--- /dev/null
+/*
+ * Generated by class-dump 3.1.2.
+ *
+ * class-dump is Copyright (C) 1997-1998, 2000-2001, 2004-2007 by Steve Nygard.
+ */
+
+#import "NSObject.h"
+
+@interface AVSystemController : NSObject
+{
+ struct AVSystemControllerPrivate *_priv;
+}
+
++ (void)initialize;
++ (id)sharedAVSystemController;
+- (id)init;
+- (void)dealloc;
+- (BOOL)changeActiveCategoryVolumeBy:(float)fp8 fallbackCategory:(id)fp12 resultVolume:(float *)fp16 affectedCategory:(id *)fp20;
+- (BOOL)changeActiveCategoryVolumeBy:(float)fp8;
+- (BOOL)setActiveCategoryVolumeTo:(float)fp8 fallbackCategory:(id)fp12 resultVolume:(float *)fp16 affectedCategory:(id *)fp20;
+- (BOOL)setActiveCategoryVolumeTo:(float)fp8;
+- (BOOL)getActiveCategoryVolume:(float *)fp8 andName:(id *)fp12 fallbackCategory:(id)fp16;
+- (BOOL)getActiveCategoryVolume:(float *)fp8 andName:(id *)fp12;
+- (BOOL)changeActiveCategoryVolumeBy:(float)fp8 forRoute:(id)fp12 andDeviceIdentifier:(id)fp16;
+- (BOOL)setActiveCategoryVolumeTo:(float)fp8 forRoute:(id)fp12 andDeviceIdentifier:(id)fp16;
+- (BOOL)activeCategoryVolumeDidChangeTo:(float)fp8 forRoute:(id)fp12 andDeviceIdentifier:(id)fp16;
+- (BOOL)getActiveCategoryVolume:(float *)fp8 andName:(id *)fp12 forRoute:(id)fp16 andDeviceIdentifier:(id)fp20;
+- (BOOL)toggleActiveCategoryMuted;
+- (BOOL)toggleActiveCategoryMutedForRoute:(id)fp8 andDeviceIdentifier:(id)fp12;
+- (BOOL)getActiveCategoryMuted:(char *)fp8;
+- (BOOL)getActiveCategoryMuted:(char *)fp8 forRoute:(id)fp12 andDeviceIdentifier:(id)fp16;
+- (BOOL)changeVolumeBy:(float)fp8 forCategory:(id)fp12;
+- (BOOL)setVolumeTo:(float)fp8 forCategory:(id)fp12;
+- (BOOL)getVolume:(float *)fp8 forCategory:(id)fp12;
+- (id)routeForCategory:(id)fp8;
+- (id)attributeForKey:(id)fp8;
+- (BOOL)setAttribute:(id)fp8 forKey:(id)fp12 error:(id *)fp16;
+- (void)makeError:(id *)fp8 withDescription:(id)fp12 code:(long)fp16;
+- (BOOL)okToNotifyFromThisThread;
+- (void)handleServerDied;
+
+@end
+