import { KalturaObjectMetadata } from '../kaltura-object-base';
import { KalturaRequest, KalturaRequestArgs } from '../kaltura-request';
export interface CaptionAssetServeWebVTTActionArgs extends KalturaRequestArgs {
    captionAssetId: string;
    segmentDuration?: number;
    segmentIndex?: number;
    localTimestamp?: number;
}
/**
 * Build request payload for service 'captionAsset' action 'serveWebVTT'.
 *
 * Usage: Serves caption by its id converting it to segmented WebVTT
 *
 * Server response type:         string
 * Server failure response type: KalturaAPIException
 * @class
 * @extends KalturaRequest
 */
export declare class CaptionAssetServeWebVTTAction extends KalturaRequest<string> {
    captionAssetId: string;
    segmentDuration: number;
    segmentIndex: number;
    localTimestamp: number;
    constructor(data: CaptionAssetServeWebVTTActionArgs);
    protected _getMetadata(): KalturaObjectMetadata;
}