code: function (options) {
  		var chart = this,
  			optionsChart = chart.options.chart,
  			type = options.type || optionsChart.type || optionsChart.defaultSeriesType,
  			series,
  			constr = seriesTypes[type];
  
  		// No such series type
  		if (!constr) {
  			error(17, true);
  		}
  
  		series = new constr();
  		series.init(this, options);
  		return series;
  	}
docs: Initialize an individual series, called internally before render time