{ Parsed from AVFoundation.framework AVMetadataFormat.h }

{$ifdef EXTERNAL_SYMBOLS}
var
  AVMetadataKeySpaceCommon: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyTitle: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyCreator: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeySubject: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyDescription: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyPublisher: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyContributor: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyCreationDate: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyLastModifiedDate: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyType: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyFormat: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyIdentifier: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeySource: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyLanguage: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyRelation: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyLocation: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyCopyrights: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyAlbumName: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyAuthor: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyArtist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyArtwork: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyMake: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeyModel: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataCommonKeySoftware: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataFormatQuickTimeUserData: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataKeySpaceQuickTimeUserData: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyAlbum: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyArranger: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyArtist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyAuthor: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyChapter: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyComment: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyComposer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyCopyright: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyCreationDate: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyDescription: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyDirector: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyDisclaimer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyEncodedBy: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyFullName: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyGenre: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyHostComputer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyInformation: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyKeywords: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyMake: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyModel: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyOriginalArtist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyOriginalFormat: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyOriginalSource: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyPerformers: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyProducer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyPublisher: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyProduct: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeySoftware: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeySpecialPlaybackRequirements: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyTrack: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyWarning: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyWriter: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyURLLink: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyLocationISO6709: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyTrackName: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyCredits: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyPhonogramRights: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeUserDataKeyTaggedCharacteristic: NSString { available in 10_8, 5_0 }; cvar; external;
  AVMetadataFormatISOUserData: NSString { available in 10_9, 7_0 }; cvar; external;
  AVMetadataKeySpaceISOUserData: NSString { available in 10_9, 7_0 }; cvar; external;
  AVMetadataISOUserDataKeyCopyright: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataISOUserDataKeyTaggedCharacteristic: NSString { available in 10_10, 8_0 }; cvar; external;
  AVMetadata3GPUserDataKeyCopyright: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadata3GPUserDataKeyAuthor: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadata3GPUserDataKeyPerformer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadata3GPUserDataKeyGenre: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadata3GPUserDataKeyRecordingYear: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadata3GPUserDataKeyLocation: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadata3GPUserDataKeyTitle: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadata3GPUserDataKeyDescription: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadata3GPUserDataKeyCollection: NSString { available in 10_9, 7_0 }; cvar; external;
  AVMetadata3GPUserDataKeyUserRating: NSString { available in 10_9, 7_0 }; cvar; external;
  AVMetadata3GPUserDataKeyThumbnail: NSString { available in 10_9, 7_0 }; cvar; external;
  AVMetadata3GPUserDataKeyAlbumAndTrack: NSString { available in 10_9, 7_0 }; cvar; external;
  AVMetadata3GPUserDataKeyKeywordList: NSString { available in 10_9, 7_0 }; cvar; external;
  AVMetadata3GPUserDataKeyMediaClassification: NSString { available in 10_9, 7_0 }; cvar; external;
  AVMetadata3GPUserDataKeyMediaRating: NSString { available in 10_9, 7_0 }; cvar; external;
  AVMetadataFormatQuickTimeMetadata: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataKeySpaceQuickTimeMetadata: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyAuthor: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyComment: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyCopyright: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyCreationDate: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyDirector: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyDisplayName: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyInformation: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyKeywords: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyProducer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyPublisher: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyAlbum: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyArtist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyArtwork: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyDescription: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeySoftware: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyYear: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyGenre: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyiXML: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyLocationISO6709: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyMake: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyModel: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyArranger: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyEncodedBy: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyOriginalArtist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyPerformer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyComposer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyCredits: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyPhonogramRights: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyCameraIdentifier: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyCameraFrameReadoutTime: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyTitle: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyCollectionUser: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyRatingUser: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyLocationName: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyLocationBody: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyLocationNote: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyLocationRole: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyLocationDate: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyDirectionFacing: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataQuickTimeMetadataKeyDirectionMotion: NSString { available in 10_7, 4_3 }; cvar; external;
  AVMetadataFormatiTunesMetadata: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataKeySpaceiTunes: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyAlbum: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyArtist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyUserComment: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyCoverArt: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyCopyright: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyReleaseDate: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyEncodedBy: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyPredefinedGenre: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyUserGenre: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeySongName: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyTrackSubTitle: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyEncodingTool: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyComposer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyAlbumArtist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyAccountKind: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyAppleID: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyArtistID: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeySongID: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyDiscCompilation: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyDiscNumber: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyGenreID: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyGrouping: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyPlaylistID: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyContentRating: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyBeatsPerMin: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyTrackNumber: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyArtDirector: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyArranger: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyAuthor: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyLyrics: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyAcknowledgement: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyConductor: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyDescription: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyDirector: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyEQ: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyLinerNotes: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyRecordCompany: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyOriginalArtist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyPhonogramRights: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyProducer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyPerformer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyPublisher: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeySoundEngineer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeySoloist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyCredits: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyThanks: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyOnlineExtras: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataiTunesMetadataKeyExecProducer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataFormatID3Metadata: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataKeySpaceID3: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyAudioEncryption: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyAttachedPicture: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyAudioSeekPointIndex: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyComments: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyCommerical: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyEncryption: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyEqualization: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyEqualization2: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyEventTimingCodes: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyGeneralEncapsulatedObject: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyGroupIdentifier: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyInvolvedPeopleList_v23: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyLink: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyMusicCDIdentifier: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyMPEGLocationLookupTable: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOwnership: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyPrivate: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyPlayCounter: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyPopularimeter: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyPositionSynchronization: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyRecommendedBufferSize: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyRelativeVolumeAdjustment: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyRelativeVolumeAdjustment2: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyReverb: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeySeek: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeySignature: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeySynchronizedLyric: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeySynchronizedTempoCodes: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyAlbumTitle: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyBeatsPerMinute: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyComposer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyContentType: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyCopyright: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyDate: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyEncodingTime: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyPlaylistDelay: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOriginalReleaseTime: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyRecordingTime: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyReleaseTime: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyTaggingTime: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyEncodedBy: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyLyricist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyFileType: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyTime: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyInvolvedPeopleList_v24: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyContentGroupDescription: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyTitleDescription: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeySubTitle: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyInitialKey: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyLanguage: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyLength: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyMusicianCreditsList: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyMediaType: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyMood: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOriginalAlbumTitle: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOriginalFilename: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOriginalLyricist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOriginalArtist: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOriginalReleaseYear: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyFileOwner: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyLeadPerformer: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyBand: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyConductor: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyModifiedBy: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyPartOfASet: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyProducedNotice: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyPublisher: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyTrackNumber: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyRecordingDates: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyInternetRadioStationName: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyInternetRadioStationOwner: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeySize: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyAlbumSortOrder: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyPerformerSortOrder: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyTitleSortOrder: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyInternationalStandardRecordingCode: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyEncodedWith: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeySetSubtitle: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyYear: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyUserText: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyUniqueFileIdentifier: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyTermsOfUse: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyUnsynchronizedLyric: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyCommercialInformation: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyCopyrightInformation: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOfficialAudioFileWebpage: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOfficialArtistWebpage: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOfficialAudioSourceWebpage: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOfficialInternetRadioStationHomepage: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyPayment: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyOfficialPublisherWebpage: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataID3MetadataKeyUserURL: NSString { available in 10_7, 4_0 }; cvar; external;
  AVMetadataKeySpaceIcy: NSString { available in 10_10, 8_0 }; cvar; external;
  AVMetadataIcyMetadataKeyStreamTitle: NSString { available in 10_10, 8_0 }; cvar; external;
  AVMetadataIcyMetadataKeyStreamURL: NSString { available in 10_10, 8_0 }; cvar; external;
  AVMetadataFormatHLSMetadata: NSString { available in 10_10, 8_0 }; cvar; external;
  AVMetadataExtraAttributeValueURIKey: NSString { available in 10_10, 8_0 }; cvar; external;
  AVMetadataExtraAttributeBaseURIKey: NSString { available in 10_10, 8_0 }; cvar; external;
{$endif}

