0.1 28 February, 2000 NSArchiver Foundation/NSArchiver.h NSObject archiveRootObject: rootObject archivedDataWithRootObject: rootObject archiverData classNameEncodedForTrueClassName: trueName encodeClassName: trueName intoClassName: inArchiveName encodeConditionalObject: object encodeRootObject: rootObject initForWritingWithMutableData: data replaceObject: object withObject: newObject