@class NSString, NSMutableData; @interface ICSZStringWriter : NSObject <ICSAppendable> { struct z_stream_s { char *next_in; unsigned int avail_in; unsigned long long total_in; char *next_out; unsigned int avail_out; unsigned long long total_out; char *msg; struct internal_state *state; void /* function */ *zalloc; void /* function */ *zfree; void *opaque; int data_type; unsigned long long adler; unsigned long long reserved; } _strm; NSMutableData *_result; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)appendString:(id)a0; - (void).cxx_destruct; - (void)appendFormat:(id)a0; - (id)zResult; - (void)_appendBytes:(const void *)a0 length:(unsigned long long)a1 andFlush:(BOOL)a2; @end