AXMFiHearingDevice A namespace for hearing device accessibility symbols in Swift. Declarationstruct AXMFiHearingDevice TopicsStreaming statusstreamingEar()AXMFiHearingDevice.EarstreamingEarDidChangeNotificationStreaming typesupportsBidirectionalStreaming()Paired hearing devicespairedDeviceIdentifiers()pairedUUIDsDidChangeNotification RelationshipsConforms ToBitwiseCopyable