import { PLVVodMediaPlayerDataMediator } from "../../model/mediator/PLVVodMediaPlayerDataMediator";
import { PLVVodMediaPlayerRepo } from "../../model/PLVVodMediaPlayerRepo";
import { IPLVMediaPlayerPromiseScope } from "../../../common/promise/IPLVMediaPlayerPromiseScope";
import { PLVMediaSubtitle } from "../../../common/model/vo/PLVMediaSubtitle";
export declare class VodUpdateSubtitleUseCase {
    private readonly promiseScope;
    private readonly mediator;
    private readonly repo;
    private observers;
    private readonly subtitleMap;
    constructor(promiseScope: IPLVMediaPlayerPromiseScope, mediator: PLVVodMediaPlayerDataMediator, repo: PLVVodMediaPlayerRepo);
    startUpdateSubtitle(): void;
    setShowSubtitles(subtitles: PLVMediaSubtitle[]): void;
    stopUpdateSubtitle(): void;
    private updateSubtitlesOnVideoJsonChanged;
    private postSubtitleUpdate;
}