import { WonderlandEngine } from "@wonderlandengine/api";
import { CharacterCollisionSystem } from "./character_collision_system.js";
export declare function getCharacterCollisionSystem(engine?: Readonly<WonderlandEngine> | null): CharacterCollisionSystem | null;
export declare function setCharacterCollisionSystem(characterCollisionSystem: CharacterCollisionSystem, engine?: Readonly<WonderlandEngine> | null): void;
export declare function removeCharacterCollisionSystem(engine?: Readonly<WonderlandEngine> | null): void;
export declare function hasCharacterCollisionSystem(engine?: Readonly<WonderlandEngine> | null): boolean;