export class UserData { public soundVolume = 0; public musicVolume = 0; public game = new GameData(); } export class GameData { public goldCoins = 0; public metaUpgrades = new MetaUpgradesData(); } export class MetaUpgradesData { public maxHpLevel = 0; public overallDamageLevel = 0; public projectilePiercingLevel = 0; public movementSpeedLevel = 0; }