code: public Slider setValues(Integer value1, Integer value2)
  	{
  		if (value1 != null && value2 != null)
  		{
  			ArrayItemOptions<IntegerItemOptions> options =
  				new ArrayItemOptions<IntegerItemOptions>();
  			options.add(new IntegerItemOptions(value1));
  			options.add(new IntegerItemOptions(value2));
  			this.options.put("values", options);
  		}
  		return this;
  	}
docs: This option can be used to specify multiple handles. If range is set to true, the
  length of 'values' should be 2.
  
  @param value1
  @param value2
  @return instance of the current component