/// <reference types="node" />
import { EventEmitter } from 'events';
export interface FunctionWithVersion extends Function {
    version?: number;
}
export declare type DataHandler = (data: Buffer) => Promise<Buffer>;
export declare type MoneyHandler = (amount: string) => Promise<void>;
export interface PluginV2 extends EventEmitter {
    constructor: FunctionWithVersion;
    connect: () => Promise<void>;
    disconnect: () => Promise<void>;
    isConnected: () => boolean;
    sendData: DataHandler;
    sendMoney: MoneyHandler;
    registerDataHandler: (handler: DataHandler) => void;
    deregisterDataHandler: () => void;
    registerMoneyHandler: (handler: MoneyHandler) => void;
    deregisterMoneyHandler: () => void;
}