code: public static AbstractChartBuilder newInstance(HistoricParameters settings, List<Execution> executions)
  	{
  		return new LinearExecutionChartBuilder(settings, executions);
  	}
docs: <p>newInstance.</p>
  
  @param settings a {@link com.greenpepper.confluence.macros.historic.HistoricParameters} object.
  @param executions a {@link java.util.List} object.
  @return a {@link com.greenpepper.confluence.macros.historic.AbstractChartBuilder} object.