I want to create multi header like following image using DetailsList of Fluent UI React.
Then, I found this issue. That seems the same issue as I facing.
According to the issue's answer, I understood that able to use onRenderDetailsHeader.
However, it doesn't describe concrete how to achieve this. So I don't know how to implement it in the onRenderDetailsHeader
Is there any sample code or any helpful information to achieve this?