import { WonderlandEngine } from "@wonderlandengine/api";
import { ObjectPoolManager } from "./object_pool_manager.js";
export declare function getObjectPoolManager(engine?: Readonly<WonderlandEngine> | null): ObjectPoolManager | null;
export declare function setObjectPoolManager(objectPoolManager: ObjectPoolManager, engine?: Readonly<WonderlandEngine> | null): void;
export declare function removeObjectPoolManager(engine?: Readonly<WonderlandEngine> | null): void;
export declare function hasObjectPoolManager(engine?: Readonly<WonderlandEngine> | null): boolean;