import type { Ray } from '@galacean/effects-math/es/core/ray';
import * as spec from '@galacean/effects-specification';
import type { CompositionHitTestOptions } from '../composition';
import type { Region, TrackAsset } from '../plugins';
import { VFXItem } from '../vfx-item';
import { Component } from './component';
export interface SceneBinding {
    key: TrackAsset;
    value: VFXItem;
}
export interface SceneBindingData {
    key: spec.DataPath;
    value: spec.DataPath;
}
/**
 * @since 2.0.0
 */
export declare class CompositionComponent extends Component {
    time: number;
    items: VFXItem[];
    private reusable;
    private sceneBindings;
    private timelineAsset;
    private timelineInstance;
    onStart(): void;
    getReusable(): boolean;
    pause(): void;
    resume(): void;
    onUpdate(dt: number): void;
    onEnable(): void;
    onDisable(): void;
    onDestroy(): void;
    hitTest(ray: Ray, x: number, y: number, regions: Region[], force?: boolean, options?: CompositionHitTestOptions): boolean;
    private hitTestRecursive;
    fromData(data: any): void;
}