`TCaptionSnippet`
pt		SetaudioTrackType
pt		SetfailureReason
pt		SetisAutoSynced
pt		SetisCC
pt		SetisDraft
pt		SetisEasyReader
pt		SetisLarge
pt		Setlanguage
pt		SetlastUpdated
pt		Setname
pt		Setstatus
pt		SettrackKind
pt		SetvideoId

`TGoogleBaseObject`
		AllowAdditionalProperties