import { AudioEventSubscription } from '../events';
import { SystemEventCallback, SystemEventName } from '../events/types';
import { AudioDevicesInfo, AudioFocusType, IAudioManager, PermissionStatus, SessionOptions } from './types';
declare class AudioManager implements IAudioManager {
    private readonly audioEventEmitter;
    constructor();
    getDevicePreferredSampleRate(): number;
    setAudioSessionActivity(enabled: boolean): Promise<boolean>;
    setAudioSessionOptions(options: SessionOptions): void;
    disableSessionManagement(): void;
    observeAudioInterruptions(param: AudioFocusType | boolean | null): void;
    /**
     * @param enabled - Whether to actively reclaim the session or not
     * @experimental more aggressively try to reactivate the audio session during interruptions.
     * It is subject to change in the future and might be removed.
     *
     * In some cases (depends on app session settings and other apps using audio) system may never
     * send the `interruption ended` event. This method will check if any other audio is playing
     * and try to reactivate the audio session, as soon as there is "silence".
     * Although this might change the expected behavior.
     *
     * Internally method uses `AVAudioSessionSilenceSecondaryAudioHintNotification` as well as
     * interval polling to check if other audio is playing.
     */
    activelyReclaimSession(enabled: boolean): void;
    observeVolumeChanges(enabled: boolean): void;
    addSystemEventListener<Name extends SystemEventName>(name: Name, callback: SystemEventCallback<Name>): AudioEventSubscription;
    requestRecordingPermissions(): Promise<PermissionStatus>;
    checkRecordingPermissions(): Promise<PermissionStatus>;
    requestNotificationPermissions(): Promise<PermissionStatus>;
    checkNotificationPermissions(): Promise<PermissionStatus>;
    getDevicesInfo(): Promise<AudioDevicesInfo>;
    setInputDevice(deviceId: string): Promise<boolean>;
}
declare const _default: AudioManager;
export default _default;
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