valueAxis.setLowerBound(lowerBound);
          return this;
      }
docs: Sets bounds for domain axis.
  
  @param lowerBound lower domain bound
  @param upperBound upper domain bound
  @return itself (fluent interface)