/// <reference types="node" />
import Accounts from '../services/accounts';
import { AccountInfo } from '../types/accounts';
import * as IlpPacket from 'ilp-packet';
export interface SubmitPaymentParams {
    sourceAccount: string;
    destinationAccount: string;
    sourceAmount: string;
    destinationAmount: string;
    parsedPacket?: IlpPacket.IlpPrepare;
    result?: Buffer;
}
export interface BackendServices {
    getInfo: (accountId: string) => AccountInfo | undefined;
    accounts?: Accounts;
}
export interface BackendConstructor {
    new (options: object, api: BackendServices): BackendInstance;
}
export interface BackendInstance {
    connect(): Promise<void>;
    getRate(sourceAccount: string, destinationAccount: string): Promise<number>;
    submitPayment(params: SubmitPaymentParams): Promise<void>;
    submitPacket?(params: SubmitPaymentParams): Promise<void>;
}