import type { TrackAsset } from './track';
import type { Constructor } from '../../utils';
import type { SceneBinding } from '../../components';
import { EffectsObject } from '../../effects-object';
export declare class TimelineAsset extends EffectsObject {
    tracks: TrackAsset[];
    private cacheFlattenedTracks;
    get flattenedTracks(): TrackAsset[];
    createTrack<T extends TrackAsset>(classConstructor: Constructor<T>, parent: TrackAsset, name?: string): T;
    /**
     * Invalidates the asset, called when tracks data changed
     */
    private invalidate;
    private addSubTracksRecursive;
}
export declare class TimelineInstance {
    private time;
    private clips;
    private masterTrackInstances;
    constructor(timelineAsset: TimelineAsset, sceneBindings: SceneBinding[]);
    setTime(time: number): void;
    getTime(): number;
    evaluate(deltaTime: number): void;
    compileTracks(tracks: TrackAsset[], sceneBindings: SceneBinding[]): void;
    private tickTrack;
    private updateTrackAnimatedObject;
}