import { PLVAuxiliaryMediaPlayerDataMediator } from "../../model/mediator/PLVAuxiliaryMediaPlayerDataMediator";
import { AuxiliaryCountDownUseCase } from "./AuxiliaryCountDownUseCase";
import { IPLVAuxiliaryBindingBridge } from "../api/IPLVAuxiliaryBindingBridge";
import { MutableEvent } from '@polyvharmony/media-player-foundation';
import { PLVMediaPlayTargetContent } from "../../../common/model/vo/PLVMediaPlayTargetContent";
export declare class AuxiliaryMediaDataSourceUseCase {
    private readonly mediator;
    private readonly countDownUseCase;
    private readonly auxiliaryBindingBridge;
    private outMediaPlayTargetContent;
    private observers;
    constructor(mediator: PLVAuxiliaryMediaPlayerDataMediator, countDownUseCase: AuxiliaryCountDownUseCase, auxiliaryBindingBridge: IPLVAuxiliaryBindingBridge);
    onBind(outMediaPlayTargetContent: MutableEvent<PLVMediaPlayTargetContent>): void;
    onUnbind(): void;
    private onMediaPlayTargetContent;
}