@interface ASALevelControl : ASAControl @property (nonatomic) float scalarValue; @property (nonatomic) float decibelValue; @property (readonly, nonatomic) float minimumDecibelValue; @property (readonly, nonatomic) float maximumDecibelValue; @property (readonly, nonatomic) struct AudioValueRange { double x0; double x1; } decibelRange; - (id)diagnosticDescriptionWithIndent:(id)a0 walkTree:(BOOL)a1; - (void)setScalarValue:(float)a0; - (float)decibelFromScalar:(float)a0; - (float)decibelValue; - (float)maximumDecibelValue; - (float)minimumDecibelValue; - (float)scalarFromDecibel:(float)a0; - (float)scalarValue; - (void)setDecibelValue:(float)a0; - (id)coreAudioClassName; - (struct AudioValueRange { double x0; double x1; })decibelRange; @end