SpeechSDK-1_0-for-iOS Reference Class References AdmRecoOnlyPreferences Contract Conversation DataRecognitionClient DataRecognitionClientWithIntent IntentResult MicrophoneRecognitionClient MicrophoneRecognitionClientWithIntent Preferences RecognitionResult RecognizedPhrase SpeechAudioFormat SpeechRecognitionServiceFactory Protocol References SpeechRecognitionProtocol Constant References AudioCompressionType Confidence RecognitionStatus SpeechClientStatus SpeechLoggingLevel SpeechRecognitionMode