What is the meaning of AxisType ?

I need to change the time gap in vaadin 8 chart.Does the axisType useful?
Like the defult interval of x axle is 1 second then I need to change the x axle interval to 10 sencond or 30 second ,so that the dynamic chart can see more
longer in a chart.
but I don’t know whay method useful?

You might find this thread helpful: https://vaadin.com/forum/thread/17034465/chart-setting-x-axis-date-data