import { System } from "./System";
import { Component } from "../Component";
import { Engine } from "../Engine";
export declare class SpriteSystem extends System {
    protected static _engineRef: Engine;
    protected static get engine(): Engine;
    protected static set engine(engine: Engine);
    static destroy(_component: Component): void;
    static onAwake(_component: Component): void;
    static onStep(_dt: number, _component: Component): void;
    static onDestroy(_component: Component): void;
    static onEnable(_component: Component): void;
    static onDisable(_component: Component): void;
}