Values.CaptionSelectorSourceCaption Selector
type nonrec t = {languageCode : string option;When specified this field indicates the three letter language code of the caption track to extract from the source.
*)name : string;Name identifier for a caption selector. This name is used to associate this caption selector with one or more caption descriptions. Names must be unique within an event.
*)selectorSettings : CaptionSelectorSettings.t option;Caption selector settings.
*)}