import type * as THREE from 'three';
import type { Disposable } from '../types.js';
/**
 * Keyed material cache: `get(key, factory)` returns the cached material or
 * creates it once — sharing materials across meshes keeps shader programs and
 * uniforms deduplicated. `dispose()` frees every pooled material.
 *
 * @remarks Anything holding a pooled material must not dispose it directly —
 * the pool owns lifetime (see `SceneContext.materials`).
 */
export declare class MaterialPool implements Disposable {
    private readonly cache;
    get<T extends THREE.Material>(key: string, factory: () => T): T;
    has(key: string): boolean;
    get size(): number;
    dispose(): void;
}
//# sourceMappingURL=material-pool.d.ts.map