Missing documentation about draw method of the chart

[stockiNail]

Using chartjs-plugin-annotation, I came across an example where chart.draw() method was called to redraw the chart/plugins elements.

I was wondering why I didn't implement draw() method in my lib which wraps CHART.JS. Then, I went to CHART.JS Home API doc and I don't find any draw() method. Very similar it seems render().

The question is: is this a missing documentation or the method is not documented for other reasons (maybe you want to remove that page in favor of API sections)?

isDatasetVisible is another missing method in the doc (that it is very helpful, for me at least).