import * as spec from '@galacean/effects-specification';
import type { ColorPlayableAssetData } from '../../animation';
import type { Engine } from '../../engine';
import type { FrameContext } from '../timeline';
import { Playable, PlayableAsset, TrackMixerPlayable, TrackAsset } from '../timeline';
import type { Geometry } from '../../render';
import { MaskableGraphic } from '../../components';
/**
 * 图层元素基础属性, 经过处理后的 spec.SpriteContent.options
 */
export type SpriteItemOptions = {
    startColor: spec.vec4;
    renderLevel?: spec.RenderLevel;
};
export type splitsDataType = [r: number, x: number, y: number, w: number, h: number | undefined][];
export declare class SpriteColorPlayableAsset extends PlayableAsset {
    data: ColorPlayableAssetData;
    createPlayable(): Playable;
    fromData(data: ColorPlayableAssetData): void;
}
export declare class ComponentTimeTrack extends TrackAsset {
    createTrackMixer(): TrackMixerPlayable;
}
export declare class SpriteComponentTimeTrack extends ComponentTimeTrack {
    updateAnimatedObject(boundObject: object): object;
}
export declare class EffectComponentTimeTrack extends ComponentTimeTrack {
    updateAnimatedObject(boundObject: object): object;
}
export declare class ComponentTimePlayableAsset extends PlayableAsset {
    createPlayable(): Playable;
}
export declare class ComponentTimePlayable extends Playable {
    processFrame(context: FrameContext): void;
}
/**
 * Sprite component class
 */
export declare class SpriteComponent extends MaskableGraphic {
    time: number;
    duration: number;
    protected textureSheetAnimation?: spec.TextureSheetAnimation;
    constructor(engine: Engine, props?: spec.SpriteComponentData);
    onUpdate(dt: number): void;
    onDisable(): void;
    onDestroy(): void;
    protected updateGeometry(geometry: Geometry): void;
    /**
     * @deprecated
     * 原有打包纹理拆分逻辑，待移除
     */
    protected updateGeometryFromMultiSplit(): void;
    fromData(data: spec.SpriteComponentData): void;
}