import NativeEvents from '../../utils/NativeEvents';
import type { UnsubscribeFunction } from '../conference/models';
import type { AudioPreviewStatusChangedEventType } from './events';
import type { AudioPreviewStatus, AudioCaptureModeOptions } from './models';
/**
 * The AudioPreview model allows the local participant to test different capture modes and voice fonts before a conference. The model is supported only in SDK 3.10 and later.
 */
export declare class AudioPreview {
    /** @internal */
    _audioPreview: any;
    /** @internal */
    _nativeEvents: NativeEvents;
    /**
     * Gets the recording status.
     */
    status(): Promise<AudioPreviewStatus>;
    /**
     * Gets an audio capture mode for the audio preview.
     */
    getCaptureMode(): Promise<AudioCaptureModeOptions>;
    /**
     * Sets an audio capture mode for the audio preview.
     * @param captureMode
     */
    setCaptureMode(captureMode: AudioCaptureModeOptions): Promise<void>;
    /**
     * Plays back the recorded audio sample. To test how your audio sounds while using different capture modes and voice fonts, set the captureMode to a preferred setting before using the method.
     * @param loop A boolean that indicates wether the SDK should play the recorded audio in a loop.
     */
    play(loop: boolean): Promise<void>;
    /**
     * Starts recording an audio sample if no recording is in progress.
     * @param duration - The preferred recording duration, in seconds.
     */
    record(duration: number): Promise<void>;
    /**
     * Stops recording or playing an audio sample.
     */
    stop(): Promise<boolean>;
    /**
     * Releases the internal memory and restarts the audio session configuration.
     */
    release(): Promise<void>;
    onStatusChanged(handler: (data: AudioPreviewStatusChangedEventType) => void): UnsubscribeFunction;
}
declare const _default: AudioPreview;
export default _default;