import { Payment } from './index';
import { BillCollection } from '../concerns/billCollection';
import { IPaymentAttributes } from './interface';
/**
 *
 *
 * @export
 * @class PaymentsCollection
 * @extends {BillCollection}
 */
export declare class PaymentsCollection extends BillCollection {
    /**
     *
     *
     * @param {IPaymentAttributes} [attributes={}]
     * @returns {Payment}
     */
    new(attributes?: IPaymentAttributes): Payment;
    /**
     *
     *
     * @returns {number}
     */
    sum(): number;
}