import { type IContainerPlugin } from "@tsparticles/engine";
import type { ThemesContainer } from "./types.js";
export declare class ThemesPluginInstance implements IContainerPlugin {
    #private;
    constructor(container: ThemesContainer);
    init(): Promise<void>;
    manageListeners(add: boolean): void;
    start(): Promise<void>;
    stop(): void;
    updateActualOptions(): boolean;
}