import { tav } from '../tav';
import { Clip } from './tav-clip';
import { MovieClip } from './tav-movie-clip';
import { FakeClip } from './tav-fake-clip';
/**
 * An object that combines and arranges clips into a single composite clip that you can play or
 * process.
 * @category Clips
 */
export declare class Composition extends MovieClip {
    /**
     * Create a new composition with specified size.
     * @param width The width of the composition.
     * @param height The height of the composition.
     * @param contentStartTime The start time of the content of this composition.
     * @param contentDuration The duration of the content of this composition.
     */
    static Make(width: number, height: number, contentStartTime?: number, contentDuration?: number): Promise<Composition>;
    readonly type: string;
    readonly clips: (Composition | Clip)[];
    private fakeClips;
    private lastNoticeUpdateFakeClip;
    private _width;
    private _widthInvalid;
    private _height;
    private _heightInvalid;
    /**
     * Adds a clip to this composition.
     */
    addClip(clip: Clip): void;
    /**
     * Removes a clip from this composition.
     * @param clip
     */
    removeClip(clip: Clip): void;
    hasChildClip(clip: Clip): boolean;
    /**
      * Removes all clips from this composition.
      */
    removeAllClips(): void;
    /**
      * Get all chid clips
      */
    getAllClips(): Clip[];
    /**
      * Make fakeClip from this composition,
      * used to reference a snapshot of this composition in other effects
      */
    MakeFakeClip(): FakeClip;
    /**
      * whether this composition has a fakeClip child that need rebuild
      * @ignore
      */
    hasFakeClipNativeInvalidated(): boolean;
    /**
      * whether fake clips of this composition to rebuild
      * @ignore
      */
    noticeFakeClipsUpdate(noticeClip?: Clip): void;
    /**
      * remove one fake clip from this composition's fake clips
      * @ignore
      */
    removeFakeClip(fakeClip: FakeClip): void;
    /**
     * Release this composition and all clips of this composition.
     */
    release(): void;
    protected createClip(): Promise<tav.Composition> | undefined;
    protected updateClip(composition: tav.Composition): Promise<void>;
    get width(): number;
    set width(w: number);
    get height(): number;
    set height(h: number);
}