@class NSString, TSUStreamCompression; @protocol TSUStreamWriteChannel; @interface TSUCompressionWriteChannel : NSObject <TSUStreamWriteChannel> { id<TSUStreamWriteChannel> _writeChannel; TSUStreamCompression *_compressor; } @property (readonly, nonatomic) BOOL isValid; @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)flushWithCompletion:(id /* block */)a0; - (void).cxx_destruct; - (void)addBarrier:(id /* block */)a0; - (void)setLowWater:(unsigned long long)a0; - (void)writeData:(id)a0 handler:(id /* block */)a1; - (id)initWithWriteChannel:(id)a0 compressionAlgorithm:(int)a1 operation:(int)a2; @end