import { Destroyable } from "xbsj-renderer/dist-node/xr-base-utils";
import { ESViewer } from "./ESViewer";
export declare class SyncEventResetting extends Destroyable {
    private _viewer;
    private _activeViewer;
    constructor(_viewer: ESViewer, _activeViewer: ESViewer);
}
export declare class TimeSyncEventResetting extends Destroyable {
    private _viewer;
    constructor(_viewer: ESViewer);
}