export namespace SystemNames {
  export const Render = "Render";
  export const Input = "Input";
  export const FacingDirection = "FacingDirection";
  export const Grid = "Grid";
  export const GridSpawner = "GridSpawner";
  export const Collision = "Collision";
  export const Life = "Life";
  export const Music = "Music";
  export const Level = "Level";
  export const Modal = "Modal";
}