These are core options and API properties for all header groups. More options and API properties may be available for other table features.
All header group objects have the following properties:
id: stringid: stringThe unique identifier for the header group.
depth: numberdepth: numberThe depth of the header group, zero-indexed based.
type headers = Header<TData>[]type headers = Header<TData>[]An array of Header objects that belong to this header group