import { type GLTF, type GLTFLoaderPlugin, GLTFParser } from "three/examples/jsm/loaders/GLTFLoader.js";
import { type IExtensionReferenceResolver } from "./extension_resolver.js";
export declare const EXTENSION_NAME = "NEEDLE_persistent_assets";
export declare function isPersistentAsset(asset: any): boolean;
export declare class NEEDLE_persistent_assets implements GLTFLoaderPlugin, IExtensionReferenceResolver {
    get name(): string;
    private parser;
    constructor(parser: GLTFParser);
    afterRoot(_result: GLTF): Promise<void>;
    resolve(parser: GLTFParser, path: string): Promise<void> | null | any;
}