import { Object3D } from "three";
import { Behaviour } from "../../Component.js";
import type { IUSDExporterExtension } from "./Extension.js";
/**
 * Custom branding for the QuickLook overlay, used by {@link USDZExporter}.
 */
export declare class CustomBranding {
    /** The call to action button text. If not set, the button will close the QuickLook overlay. */
    callToAction?: string;
    /** The title of the overlay. */
    checkoutTitle?: string;
    /** The subtitle of the overlay. */
    checkoutSubtitle?: string;
    /** if assigned the call to action button in quicklook will open the URL. Otherwise it will just close quicklook. */
    callToActionURL?: string;
}
/**
 * Exports the current scene or a specific object as USDZ file and opens it in QuickLook on iOS/iPadOS/visionOS.
 * The USDZ file is generated using the Needle Engine ThreeUSDZExporter.
 * The exporter supports various extensions to add custom behaviors and interactions to the USDZ file.
 * The exporter can automatically collect Animations and AudioSources and export them as playing at the start.
 * The exporter can also add a custom QuickLook overlay with a call to action button and custom branding.
 * @example
 * ```typescript
 * const usdz = new USDZExporter();
 * usdz.objectToExport = myObject;
 * usdz.autoExportAnimations = true;
 * usdz.autoExportAudioSources = true;
 * usdz.exportAsync();
 * ```
 * @category XR
 * @group Components
 */
export declare class USDZExporter extends Behaviour {
    /**
     * Assign the object to export as USDZ file. If undefined or null, the whole scene will be exported.
     */
    objectToExport: Object3D | null | undefined;
    /** Collect all Animations/Animators automatically on export and emit them as playing at the start.
     * Animator state chains and loops will automatically be collected and exported in order as well.
     * If this setting is off, Animators need to be registered by components – for example from PlayAnimationOnClick.
    */
    autoExportAnimations: boolean;
    /** Collect all AudioSources automatically on export and emit them as playing at the start.
     * They will loop according to their settings.
     * If this setting is off, Audio Sources need to be registered by components – for example from PlayAudioOnClick.
    */
    autoExportAudioSources: boolean;
    exportFileName: string | null | undefined;
    customUsdzFile: string | null | undefined;
    customBranding?: CustomBranding;
    anchoringType: "plane" | "image" | "face" | "none";
    maxTextureSize: 256 | 512 | 1024 | 2048 | 4096 | 8192;
    planeAnchoringAlignment: "horizontal" | "vertical" | "any";
    /** Enabling this option will export QuickLook-specific preliminary behaviours along with the USDZ files.
     * These extensions are only supported on QuickLook on iOS/visionOS/MacOS.
     * Keep this option off for general USDZ usage.
     */
    interactive: boolean;
    /** Enabling this option will export the USDZ file with RealityKit physics components.
     * Rigidbody and Collider components will be converted to their RealityKit counterparts.
     * Physics are supported on QuickLook in iOS 18+ and VisionOS 1+.
     * Physics export is automatically turned off when there are no Rigidbody components anywhere on the exported object.
     */
    physics: boolean;
    allowCreateQuicklookButton: boolean;
    quickLookCompatible: boolean;
    /**
     * Extensions to add custom behaviors and interactions to the USDZ file.
     * You can add your own extensions here by extending {@link IUSDExporterExtension}.
     */
    extensions: IUSDExporterExtension[];
    private link;
    private button?;
    /** @internal */
    start(): void;
    /** @internal */
    onEnable(): void;
    /** @internal */
    onDisable(): void;
    private onClickedOpenInARElement;
    /**
     * Creates an USDZ file from the current scene or assigned objectToExport and opens it in QuickLook.
     * Use the various public properties of USDZExporter to customize export behaviour.
     * @deprecated use {@link exportAndOpen} instead
     */
    exportAsync(): Promise<Blob | null>;
    /**
     * Creates an USDZ file from the current scene or assigned objectToExport and opens it in QuickLook.
     * @returns a Promise<Blob> containing the USDZ file
     */
    exportAndOpen(): Promise<Blob | null>;
    /**
     * Creates an USDZ file from the current scene or assigned objectToExport and opens it in QuickLook.
     * @returns a Promise<Blob> containing the USDZ file
     */
    export(objectToExport: Object3D | undefined): Promise<Blob | null>;
    private readonly _currentExportTasks;
    private _previousTimeScale;
    private internalExport;
    /**
     * Opens QuickLook on iOS/iPadOS/visionOS with the given content in AR mode.
     * @param content The URL to the .usdz or .reality file or a blob containing an USDZ file.
     * @param name Download filename
     */
    openInQuickLook(content: Blob | string, name: string): void;
    /**
     * Downloads the given blob as a file.
     */
    download(blob: Blob, name: string): void;
    private static save;
    private lastCallback?;
    private quicklookCallback;
    private buildQuicklookOverlay;
    private static invertForwardMatrix;
    private static invertForwardQuaternion;
    private _rootSessionRootWasAppliedTo;
    private _rootPositionBeforeExport;
    private _rootRotationBeforeExport;
    private _rootScaleBeforeExport;
    getARScaleAndTarget(): {
        scale: number;
        _invertForward: boolean;
        target: Object3D;
        sessionRoot: Object3D | null;
    };
    private applyWebARSessionRoot;
    private revertWebARSessionRoot;
    private createQuicklookButton;
}