import AbstractPaymentsDatabase from '../AbstractPaymentsDatabase';
import EngineSqlite from './EngineSqlite';
import ChannelId from '../../ChannelId';
import Payment from '../../payment';
export default class SqlitePaymentsDatabase extends AbstractPaymentsDatabase<EngineSqlite> {
    save(token: string, payment: Payment): Promise<void>;
    firstMaximum(channelId: ChannelId | string): Promise<Payment | null>;
    findByToken(token: string): Promise<Payment | null>;
}