@class NSString; @protocol SFUInputStream; @interface OISFUOffsetInputStream : NSObject { id mInputStream; long long mInitialOffset; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)close; - (void)dealloc; - (void)seekToOffset:(long long)a0; - (long long)offset; - (BOOL)canSeek; - (id)initWithInputStream:(id)a0; - (id)closeLocalStream; - (void)disableSystemCaching; - (void)enableSystemCaching; - (unsigned long long)readToBuffer:(char *)a0 size:(unsigned long long)a1; - (id)initWithInputStream:(id)a0 initialOffset:(long long)a1; @end