import { KalturaObjectMetadata } from '../kaltura-object-base';
import { KalturaLiveFeature, KalturaLiveFeatureArgs } from './KalturaLiveFeature';
export interface KalturaLiveCaptionFeatureArgs extends KalturaLiveFeatureArgs {
    mediaUrl?: string;
    mediaKey?: string;
    captionUrl?: string;
    captionToken?: string;
    inputDelay?: number;
    captionFormat?: string;
    language?: string;
}
export declare class KalturaLiveCaptionFeature extends KalturaLiveFeature {
    mediaUrl: string;
    mediaKey: string;
    captionUrl: string;
    captionToken: string;
    inputDelay: number;
    captionFormat: string;
    language: string;
    constructor(data?: KalturaLiveCaptionFeatureArgs);
    protected _getMetadata(): KalturaObjectMetadata;
}