@interface SNAudioDataSourceUtilities : NSObject + (id)applyUserDefaultOverridesToAudioConfiguration:(id)a0; + (id)audioQueueConfigurationWithAudioConfiguration:(id)a0; + (id)builtInMicrophoneDeviceUIDForSession:(id)a0; + (id)defaultAudioConfigurationForCurrentHW; + (id)defaultAudioConfigurationForProductType:(int)a0; + (void)enableAlwaysOnAudioRouting:(void *)a0; + (void)setChannelMap:(id)a0 onQueue:(void *)a1 session:(id)a2; - (id)init; @end