AVCaptionGroup An object that represents zero or more captions that intersect in time. Declarationclass AVCaptionGroup TopicsCreating a caption groupinit(timeRange:)init(captions:timeRange:)Inspecting the caption groupcaptionstimeRange RelationshipsInherits FromNSObjectConforms ToAVAssetReaderOutput.SupportedPayloadCVarArgCopyableCustomDebugStringConvertibleCustomStringConvertibleEquatableEscapableHashableNSObjectProtocolSendableSendableMetatype See AlsoGroupsAVCaptionGrouper