import { WonderlandEngine } from "@wonderlandengine/api";
import { VisualManager } from "./visual_manager.js";
import { VisualResources } from "./visual_resources.js";
export declare function getVisualManager(engine?: Readonly<WonderlandEngine> | null): VisualManager | null;
export declare function setVisualManager(visualManager: VisualManager, engine?: Readonly<WonderlandEngine> | null): void;
export declare function removeVisualManager(engine?: Readonly<WonderlandEngine> | null): void;
export declare function hasVisualManager(engine?: Readonly<WonderlandEngine> | null): boolean;
export declare function getVisualResources(engine?: Readonly<WonderlandEngine> | null): VisualResources | null;
export declare function setVisualResources(visualResources: VisualResources, engine?: Readonly<WonderlandEngine> | null): void;
export declare function removeVisualResources(engine?: Readonly<WonderlandEngine> | null): void;
export declare function hasVisualResources(engine?: Readonly<WonderlandEngine> | null): boolean;