import type { IUSDExporterExtension } from "../../Extension.js";
import type { USDObject, USDWriter, USDZExporterContext } from "../../ThreeUSDZExporter.js";
import { type BehaviorModel } from "./BehavioursBuilder.js";
export interface UsdzBehaviour {
    createBehaviours?(ext: BehaviorExtension, model: USDObject, context: USDZExporterContext): void;
    beforeCreateDocument?(ext: BehaviorExtension, context: USDZExporterContext): void | Promise<void>;
    afterCreateDocument?(ext: BehaviorExtension, context: USDZExporterContext): void | Promise<void>;
    afterSerialize?(ext: BehaviorExtension, context: USDZExporterContext): void;
}
/** internal USDZ behaviours extension */
export declare class BehaviorExtension implements IUSDExporterExtension {
    get extensionName(): string;
    private behaviours;
    addBehavior(beh: BehaviorModel): void;
    /** Register audio clip for USDZ export. The clip will be embedded in the resulting file. */
    addAudioClip(clipUrl: string): string;
    behaviourComponents: Array<UsdzBehaviour>;
    private behaviourComponentsCopy;
    private audioClips;
    private audioClipsCopy;
    private targetUuids;
    getAllTargetUuids(): Set<string>;
    onBeforeBuildDocument(context: USDZExporterContext): Promise<void> | Promise<any[]>;
    onExportObject(_object: any, model: USDObject, context: any): void;
    onAfterBuildDocument(context: USDZExporterContext): void;
    onAfterHierarchy(context: USDZExporterContext, writer: USDWriter): void;
    onAfterSerialize(context: USDZExporterContext): Promise<void>;
}