@interface BUIOUtils : NSObject + (struct CGDataProvider { } *)newCGDataProviderForInputStream:(id)a0; + (struct CGDataProvider { } *)newCGDataProviderForReadChannel:(id)a0; + (void)readAllFromChannel:(id)a0 offset:(long long)a1 length:(unsigned long long)a2 completion:(id /* block */)a3; @end