import type * as THREE from 'three';
import type { GLTF } from 'three/examples/jsm/loaders/GLTFLoader';
export declare class TextureDeduplicator {
    private hashMap;
    private _hash;
    run(scene: THREE.Object3D): Promise<number>;
    getStats(): {
        uniqueTextures: number;
    };
}
declare class RuntimeModelCache {
    private cache;
    private pending;
    has(url: string): boolean;
    set(url: string, original: THREE.Object3D, parserJson?: Record<string, any>): void;
    clone(url: string): {
        scene: THREE.Object3D;
        parser: Record<string, any>;
    } | null;
    setPending(url: string, p: Promise<void>): void;
    getPending(url: string): Promise<void> | undefined;
    deletePending(url: string): void;
    dispose(url: string): void;
    stats(): {
        cachedModels: number;
    };
}
export declare const runtimeCache: RuntimeModelCache;
export interface LoadGLTFOptions {
    url: string;
    onLoad?: (gltf: GLTF) => void;
    onProgress?: (event: ProgressEvent) => void;
    onError?: (error: any) => void;
    dracoPath?: string;
}
export {};