AVContentKey An object that represents the content key decryptor. Declarationclass AVContentKey TopicsAccessing the specifiercontentKeySpecifierInspecting protection statusexternalContentProtectionStatusrevoke() RelationshipsInherits FromNSObjectConforms ToCVarArgCustomDebugStringConvertibleCustomStringConvertibleEquatableHashableNSObjectProtocolSendableSendableMetatype See AlsoFairPlay streamingAVContentKeySessionAVContentKeySessionDelegateAVContentKeySpecifierAVContentKeyRequestAVPersistableContentKeyRequestAVContentKeyResponseAVExternalContentProtectionStatusAVSampleBufferAttachContentKey(_:_:_:)