@interface HUNoiseUtilities : NSObject + (double)attenuationFor298WithExposure:(double)a0 andListeningState:(long long)a1; + (double)attenuationFor515WithExposure:(double)a0 andListeningState:(long long)a1; + (double)attenuationFor698WithExposure:(double)a0 andListeningState:(long long)a1; + (double)attenuationForExposure:(double)a0 deviceType:(long long)a1 andListeningState:(long long)a2; @end