declare namespace pc {

    /*
    * @name pc.LightComponentSystem
    * @description Create a new LightComponentSystem.
    * @class A Light Component is used to dynamically light the scene.
    * @param {pc.Application} app The application.
    * @extends pc.ComponentSystem
    */
    class LightComponentSystem extends pc.ComponentSystem {
        constructor(app: pc.Application)
    }
}