API ref: the relationship between the records buckets isn't quite clear--what if paging to the 20th record, and you have 21 buckets, does that return 20 buckets?

the relationship between the records buckets isn't quite clear--what if paging to the 20th record, and you have 21 buckets, does that return 20 buckets?

_Originally posted by @kelseiv in https://github.com/influxdata/docs-v2/pull/4411#discussion_r962174733_