export interface Promo {
  id: number;
  event_id: number;
  ticket_type_id: number | null;
  ticket_phase_id: number | null;
  code: string;
  discount_percentage: number;
  quota: number | null;
  used?: number;
  start_date: string;
  end_date: string;
  is_active: boolean;
}

export interface Voucher {
  id: number;
  event_id: number;
  ticket_type_id: number | null;
  ticket_phase_id: number | null;
  code: string;
  discount_amount: string;
  quota: number | null;
  used?: number;
  start_date: string;
  end_date: string;
  is_active: boolean;
}