declare namespace pc {

    /**
     * @name pc.ScreenComponentSystem
     * @description Create a new ScreenComponentSystem
     * @class Manages creation of {@link pc.ScreenComponent}s.
     * @param {pc.Application} app The application
     * @extends pc.ComponentSystem
     */
    class ScreenComponentSystem extends pc.ComponentSystem {
        constructor(app: pc.Application)
    }
}