export declare class Billing {
    id: number;
    ipd_id: number;
    opd_id: number;
    date: Date;
    qty: number;
    charge_id: number;
    standard_charge: number;
    tpa_charge: number;
    tax: number;
    apply_charge: number;
    amount: number;
    note: Text;
    patient_id: any;
    created_at: Date;
    Hospital_id: number;
    hos_patient_charges_id: number;
    payment_status: string;
    txn_id: any;
    pg_ref_id: any;
    bank_ref_id: any;
    payment_mode: any;
    payment_date: any;
}