import { type GLTF } from 'three/addons/loaders/GLTFLoader.js';
export declare function acquireAsset(url: string): Promise<{
    value: GLTF;
    release(): void;
}>;
export declare function assetCacheMetrics(): {
    entries: number;
    limit: number;
    activeReaders: number;
    requests: number;
    hits: number;
    loadMs: number;
};
export declare function clearAssetCache(): void;
