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public struct CloudKitRecordSystemFields {
    
    private let metaRecord: CKRecord

    public var recordID: CKRecord.ID {
        metaRecord.recordID
    }
    
    public var recordType: CKRecord.RecordType {
        metaRecord.recordType
    }
    
    public var creationDate: Date? {
        metaRecord.creationDate
    }
    
    public var creatorUserRecordID: CKRecord.ID? {
        metaRecord.creatorUserRecordID
    }
    
    public var modificationDate: Date? {
        metaRecord.modificationDate
    }
    
    public var lastModifiedUserRecordID: CKRecord.ID? {
        metaRecord.lastModifiedUserRecordID
    }
    
    public var recordChangeTag: String? {
        metaRecord.recordChangeTag
    }
    
    public init(record: CKRecord) {
        self.metaRecord = record
    }
}

extension CloudKitRecordSystemFields {

    // Discussion: Static factory, convenience initializers, or both?
    
    public init(coder: NSCoder) {
        guard let metaRecord = CKRecord(coder: coder) else {
            // NOTE: Might have to use generics to infer recordType if coder initializer of the metaRecord fails if returning a default value instead of throw or nil
            fatalError()
        }
        
        self.metaRecord = metaRecord
    }
    
    public static from(coder: NSCoder) -> CloudKitRecordSystemFields {
        // TODO: Implement this signature
        fatalError()
    }
    
    public init(data: Data) {
        // TODO: Implement this signature
        fatalError()
    }
    
    public static func from(data: Data) -> CloudKitRecordSystemFields {
        // TODO: Implement this signature
        fatalError()
    }
}