import type { ComfortNoiseLevel } from '../audio/models';
/**
 * The MediaDeviceService allows an application to manage media devices that are used during a conference.
 */
export declare class MediaDeviceService {
    /** @internal */
    _nativeModule: any;
    /**
     * **Note**: This method is deprecated in SDK 3.7 and replaced with the [getComfortNoiseLevel](doc:rn-client-sdk-references-localaudio#getcomfortnoiselevel) method available in the [LocalAudio](doc:rn-client-sdk-references-localaudio) model
     *
     * Retrieves the comfort noise level setting for output devices in Dolby Voice conferences.
     */
    getComfortNoiseLevel(): Promise<ComfortNoiseLevel>;
    /**
     * Checks whether an application uses the front-facing (true) or back-facing camera (false).
     */
    isFrontCamera(): Promise<boolean>;
    /**
     * **Note**: This method is deprecated in SDK 3.7 and replaced with the [setComfortNoiseLevel](doc:rn-client-sdk-references-localaudio#setcomfortnoiselevel) method available in the [LocalAudio](doc:rn-client-sdk-references-localaudio) model.
     *
     * Configures the comfort noise level for output devices in Dolby Voice conferences.
     *
     * @param noiseLevel The selected comfort noise level.
     */
    setComfortNoiseLevel(noiseLevel: ComfortNoiseLevel): Promise<void>;
    /**
     * Switches the current camera to another available camera that is connected to a device.
     * @returns {Promise<void}
     */
    switchCamera(): Promise<void>;
    /**
     * Switches the current speaker to another available speaker that is connected to a device.
     */
    switchSpeaker(): Promise<void>;
}
declare const _default: MediaDeviceService;
export default _default;