export declare class PosPurchaseOrder {
    id: number;
    purchase_order_code: string;
    supplier_id: number;
    store_id: number;
    inventory_location_id: number;
    order_date: string;
    total_amount: number;
    status: string;
    created_by_user_id: number;
    approved_by_user_id: number;
    approved_at: Date;
    note: string;
    created_at: Date;
    updated_at: Date;
}