import "@babylonjs/loaders/glTF";
import { RenderSystem } from "./renderSystem";
import { World } from "@chantey/ecs";
import { EcsSystem } from "./types";
interface iProps {
    renderSystem?: RenderSystem;
    manualUpdate?: boolean;
    world?: World;
}
export declare const createGameSystem: ({ renderSystem, manualUpdate, world }?: iProps) => {
    world: World;
    onStart: import("@chantey/core").iEvent<void>;
    onUpdate: import("@chantey/core").iEvent<void>;
    onStop: import("@chantey/core").iEvent<void>;
    start: (canvas?: HTMLCanvasElement) => void;
    update: () => void;
    stop: () => void;
    addSystem: ({ start, commands, update, stop }: EcsSystem) => void;
    addSystems: (ss: EcsSystem[]) => void;
};
export declare type GameSystem = ReturnType<typeof createGameSystem>;
export {};