text: 'use strict';
  
  const MIN_VELOCITY = 10;
  const MAX_VELOCITY = 25;
  const ACCELERATION = 0.5;
  const CHARACTER_SIZE = 50;
  const FIRE_RATE = 150;
  const MAX_AMMO = 50;
  const SERVER_PORT = '8181';
  const STAGE_WIDTH = 1300;
  const STAGE_HEIGHT = 844;
  const SHIELD_MAX_DAMAGE = 10;
  const ROTATE_LEFT = -2;
  const ROTATE_RIGHT = +2;
  
  module.exports = {
    MIN_VELOCITY,
    MAX_VELOCITY,
    ACCELERATION,
    CHARACTER_SIZE,
    FIRE_RATE,
    MAX_AMMO,
    SERVER_PORT,
    STAGE_WIDTH,
    STAGE_HEIGHT,
    SHIELD_MAX_DAMAGE,
    ROTATE_LEFT,
    ROTATE_RIGHT
  };
  