Values.HighlightSourceIndicates the starting and ending index of the text query that match the found title.
type nonrec t = {startIndex : HighlightStartIndexInteger.t option;Start index of the highlight.
*)endIndex : HighlightEndIndexInteger.t option;End index of the highlight.
*)value : HighlightValueString.t option;The highlight's value.
*)}val to_value :
t ->
[> `Structure of
(string
* [> `Integer of HighlightStartIndexInteger.t
| `String of HighlightValueString.t ])
list ]