type QuantityErrorType =
  | "MinQuantity"
  | "MaxQuantity"
  | "Stock"
  | "MultipleQuantity";
export class ItemQuantityError extends Error {
  public readonly newQuantity: number;
  public readonly type: QuantityErrorType;
  constructor(message: string, quantity: number, type: QuantityErrorType) {
    super(message);
    this.newQuantity = quantity;
    this.type = type;
  }
}