DashAdaptationSet
data class DashAdaptationSet(val contentType: String?, val mimeType: String?, val segmentTemplate: DashSegmentTemplate?, val representations: List<DashRepresentation>, val lang: String? = null, val id: String? = null, val label: String? = null, val roles: List<String> = emptyList(), val contentProtectionSchemes: List<String> = emptyList())
One AdaptationSet: the interchangeable representations of one kind of content.