export declare enum AudioEngineMuteMode {
    Unknown = -1,
    VoiceProcessing = 0,
    RestartEngine = 1,
    InputMixer = 2
}
export interface AudioEngineAvailability {
    isInputAvailable: boolean;
    isOutputAvailable: boolean;
}
export declare const AudioEngineAvailability: {
    readonly default: {
        readonly isInputAvailable: true;
        readonly isOutputAvailable: true;
    };
    readonly none: {
        readonly isInputAvailable: false;
        readonly isOutputAvailable: false;
    };
};
/**
 * Audio Device Module API for controlling audio devices and settings.
 * iOS/macOS only - will throw on Android.
 */
export declare class AudioDeviceModule {
    /**
     * Start audio playback
     */
    static startPlayout(): Promise<void>;
    /**
     * Stop audio playback
     */
    static stopPlayout(): Promise<void>;
    /**
     * Start audio recording
     */
    static startRecording(): Promise<void>;
    /**
     * Stop audio recording
     */
    static stopRecording(): Promise<void>;
    /**
     * Initialize and start local audio recording (calls initAndStartRecording)
     */
    static startLocalRecording(): Promise<void>;
    /**
     * Stop local audio recording
     */
    static stopLocalRecording(): Promise<void>;
    /**
     * Mute or unmute the microphone
     */
    static setMicrophoneMuted(muted: boolean): Promise<void>;
    /**
     * Check if microphone is currently muted
     */
    static isMicrophoneMuted(): boolean;
    /**
     * Enable or disable voice processing (requires engine restart)
     */
    static setVoiceProcessingEnabled(enabled: boolean): Promise<void>;
    /**
     * Check if voice processing is enabled
     */
    static isVoiceProcessingEnabled(): boolean;
    /**
     * Temporarily bypass voice processing without restarting the engine
     */
    static setVoiceProcessingBypassed(bypassed: boolean): void;
    /**
     * Check if voice processing is currently bypassed
     */
    static isVoiceProcessingBypassed(): boolean;
    /**
     * Enable or disable Automatic Gain Control (AGC)
     */
    static setVoiceProcessingAGCEnabled(enabled: boolean): void;
    /**
     * Check if AGC is enabled
     */
    static isVoiceProcessingAGCEnabled(): boolean;
    /**
     * Check if audio is currently playing
     */
    static isPlaying(): boolean;
    /**
     * Check if audio is currently recording
     */
    static isRecording(): boolean;
    /**
     * Check if the audio engine is running
     */
    static isEngineRunning(): boolean;
    /**
     * Set the microphone mute mode
     */
    static setMuteMode(mode: AudioEngineMuteMode): Promise<void>;
    /**
     * Get the current mute mode
     */
    static getMuteMode(): AudioEngineMuteMode;
    /**
     * Enable or disable advanced audio ducking
     */
    static setAdvancedDuckingEnabled(enabled: boolean): void;
    /**
     * Check if advanced ducking is enabled
     */
    static isAdvancedDuckingEnabled(): boolean;
    /**
     * Set the audio ducking level (0-100)
     */
    static setDuckingLevel(level: number): void;
    /**
     * Get the current ducking level
     */
    static getDuckingLevel(): number;
    /**
     * Check if recording always prepared mode is enabled
     */
    static isRecordingAlwaysPreparedMode(): boolean;
    /**
     * Enable or disable recording always prepared mode
     */
    static setRecordingAlwaysPreparedMode(enabled: boolean): Promise<void>;
    /**
     * Get the current engine availability (input/output availability)
     */
    static getEngineAvailability(): AudioEngineAvailability;
    /**
     * Set the engine availability (input/output availability)
     */
    static setEngineAvailability(availability: AudioEngineAvailability): Promise<void>;
}